Fossil

Check-in [96c35627]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:(cherry-pick): Update the built-in SQLite to version 3.28.0.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | branch-2.8
Files: files | file ages | folders
SHA3-256: 96c35627331277f74f0ae62803eefdfcd96f69243a3e061cdb8c19753be50902
User & Date: jan.nijtmans 2019-04-17 22:23:00
Context
2019-04-18
14:06
(cherry-pick): Clean up the detection of BIO_ADDR_hostname_string by removing redundant definitions; apparently autosetup has a feature which automatically creates a define with HAVE_ prepended for whatever function is intended to be detected. check-in: 9ef58dcf user: jan.nijtmans tags: branch-2.8
2019-04-17
22:23
(cherry-pick): Update the built-in SQLite to version 3.28.0. check-in: 96c35627 user: jan.nijtmans tags: branch-2.8
19:22
Update the built-in SQLite to version 3.28.0. check-in: 14db745d user: drh tags: trunk
2019-03-21
23:51
(cherry-pick): Add the "New Era" or "元号" placeholder to the (regexp) Unicode tables. So fossil is ready for the expected japanese May 1 event. See: http://blog.unicode.org/2018/09/new-japanese-era.html check-in: 31aefc3b user: jan.nijtmans tags: branch-2.8
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to auto.def.

124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
    # search for the system SQLite once with -ldl, and once without. If
    # the library can only be found with $extralibs set to -ldl, then
    # the code below will append -ldl to LIBS.
    #
    foreach extralibs {{} {-ldl}} {

      # Locate the system SQLite by searching for sqlite3_open(). Then check
      # if sqlite3_create_window_function can be found as well. If we can find open() but
      # not create_window_function(), then the system SQLite is too old to link against
      # fossil.
      #
      if {[check-function-in-lib sqlite3_open sqlite3 $extralibs]} {
        if {![check-function-in-lib sqlite3_create_window_function sqlite3 $extralibs]} {
          user-error "system sqlite3 too old (require >= 3.25.0)"
        }

        # Success. Update symbols and return.
        #
        define USE_SYSTEM_SQLITE 1
        define-append LIBS -lsqlite3
        define-append LIBS $extralibs







|
|



|
|







124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
    # search for the system SQLite once with -ldl, and once without. If
    # the library can only be found with $extralibs set to -ldl, then
    # the code below will append -ldl to LIBS.
    #
    foreach extralibs {{} {-ldl}} {

      # Locate the system SQLite by searching for sqlite3_open(). Then check
      # if sqlite3_stmt_isexplain can be found as well. If we can find open() but
      # not stmt_isexplain(), then the system SQLite is too old to link against
      # fossil.
      #
      if {[check-function-in-lib sqlite3_open sqlite3 $extralibs]} {
        if {![check-function-in-lib sqlite3_stmt_isexplain sqlite3 $extralibs]} {
          user-error "system sqlite3 too old (require >= 3.28.0)"
        }

        # Success. Update symbols and return.
        #
        define USE_SYSTEM_SQLITE 1
        define-append LIBS -lsqlite3
        define-append LIBS $extralibs

Changes to src/shell.c.

2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
....
2314
2315
2316
2317
2318
2319
2320
2321

2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
....
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
....
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
.....
10425
10426
10427
10428
10429
10430
10431




























































10432
10433
10434
10435
10436
10437
10438
.....
10678
10679
10680
10681
10682
10683
10684
10685
10686
10687
10688
10689
10690
10691
10692
.....
10727
10728
10729
10730
10731
10732
10733
10734
10735
10736
10737
10738
10739
10740

10741
10742
10743
10744
10745
10746
10747
10748
10749
10750
10751

10752
10753
10754
10755
10756
10757
10758
.....
11074
11075
11076
11077
11078
11079
11080
11081

11082
11083
11084
11085
11086
11087
11088
.....
11176
11177
11178
11179
11180
11181
11182







11183
11184
11185
11186
11187
11188
11189
.....
12388
12389
12390
12391
12392
12393
12394
12395
12396
12397
12398
12399
12400
12401
12402

12403
12404










12405
12406
12407
12408
12409
12410
12411
.....
12991
12992
12993
12994
12995
12996
12997


12998
12999
13000
13001
13002
13003
13004
13005
13006
13007
13008
13009
13010
13011
13012
13013
13014
13015
13016
13017

13018
13019
13020
13021
13022
13023
13024
.....
13057
13058
13059
13060
13061
13062
13063

13064
13065
13066
13067
13068
13069
13070
.....
13392
13393
13394
13395
13396
13397
13398
13399





13400
13401
13402
13403
13404
13405
13406
13407


13408
13409
13410
13411

13412
13413
13414
13415
13416
13417
13418
.....
13426
13427
13428
13429
13430
13431
13432
13433
13434

13435
13436
13437
13438
13439
13440
13441
13442
13443
13444
13445
13446
13447
13448

13449
13450
13451
13452
13453
13454
13455
.....
13472
13473
13474
13475
13476
13477
13478











13479
13480
13481
13482
13483
13484
13485
13486
13487
13488
13489
.....
13490
13491
13492
13493
13494
13495
13496

13497
13498
13499
13500
13501
13502
13503
.....
13528
13529
13530
13531
13532
13533
13534
13535

13536
13537
13538
13539
13540
13541
13542
.....
13565
13566
13567
13568
13569
13570
13571
13572
13573
13574
13575
13576
13577
13578
13579
.....
13580
13581
13582
13583
13584
13585
13586




13587
13588
13589
13590
13591
13592
13593
13594
13595
13596
.....
14706
14707
14708
14709
14710
14711
14712












































































































14713
14714
14715
14716
14717
14718
14719
  db = sqlite3_context_db_handle(ctx);
  mxBlob = sqlite3_limit(db, SQLITE_LIMIT_LENGTH, -1);
  if( nIn>mxBlob ){
    sqlite3_result_error_code(ctx, SQLITE_TOOBIG);
    fclose(in);
    return;
  }
  pBuf = sqlite3_malloc64( nIn );
  if( pBuf==0 ){
    sqlite3_result_error_nomem(ctx);
    fclose(in);
    return;
  }
  if( 1==fread(pBuf, nIn, 1, in) ){
    sqlite3_result_blob64(ctx, pBuf, nIn, sqlite3_free);
  }else{
    sqlite3_result_error_code(ctx, SQLITE_IOERR);
    sqlite3_free(pBuf);
  }
  fclose(in);
}
................................................................................
#endif
}

/*
** Argument zFile is the name of a file that will be created and/or written
** by SQL function writefile(). This function ensures that the directory
** zFile will be written to exists, creating it if required. The permissions
** for any path components created by this function are set to (mode&0777).

**
** If an OOM condition is encountered, SQLITE_NOMEM is returned. Otherwise,
** SQLITE_OK is returned if the directory is successfully created, or
** SQLITE_ERROR otherwise.
*/
static int makeDirectory(
  const char *zFile,
  mode_t mode
){
  char *zCopy = sqlite3_mprintf("%s", zFile);
  int rc = SQLITE_OK;

  if( zCopy==0 ){
    rc = SQLITE_NOMEM;
  }else{
................................................................................

      for(; zCopy[i]!='/' && i<nCopy; i++);
      if( i==nCopy ) break;
      zCopy[i] = '\0';

      rc2 = fileStat(zCopy, &sStat);
      if( rc2!=0 ){
        if( mkdir(zCopy, mode & 0777) ) rc = SQLITE_ERROR;
      }else{
        if( !S_ISDIR(sStat.st_mode) ) rc = SQLITE_ERROR;
      }
      zCopy[i] = '/';
      i++;
    }

................................................................................
  }
  if( argc==4 ){
    mtime = sqlite3_value_int64(argv[3]);
  }

  res = writeFile(context, zFile, argv[1], mode, mtime);
  if( res==1 && errno==ENOENT ){
    if( makeDirectory(zFile, mode)==SQLITE_OK ){
      res = writeFile(context, zFile, argv[1], mode, mtime);
    }
  }

  if( argc>2 && res!=0 ){
    if( S_ISLNK(mode) ){
      ctxErrorMsg(context, "failed to create symlink: %s", zFile);
................................................................................
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
  sqlite3SelectTrace = savedSelectTrace;
#endif
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
  sqlite3WhereTrace = savedWhereTrace;
#endif
}





























































/*
** Run a prepared statement
*/
static void exec_prepared_stmt(
  ShellState *pArg,                                /* Pointer to ShellState */
  sqlite3_stmt *pStmt                              /* Statment to run */
................................................................................

      /* echo the sql statement if echo on */
      if( pArg && ShellHasFlag(pArg, SHFLG_Echo) ){
        utf8_printf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql);
      }

      /* Show the EXPLAIN QUERY PLAN if .eqp is on */
      if( pArg && pArg->autoEQP && sqlite3_strlike("EXPLAIN%",zStmtSql,0)!=0 ){
        sqlite3_stmt *pExplain;
        char *zEQP;
        int triggerEQP = 0;
        disable_debug_trace_modes();
        sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, -1, &triggerEQP);
        if( pArg->autoEQP>=AUTOEQP_trigger ){
          sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, 1, 0);
................................................................................
        }
        restore_debug_trace_modes();
      }

      if( pArg ){
        pArg->cMode = pArg->mode;
        if( pArg->autoExplain ){
          if( sqlite3_column_count(pStmt)==8
           && sqlite3_strlike("EXPLAIN%", zStmtSql,0)==0
          ){
            pArg->cMode = MODE_Explain;
          }
          if( sqlite3_column_count(pStmt)==4
           && sqlite3_strlike("EXPLAIN QUERY PLAN%", zStmtSql,0)==0 ){

            pArg->cMode = MODE_EQP;
          }
        }

        /* If the shell is currently in ".explain" mode, gather the extra
        ** data required to add indents to the output.*/
        if( pArg->cMode==MODE_Explain ){
          explain_data_prepare(pArg, pStmt);
        }
      }


      exec_prepared_stmt(pArg, pStmt);
      explain_data_delete(pArg);
      eqp_render(pArg);

      /* print usage stats if stats on */
      if( pArg && pArg->statsOn ){
        display_stats(db, pArg, 0);
................................................................................
** start of the description of what that command does.
*/
static const char *(azHelp[]) = {
#if defined(SQLITE_HAVE_ZLIB) && !defined(SQLITE_OMIT_VIRTUALTABLE)
  ".archive ...             Manage SQL archives",
  "   Each command must have exactly one of the following options:",
  "     -c, --create               Create a new archive",
  "     -u, --update               Update or add files to an existing archive",

  "     -t, --list                 List contents of archive",
  "     -x, --extract              Extract files from archive",
  "   Optional arguments:",
  "     -v, --verbose              Print each filename as it is processed",
  "     -f FILE, --file FILE       Operate on archive FILE (default is current db)",
  "     -a FILE, --append FILE     Operate on FILE opened using the apndvfs VFS",
  "     -C DIR, --directory DIR    Change to directory DIR to read/extract files",
................................................................................
  "        --maxsize N     Maximum size for --hexdb or --deserialized database",
#endif
  "        --new           Initialize FILE to an empty database",
  "        --readonly      Open FILE readonly",
  "        --zip           FILE is a ZIP archive",
  ".output ?FILE?           Send output to FILE or stdout if FILE is omitted",
  "     If FILE begins with '|' then open it as a pipe.",







  ".print STRING...         Print literal STRING",
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  ".progress N              Invoke progress handler after every N opcodes",
  "   --limit N                 Interrupt after N progress callbacks",
  "   --once                    Do no more than one progress interrupt",
  "   --quiet|-q                No output except at interrupts",
  "   --reset                   Reset the count for each input and interrupt",
................................................................................
     { "number of triggers:",
       "SELECT count(*) FROM %s WHERE type='trigger'" },
     { "number of views:",
       "SELECT count(*) FROM %s WHERE type='view'" },
     { "schema size:",
       "SELECT total(length(sql)) FROM %s" },
  };
  int i;
  unsigned iDataVersion;
  char *zSchemaTab;
  char *zDb = nArg>=2 ? azArg[1] : "main";
  sqlite3_stmt *pStmt = 0;
  unsigned char aHdr[100];
  open_db(p, 0);
  if( p->db==0 ) return 1;

  sqlite3_prepare_v2(p->db,"SELECT data FROM sqlite_dbpage(?1) WHERE pgno=1",
                     -1, &pStmt, 0);










  sqlite3_bind_text(pStmt, 1, zDb, -1, SQLITE_STATIC);
  if( sqlite3_step(pStmt)==SQLITE_ROW
   && sqlite3_column_bytes(pStmt,0)>100
  ){
    memcpy(aHdr, sqlite3_column_blob(pStmt,0), 100);
    sqlite3_finalize(pStmt);
  }else{
................................................................................
  return SQLITE_ERROR;
}

/*
** Values for ArCommand.eCmd.
*/
#define AR_CMD_CREATE       1


#define AR_CMD_EXTRACT      2
#define AR_CMD_LIST         3
#define AR_CMD_UPDATE       4
#define AR_CMD_HELP         5

/*
** Other (non-command) switches.
*/
#define AR_SWITCH_VERBOSE     6
#define AR_SWITCH_FILE        7
#define AR_SWITCH_DIRECTORY   8
#define AR_SWITCH_APPEND      9
#define AR_SWITCH_DRYRUN     10

static int arProcessSwitch(ArCommand *pAr, int eSwitch, const char *zArg){
  switch( eSwitch ){
    case AR_CMD_CREATE:
    case AR_CMD_EXTRACT:
    case AR_CMD_LIST:
    case AR_CMD_UPDATE:

    case AR_CMD_HELP:
      if( pAr->eCmd ){
        return arErrorMsg(pAr, "multiple command options");
      }
      pAr->eCmd = eSwitch;
      break;

................................................................................
    const char *zLong;
    char cShort;
    u8 eSwitch;
    u8 bArg;
  } aSwitch[] = {
    { "create",    'c', AR_CMD_CREATE,       0 },
    { "extract",   'x', AR_CMD_EXTRACT,      0 },

    { "list",      't', AR_CMD_LIST,         0 },
    { "update",    'u', AR_CMD_UPDATE,       0 },
    { "help",      'h', AR_CMD_HELP,         0 },
    { "verbose",   'v', AR_SWITCH_VERBOSE,   0 },
    { "file",      'f', AR_SWITCH_FILE,      1 },
    { "append",    'a', AR_SWITCH_APPEND,    1 },
    { "directory", 'C', AR_SWITCH_DIRECTORY, 1 },
................................................................................
    }
  }
  return rc;
}


/*
** Implementation of .ar "create" and "update" commands.





**
** Create the "sqlar" table in the database if it does not already exist.
** Then add each file in the azFile[] array to the archive. Directories
** are added recursively. If argument bVerbose is non-zero, a message is
** printed on stdout for each file archived.
**
** The create command is the same as update, except that it drops
** any existing "sqlar" table before beginning.


*/
static int arCreateOrUpdateCommand(
  ArCommand *pAr,                 /* Command arguments and options */
  int bUpdate                     /* true for a --create.  false for --update */

){
  const char *zCreate = 
      "CREATE TABLE IF NOT EXISTS sqlar(\n"
      "  name TEXT PRIMARY KEY,  -- name of the file\n"
      "  mode INT,               -- access permissions\n"
      "  mtime INT,              -- last modification time\n"
      "  sz INT,                 -- original file size\n"
................................................................................
     "    mode,\n"
     "    mtime,\n"
     "    CASE substr(lsmode(mode),1,1)\n"
     "      WHEN '-' THEN length(data)\n"
     "      WHEN 'd' THEN 0\n"
     "      ELSE -1 END,\n"
     "    sqlar_compress(data)\n"
     "  FROM fsdir(%Q,%Q)\n"
     "  WHERE lsmode(mode) NOT LIKE '?%%';",

     "REPLACE INTO %s(name,mode,mtime,data)\n"
     "  SELECT\n"
     "    %s,\n"
     "    mode,\n"
     "    mtime,\n"
     "    data\n"
     "  FROM fsdir(%Q,%Q)\n"
     "  WHERE lsmode(mode) NOT LIKE '?%%';"
  };
  int i;                          /* For iterating through azFile[] */
  int rc;                         /* Return code */
  const char *zTab = 0;           /* SQL table into which to insert */
  char *zSql;
  char zTemp[50];


  arExecSql(pAr, "PRAGMA page_size=512");
  rc = arExecSql(pAr, "SAVEPOINT ar;");
  if( rc!=SQLITE_OK ) return rc;
  zTemp[0] = 0; 
  if( pAr->bZip ){
    /* Initialize the zipfile virtual table, if necessary */
................................................................................
    zTab = "sqlar";
    if( bUpdate==0 ){
      rc = arExecSql(pAr, zDrop);
      if( rc!=SQLITE_OK ) goto end_ar_transaction;
    }
    rc = arExecSql(pAr, zCreate);
  }











  for(i=0; i<pAr->nArg && rc==SQLITE_OK; i++){
    char *zSql2 = sqlite3_mprintf(zInsertFmt[pAr->bZip], zTab,
        pAr->bVerbose ? "shell_putsnl(name)" : "name",
        pAr->azArg[i], pAr->zDir);
    rc = arExecSql(pAr, zSql2);
    sqlite3_free(zSql2);
  }
end_ar_transaction:
  if( rc!=SQLITE_OK ){
    sqlite3_exec(pAr->db, "ROLLBACK TO ar; RELEASE ar;", 0, 0, 0);
  }else{
................................................................................
    rc = arExecSql(pAr, "RELEASE ar;");
    if( pAr->bZip && pAr->zFile ){
      zSql = sqlite3_mprintf("DROP TABLE %s", zTemp);
      arExecSql(pAr, zSql);
      sqlite3_free(zSql);
    }
  }

  return rc;
}

/*
** Implementation of ".ar" dot command.
*/
static int arDotCommand(
................................................................................
          cmd.zSrcTable = sqlite3_mprintf("zipfile(%Q)", cmd.zFile);
        }
      }
      cmd.bZip = 1;
    }else if( cmd.zFile ){
      int flags;
      if( cmd.bAppend ) eDbType = SHELL_OPEN_APPENDVFS;
      if( cmd.eCmd==AR_CMD_CREATE || cmd.eCmd==AR_CMD_UPDATE ){

        flags = SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE;
      }else{
        flags = SQLITE_OPEN_READONLY;
      }
      cmd.db = 0;
      if( cmd.bDryRun ){
        utf8_printf(pState->out, "-- open database '%s'%s\n", cmd.zFile,
................................................................................
        goto end_ar_command;
      }
      cmd.zSrcTable = sqlite3_mprintf("sqlar");
    }

    switch( cmd.eCmd ){
      case AR_CMD_CREATE:
        rc = arCreateOrUpdateCommand(&cmd, 0);
        break;

      case AR_CMD_EXTRACT:
        rc = arExtractCommand(&cmd);
        break;

      case AR_CMD_LIST:
................................................................................
        rc = arListCommand(&cmd);
        break;

      case AR_CMD_HELP:
        arUsage(pState->out);
        break;





      default:
        assert( cmd.eCmd==AR_CMD_UPDATE );
        rc = arCreateOrUpdateCommand(&cmd, 1);
        break;
    }
  }
end_ar_command:
  if( cmd.db!=pState->db ){
    close_db(cmd.db);
  }
................................................................................
        p->out = stdout;
        rc = 1;
      } else {
        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
      }
    }
  }else













































































































  if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){
    int i;
    for(i=1; i<nArg; i++){
      if( i>1 ) raw_printf(p->out, " ");
      utf8_printf(p->out, "%s", azArg[i]);
    }







|





|







 







|
>






|
<







 







|







 







|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|







 







|
<
<


<
<
>











>







 







|
>







 







>
>
>
>
>
>
>







 







|







>
|
|
>
>
>
>
>
>
>
>
>
>







 







>
>
|
|
<
|




|
|
|
|
|







>







 







>







 







|
>
>
>
>
>







|
>
>



|
>







 







|
|
>






|
|






>







 







>
>
>
>
>
>
>
>
>
>
>



|







 







>







 







|
>







 







|







 







>
>
>
>


|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
....
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329

2330
2331
2332
2333
2334
2335
2336
....
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
....
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
.....
10425
10426
10427
10428
10429
10430
10431
10432
10433
10434
10435
10436
10437
10438
10439
10440
10441
10442
10443
10444
10445
10446
10447
10448
10449
10450
10451
10452
10453
10454
10455
10456
10457
10458
10459
10460
10461
10462
10463
10464
10465
10466
10467
10468
10469
10470
10471
10472
10473
10474
10475
10476
10477
10478
10479
10480
10481
10482
10483
10484
10485
10486
10487
10488
10489
10490
10491
10492
10493
10494
10495
10496
10497
10498
.....
10738
10739
10740
10741
10742
10743
10744
10745
10746
10747
10748
10749
10750
10751
10752
.....
10787
10788
10789
10790
10791
10792
10793
10794


10795
10796


10797
10798
10799
10800
10801
10802
10803
10804
10805
10806
10807
10808
10809
10810
10811
10812
10813
10814
10815
10816
.....
11132
11133
11134
11135
11136
11137
11138
11139
11140
11141
11142
11143
11144
11145
11146
11147
.....
11235
11236
11237
11238
11239
11240
11241
11242
11243
11244
11245
11246
11247
11248
11249
11250
11251
11252
11253
11254
11255
.....
12454
12455
12456
12457
12458
12459
12460
12461
12462
12463
12464
12465
12466
12467
12468
12469
12470
12471
12472
12473
12474
12475
12476
12477
12478
12479
12480
12481
12482
12483
12484
12485
12486
12487
12488
.....
13068
13069
13070
13071
13072
13073
13074
13075
13076
13077
13078

13079
13080
13081
13082
13083
13084
13085
13086
13087
13088
13089
13090
13091
13092
13093
13094
13095
13096
13097
13098
13099
13100
13101
13102
13103
.....
13136
13137
13138
13139
13140
13141
13142
13143
13144
13145
13146
13147
13148
13149
13150
.....
13472
13473
13474
13475
13476
13477
13478
13479
13480
13481
13482
13483
13484
13485
13486
13487
13488
13489
13490
13491
13492
13493
13494
13495
13496
13497
13498
13499
13500
13501
13502
13503
13504
13505
13506
.....
13514
13515
13516
13517
13518
13519
13520
13521
13522
13523
13524
13525
13526
13527
13528
13529
13530
13531
13532
13533
13534
13535
13536
13537
13538
13539
13540
13541
13542
13543
13544
13545
.....
13562
13563
13564
13565
13566
13567
13568
13569
13570
13571
13572
13573
13574
13575
13576
13577
13578
13579
13580
13581
13582
13583
13584
13585
13586
13587
13588
13589
13590
.....
13591
13592
13593
13594
13595
13596
13597
13598
13599
13600
13601
13602
13603
13604
13605
.....
13630
13631
13632
13633
13634
13635
13636
13637
13638
13639
13640
13641
13642
13643
13644
13645
.....
13668
13669
13670
13671
13672
13673
13674
13675
13676
13677
13678
13679
13680
13681
13682
.....
13683
13684
13685
13686
13687
13688
13689
13690
13691
13692
13693
13694
13695
13696
13697
13698
13699
13700
13701
13702
13703
.....
14813
14814
14815
14816
14817
14818
14819
14820
14821
14822
14823
14824
14825
14826
14827
14828
14829
14830
14831
14832
14833
14834
14835
14836
14837
14838
14839
14840
14841
14842
14843
14844
14845
14846
14847
14848
14849
14850
14851
14852
14853
14854
14855
14856
14857
14858
14859
14860
14861
14862
14863
14864
14865
14866
14867
14868
14869
14870
14871
14872
14873
14874
14875
14876
14877
14878
14879
14880
14881
14882
14883
14884
14885
14886
14887
14888
14889
14890
14891
14892
14893
14894
14895
14896
14897
14898
14899
14900
14901
14902
14903
14904
14905
14906
14907
14908
14909
14910
14911
14912
14913
14914
14915
14916
14917
14918
14919
14920
14921
14922
14923
14924
14925
14926
14927
14928
14929
14930
14931
14932
14933
14934
  db = sqlite3_context_db_handle(ctx);
  mxBlob = sqlite3_limit(db, SQLITE_LIMIT_LENGTH, -1);
  if( nIn>mxBlob ){
    sqlite3_result_error_code(ctx, SQLITE_TOOBIG);
    fclose(in);
    return;
  }
  pBuf = sqlite3_malloc64( nIn ? nIn : 1 );
  if( pBuf==0 ){
    sqlite3_result_error_nomem(ctx);
    fclose(in);
    return;
  }
  if( nIn==(sqlite3_int64)fread(pBuf, 1, (size_t)nIn, in) ){
    sqlite3_result_blob64(ctx, pBuf, nIn, sqlite3_free);
  }else{
    sqlite3_result_error_code(ctx, SQLITE_IOERR);
    sqlite3_free(pBuf);
  }
  fclose(in);
}
................................................................................
#endif
}

/*
** Argument zFile is the name of a file that will be created and/or written
** by SQL function writefile(). This function ensures that the directory
** zFile will be written to exists, creating it if required. The permissions
** for any path components created by this function are set in accordance
** with the current umask.
**
** If an OOM condition is encountered, SQLITE_NOMEM is returned. Otherwise,
** SQLITE_OK is returned if the directory is successfully created, or
** SQLITE_ERROR otherwise.
*/
static int makeDirectory(
  const char *zFile

){
  char *zCopy = sqlite3_mprintf("%s", zFile);
  int rc = SQLITE_OK;

  if( zCopy==0 ){
    rc = SQLITE_NOMEM;
  }else{
................................................................................

      for(; zCopy[i]!='/' && i<nCopy; i++);
      if( i==nCopy ) break;
      zCopy[i] = '\0';

      rc2 = fileStat(zCopy, &sStat);
      if( rc2!=0 ){
        if( mkdir(zCopy, 0777) ) rc = SQLITE_ERROR;
      }else{
        if( !S_ISDIR(sStat.st_mode) ) rc = SQLITE_ERROR;
      }
      zCopy[i] = '/';
      i++;
    }

................................................................................
  }
  if( argc==4 ){
    mtime = sqlite3_value_int64(argv[3]);
  }

  res = writeFile(context, zFile, argv[1], mode, mtime);
  if( res==1 && errno==ENOENT ){
    if( makeDirectory(zFile)==SQLITE_OK ){
      res = writeFile(context, zFile, argv[1], mode, mtime);
    }
  }

  if( argc>2 && res!=0 ){
    if( S_ISLNK(mode) ){
      ctxErrorMsg(context, "failed to create symlink: %s", zFile);
................................................................................
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
  sqlite3SelectTrace = savedSelectTrace;
#endif
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
  sqlite3WhereTrace = savedWhereTrace;
#endif
}

/* Create the TEMP table used to store parameter bindings */
static void bind_table_init(ShellState *p){
  int wrSchema = 0;
  sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, -1, &wrSchema);
  sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, 1, 0);
  sqlite3_exec(p->db,
    "CREATE TABLE IF NOT EXISTS temp.sqlite_parameters(\n"
    "  key TEXT PRIMARY KEY,\n"
    "  value ANY\n"
    ") WITHOUT ROWID;",
    0, 0, 0);
  sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, wrSchema, 0);
}

/*
** Bind parameters on a prepared statement.
**
** Parameter bindings are taken from a TEMP table of the form:
**
**    CREATE TEMP TABLE sqlite_parameters(key TEXT PRIMARY KEY, value)
**    WITHOUT ROWID;
**
** No bindings occur if this table does not exist.  The special character '$'
** is included in the table name to help prevent collisions with actual tables.
** The table must be in the TEMP schema.
*/
static void bind_prepared_stmt(ShellState *pArg, sqlite3_stmt *pStmt){
  int nVar;
  int i;
  int rc;
  sqlite3_stmt *pQ = 0;

  nVar = sqlite3_bind_parameter_count(pStmt);
  if( nVar==0 ) return;  /* Nothing to do */
  if( sqlite3_table_column_metadata(pArg->db, "TEMP", "sqlite_parameters",
                                    "key", 0, 0, 0, 0, 0)!=SQLITE_OK ){
    return; /* Parameter table does not exist */
  }
  rc = sqlite3_prepare_v2(pArg->db,
          "SELECT value FROM temp.sqlite_parameters"
          " WHERE key=?1", -1, &pQ, 0);
  if( rc || pQ==0 ) return;
  for(i=1; i<=nVar; i++){
    char zNum[30];
    const char *zVar = sqlite3_bind_parameter_name(pStmt, i);
    if( zVar==0 ){
      sqlite3_snprintf(sizeof(zNum),zNum,"?%d",i);
      zVar = zNum;
    }
    sqlite3_bind_text(pQ, 1, zVar, -1, SQLITE_STATIC);
    if( sqlite3_step(pQ)==SQLITE_ROW ){
      sqlite3_bind_value(pStmt, i, sqlite3_column_value(pQ, 0));
    }else{
      sqlite3_bind_null(pStmt, i);
    }
    sqlite3_reset(pQ);
  }
  sqlite3_finalize(pQ);
}

/*
** Run a prepared statement
*/
static void exec_prepared_stmt(
  ShellState *pArg,                                /* Pointer to ShellState */
  sqlite3_stmt *pStmt                              /* Statment to run */
................................................................................

      /* echo the sql statement if echo on */
      if( pArg && ShellHasFlag(pArg, SHFLG_Echo) ){
        utf8_printf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql);
      }

      /* Show the EXPLAIN QUERY PLAN if .eqp is on */
      if( pArg && pArg->autoEQP && sqlite3_stmt_isexplain(pStmt)==0 ){
        sqlite3_stmt *pExplain;
        char *zEQP;
        int triggerEQP = 0;
        disable_debug_trace_modes();
        sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, -1, &triggerEQP);
        if( pArg->autoEQP>=AUTOEQP_trigger ){
          sqlite3_db_config(db, SQLITE_DBCONFIG_TRIGGER_EQP, 1, 0);
................................................................................
        }
        restore_debug_trace_modes();
      }

      if( pArg ){
        pArg->cMode = pArg->mode;
        if( pArg->autoExplain ){
          if( sqlite3_stmt_isexplain(pStmt)==1 ){


            pArg->cMode = MODE_Explain;
          }


          if( sqlite3_stmt_isexplain(pStmt)==2 ){
            pArg->cMode = MODE_EQP;
          }
        }

        /* If the shell is currently in ".explain" mode, gather the extra
        ** data required to add indents to the output.*/
        if( pArg->cMode==MODE_Explain ){
          explain_data_prepare(pArg, pStmt);
        }
      }

      bind_prepared_stmt(pArg, pStmt);
      exec_prepared_stmt(pArg, pStmt);
      explain_data_delete(pArg);
      eqp_render(pArg);

      /* print usage stats if stats on */
      if( pArg && pArg->statsOn ){
        display_stats(db, pArg, 0);
................................................................................
** start of the description of what that command does.
*/
static const char *(azHelp[]) = {
#if defined(SQLITE_HAVE_ZLIB) && !defined(SQLITE_OMIT_VIRTUALTABLE)
  ".archive ...             Manage SQL archives",
  "   Each command must have exactly one of the following options:",
  "     -c, --create               Create a new archive",
  "     -u, --update               Add files or update files with changed mtime",
  "     -i, --insert               Like -u but always add even if mtime unchanged",
  "     -t, --list                 List contents of archive",
  "     -x, --extract              Extract files from archive",
  "   Optional arguments:",
  "     -v, --verbose              Print each filename as it is processed",
  "     -f FILE, --file FILE       Operate on archive FILE (default is current db)",
  "     -a FILE, --append FILE     Operate on FILE opened using the apndvfs VFS",
  "     -C DIR, --directory DIR    Change to directory DIR to read/extract files",
................................................................................
  "        --maxsize N     Maximum size for --hexdb or --deserialized database",
#endif
  "        --new           Initialize FILE to an empty database",
  "        --readonly      Open FILE readonly",
  "        --zip           FILE is a ZIP archive",
  ".output ?FILE?           Send output to FILE or stdout if FILE is omitted",
  "     If FILE begins with '|' then open it as a pipe.",
  ".parameter CMD ...       Manage SQL parameter bindings",
  "   clear                   Erase all bindings",
  "   init                    Initialize the TEMP table that holds bindings",
  "   list                    List the current parameter bindings",
  "   set PARAMETER VALUE     Given SQL parameter PARAMETER a value of VALUE",
  "                           PARAMETER should start with '$', ':', '@', or '?'",
  "   unset PARAMETER         Remove PARAMETER from the binding table",
  ".print STRING...         Print literal STRING",
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  ".progress N              Invoke progress handler after every N opcodes",
  "   --limit N                 Interrupt after N progress callbacks",
  "   --once                    Do no more than one progress interrupt",
  "   --quiet|-q                No output except at interrupts",
  "   --reset                   Reset the count for each input and interrupt",
................................................................................
     { "number of triggers:",
       "SELECT count(*) FROM %s WHERE type='trigger'" },
     { "number of views:",
       "SELECT count(*) FROM %s WHERE type='view'" },
     { "schema size:",
       "SELECT total(length(sql)) FROM %s" },
  };
  int i, rc;
  unsigned iDataVersion;
  char *zSchemaTab;
  char *zDb = nArg>=2 ? azArg[1] : "main";
  sqlite3_stmt *pStmt = 0;
  unsigned char aHdr[100];
  open_db(p, 0);
  if( p->db==0 ) return 1;
  rc = sqlite3_prepare_v2(p->db,
             "SELECT data FROM sqlite_dbpage(?1) WHERE pgno=1",
             -1, &pStmt, 0);
  if( rc ){
    if( !sqlite3_compileoption_used("ENABLE_DBPAGE_VTAB") ){
      utf8_printf(stderr, "the \".dbinfo\" command requires the "
                          "-DSQLITE_ENABLE_DBPAGE_VTAB compile-time options\n");
    }else{
      utf8_printf(stderr, "error: %s\n", sqlite3_errmsg(p->db));
    }
    sqlite3_finalize(pStmt);
    return 1;
  }
  sqlite3_bind_text(pStmt, 1, zDb, -1, SQLITE_STATIC);
  if( sqlite3_step(pStmt)==SQLITE_ROW
   && sqlite3_column_bytes(pStmt,0)>100
  ){
    memcpy(aHdr, sqlite3_column_blob(pStmt,0), 100);
    sqlite3_finalize(pStmt);
  }else{
................................................................................
  return SQLITE_ERROR;
}

/*
** Values for ArCommand.eCmd.
*/
#define AR_CMD_CREATE       1
#define AR_CMD_UPDATE       2
#define AR_CMD_INSERT       3
#define AR_CMD_EXTRACT      4
#define AR_CMD_LIST         5

#define AR_CMD_HELP         6

/*
** Other (non-command) switches.
*/
#define AR_SWITCH_VERBOSE     7
#define AR_SWITCH_FILE        8
#define AR_SWITCH_DIRECTORY   9
#define AR_SWITCH_APPEND     10
#define AR_SWITCH_DRYRUN     11

static int arProcessSwitch(ArCommand *pAr, int eSwitch, const char *zArg){
  switch( eSwitch ){
    case AR_CMD_CREATE:
    case AR_CMD_EXTRACT:
    case AR_CMD_LIST:
    case AR_CMD_UPDATE:
    case AR_CMD_INSERT:
    case AR_CMD_HELP:
      if( pAr->eCmd ){
        return arErrorMsg(pAr, "multiple command options");
      }
      pAr->eCmd = eSwitch;
      break;

................................................................................
    const char *zLong;
    char cShort;
    u8 eSwitch;
    u8 bArg;
  } aSwitch[] = {
    { "create",    'c', AR_CMD_CREATE,       0 },
    { "extract",   'x', AR_CMD_EXTRACT,      0 },
    { "insert",    'i', AR_CMD_INSERT,       0 },
    { "list",      't', AR_CMD_LIST,         0 },
    { "update",    'u', AR_CMD_UPDATE,       0 },
    { "help",      'h', AR_CMD_HELP,         0 },
    { "verbose",   'v', AR_SWITCH_VERBOSE,   0 },
    { "file",      'f', AR_SWITCH_FILE,      1 },
    { "append",    'a', AR_SWITCH_APPEND,    1 },
    { "directory", 'C', AR_SWITCH_DIRECTORY, 1 },
................................................................................
    }
  }
  return rc;
}


/*
** Implementation of .ar "create", "insert", and "update" commands.
**
**     create    ->     Create a new SQL archive
**     insert    ->     Insert or reinsert all files listed
**     update    ->     Insert files that have changed or that were not
**                      previously in the archive
**
** Create the "sqlar" table in the database if it does not already exist.
** Then add each file in the azFile[] array to the archive. Directories
** are added recursively. If argument bVerbose is non-zero, a message is
** printed on stdout for each file archived.
**
** The create command is the same as update, except that it drops
** any existing "sqlar" table before beginning.  The "insert" command
** always overwrites every file named on the command-line, where as
** "update" only overwrites if the size or mtime or mode has changed.
*/
static int arCreateOrUpdateCommand(
  ArCommand *pAr,                 /* Command arguments and options */
  int bUpdate,                    /* true for a --create. */
  int bOnlyIfChanged              /* Only update if file has changed */
){
  const char *zCreate = 
      "CREATE TABLE IF NOT EXISTS sqlar(\n"
      "  name TEXT PRIMARY KEY,  -- name of the file\n"
      "  mode INT,               -- access permissions\n"
      "  mtime INT,              -- last modification time\n"
      "  sz INT,                 -- original file size\n"
................................................................................
     "    mode,\n"
     "    mtime,\n"
     "    CASE substr(lsmode(mode),1,1)\n"
     "      WHEN '-' THEN length(data)\n"
     "      WHEN 'd' THEN 0\n"
     "      ELSE -1 END,\n"
     "    sqlar_compress(data)\n"
     "  FROM fsdir(%Q,%Q) AS disk\n"
     "  WHERE lsmode(mode) NOT LIKE '?%%'%s;"
     ,
     "REPLACE INTO %s(name,mode,mtime,data)\n"
     "  SELECT\n"
     "    %s,\n"
     "    mode,\n"
     "    mtime,\n"
     "    data\n"
     "  FROM fsdir(%Q,%Q) AS disk\n"
     "  WHERE lsmode(mode) NOT LIKE '?%%'%s;"
  };
  int i;                          /* For iterating through azFile[] */
  int rc;                         /* Return code */
  const char *zTab = 0;           /* SQL table into which to insert */
  char *zSql;
  char zTemp[50];
  char *zExists = 0;

  arExecSql(pAr, "PRAGMA page_size=512");
  rc = arExecSql(pAr, "SAVEPOINT ar;");
  if( rc!=SQLITE_OK ) return rc;
  zTemp[0] = 0; 
  if( pAr->bZip ){
    /* Initialize the zipfile virtual table, if necessary */
................................................................................
    zTab = "sqlar";
    if( bUpdate==0 ){
      rc = arExecSql(pAr, zDrop);
      if( rc!=SQLITE_OK ) goto end_ar_transaction;
    }
    rc = arExecSql(pAr, zCreate);
  }
  if( bOnlyIfChanged ){
    zExists = sqlite3_mprintf(
      " AND NOT EXISTS("
          "SELECT 1 FROM %s AS mem"
          " WHERE mem.name=disk.name"
          " AND mem.mtime=disk.mtime"
          " AND mem.mode=disk.mode)", zTab);
  }else{
    zExists = sqlite3_mprintf("");
  }
  if( zExists==0 ) rc = SQLITE_NOMEM;
  for(i=0; i<pAr->nArg && rc==SQLITE_OK; i++){
    char *zSql2 = sqlite3_mprintf(zInsertFmt[pAr->bZip], zTab,
        pAr->bVerbose ? "shell_putsnl(name)" : "name",
        pAr->azArg[i], pAr->zDir, zExists);
    rc = arExecSql(pAr, zSql2);
    sqlite3_free(zSql2);
  }
end_ar_transaction:
  if( rc!=SQLITE_OK ){
    sqlite3_exec(pAr->db, "ROLLBACK TO ar; RELEASE ar;", 0, 0, 0);
  }else{
................................................................................
    rc = arExecSql(pAr, "RELEASE ar;");
    if( pAr->bZip && pAr->zFile ){
      zSql = sqlite3_mprintf("DROP TABLE %s", zTemp);
      arExecSql(pAr, zSql);
      sqlite3_free(zSql);
    }
  }
  sqlite3_free(zExists);
  return rc;
}

/*
** Implementation of ".ar" dot command.
*/
static int arDotCommand(
................................................................................
          cmd.zSrcTable = sqlite3_mprintf("zipfile(%Q)", cmd.zFile);
        }
      }
      cmd.bZip = 1;
    }else if( cmd.zFile ){
      int flags;
      if( cmd.bAppend ) eDbType = SHELL_OPEN_APPENDVFS;
      if( cmd.eCmd==AR_CMD_CREATE || cmd.eCmd==AR_CMD_INSERT 
           || cmd.eCmd==AR_CMD_UPDATE ){
        flags = SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE;
      }else{
        flags = SQLITE_OPEN_READONLY;
      }
      cmd.db = 0;
      if( cmd.bDryRun ){
        utf8_printf(pState->out, "-- open database '%s'%s\n", cmd.zFile,
................................................................................
        goto end_ar_command;
      }
      cmd.zSrcTable = sqlite3_mprintf("sqlar");
    }

    switch( cmd.eCmd ){
      case AR_CMD_CREATE:
        rc = arCreateOrUpdateCommand(&cmd, 0, 0);
        break;

      case AR_CMD_EXTRACT:
        rc = arExtractCommand(&cmd);
        break;

      case AR_CMD_LIST:
................................................................................
        rc = arListCommand(&cmd);
        break;

      case AR_CMD_HELP:
        arUsage(pState->out);
        break;

      case AR_CMD_INSERT:
        rc = arCreateOrUpdateCommand(&cmd, 1, 0);
        break;

      default:
        assert( cmd.eCmd==AR_CMD_UPDATE );
        rc = arCreateOrUpdateCommand(&cmd, 1, 1);
        break;
    }
  }
end_ar_command:
  if( cmd.db!=pState->db ){
    close_db(cmd.db);
  }
................................................................................
        p->out = stdout;
        rc = 1;
      } else {
        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
      }
    }
  }else

  if( c=='p' && n>=3 && strncmp(azArg[0], "parameter", n)==0 ){
    open_db(p,0);
    if( nArg<=1 ) goto parameter_syntax_error;

    /* .parameter clear
    ** Clear all bind parameters by dropping the TEMP table that holds them.
    */
    if( nArg==2 && strcmp(azArg[1],"clear")==0 ){
      int wrSchema = 0;
      sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, -1, &wrSchema);
      sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, 1, 0);
      sqlite3_exec(p->db, "DROP TABLE IF EXISTS temp.sqlite_parameters;",
                   0, 0, 0);
      sqlite3_db_config(p->db, SQLITE_DBCONFIG_WRITABLE_SCHEMA, wrSchema, 0);
    }else

    /* .parameter list
    ** List all bind parameters.
    */
    if( nArg==2 && strcmp(azArg[1],"list")==0 ){
      sqlite3_stmt *pStmt = 0;
      int rx;
      int len = 0;
      rx = sqlite3_prepare_v2(p->db,
             "SELECT max(length(key)) "
             "FROM temp.sqlite_parameters;", -1, &pStmt, 0);
      if( rx==SQLITE_OK && sqlite3_step(pStmt)==SQLITE_ROW ){
        len = sqlite3_column_int(pStmt, 0);
        if( len>40 ) len = 40;
      }
      sqlite3_finalize(pStmt);
      pStmt = 0;
      if( len ){
        rx = sqlite3_prepare_v2(p->db,
             "SELECT key, quote(value) "
             "FROM temp.sqlite_parameters;", -1, &pStmt, 0);
        while( sqlite3_step(pStmt)==SQLITE_ROW ){
          utf8_printf(p->out, "%-*s %s\n", len, sqlite3_column_text(pStmt,0),
                      sqlite3_column_text(pStmt,1));
        }
        sqlite3_finalize(pStmt);
      }
    }else

    /* .parameter init
    ** Make sure the TEMP table used to hold bind parameters exists.
    ** Create it if necessary.
    */
    if( nArg==2 && strcmp(azArg[1],"init")==0 ){
      bind_table_init(p);
    }else

    /* .parameter set NAME VALUE
    ** Set or reset a bind parameter.  NAME should be the full parameter
    ** name exactly as it appears in the query.  (ex: $abc, @def).  The
    ** VALUE can be in either SQL literal notation, or if not it will be
    ** understood to be a text string.
    */
    if( nArg==4 && strcmp(azArg[1],"set")==0 ){
      int rx;
      char *zSql;
      sqlite3_stmt *pStmt;
      const char *zKey = azArg[2];
      const char *zValue = azArg[3];
      bind_table_init(p);
      zSql = sqlite3_mprintf(
                  "REPLACE INTO temp.sqlite_parameters(key,value)"
                  "VALUES(%Q,%s);", zKey, zValue);
      if( zSql==0 ) shell_out_of_memory();
      pStmt = 0;
      rx = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
      sqlite3_free(zSql);
      if( rx!=SQLITE_OK ){
        sqlite3_finalize(pStmt);
        pStmt = 0;
        zSql = sqlite3_mprintf(
                   "REPLACE INTO temp.sqlite_parameters(key,value)"
                   "VALUES(%Q,%Q);", zKey, zValue);
        if( zSql==0 ) shell_out_of_memory();
        rx = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
        sqlite3_free(zSql);
        if( rx!=SQLITE_OK ){
          utf8_printf(p->out, "Error: %s\n", sqlite3_errmsg(p->db));
          sqlite3_finalize(pStmt);
          pStmt = 0;
          rc = 1;
        }
      }
      sqlite3_step(pStmt);
      sqlite3_finalize(pStmt);
    }else

    /* .parameter unset NAME
    ** Remove the NAME binding from the parameter binding table, if it
    ** exists.
    */
    if( nArg==3 && strcmp(azArg[1],"unset")==0 ){
      char *zSql = sqlite3_mprintf(
          "DELETE FROM temp.sqlite_parameters WHERE key=%Q", azArg[2]);
      if( zSql==0 ) shell_out_of_memory();
      sqlite3_exec(p->db, zSql, 0, 0, 0);
      sqlite3_free(zSql);
    }else
    /* If no command name matches, show a syntax error */
    parameter_syntax_error:
    showHelp(p->out, "parameter");
  }else

  if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){
    int i;
    for(i=1; i<nArg; i++){
      if( i>1 ) raw_printf(p->out, " ");
      utf8_printf(p->out, "%s", azArg[i]);
    }

Changes to src/sqlite3.c.

1
2
3
4
5
6
7
8
9
10
....
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
....
1224
1225
1226
1227
1228
1229
1230



1231
1232
1233
1234
1235
1236
1237
....
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
....
3234
3235
3236
3237
3238
3239
3240











3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253

3254
3255
3256
3257
3258
3259
3260
3261
....
4929
4930
4931
4932
4933
4934
4935












4936
4937
4938
4939
4940
4941
4942
....
5068
5069
5070
5071
5072
5073
5074
5075


5076
5077
5078
5079
5080
5081
5082
....
5985
5986
5987
5988
5989
5990
5991


5992
5993
5994
5995
5996
5997
5998
....
6045
6046
6047
6048
6049
6050
6051





6052
6053
6054
6055
6056
6057
6058
....
6091
6092
6093
6094
6095
6096
6097

6098
6099
6100
6101
6102
6103
6104
....
6826
6827
6828
6829
6830
6831
6832
6833
6834
6835
6836
6837
6838
6839
6840
.....
11927
11928
11929
11930
11931
11932
11933
11934
11935
11936
11937
11938
11939
11940
11941
.....
12336
12337
12338
12339
12340
12341
12342
12343
12344
12345
12346
12347
12348
12349
12350
.....
12351
12352
12353
12354
12355
12356
12357
12358
12359
12360
12361
12362
12363
12364
12365
.....
13377
13378
13379
13380
13381
13382
13383
13384
13385
13386
13387
13388
13389
13390
13391
.....
13518
13519
13520
13521
13522
13523
13524




13525
13526
13527
13528
13529
13530
13531
13532
13533
13534
13535
13536
13537
13538
13539
13540
13541
13542
13543
13544
13545
13546
13547
13548
13549
13550
13551
13552
13553
13554
13555
13556
13557
13558
13559
13560
13561
13562
13563
13564
13565
13566
13567
13568
13569
13570
13571
13572
13573
13574
13575
13576
13577
13578
13579
13580
13581
13582
13583
13584
13585
13586
13587
13588
13589
13590
13591
13592
13593
13594
13595
13596
13597
13598
13599
13600
13601
13602
13603
13604
13605
13606
13607
13608
13609
13610
13611
13612
13613
13614
13615
13616
13617
13618
13619
13620
13621
13622
13623
13624
.....
14542
14543
14544
14545
14546
14547
14548
14549
14550
14551
14552
14553
14554
14555
14556
14557
14558
.....
14902
14903
14904
14905
14906
14907
14908
14909
14910
14911
14912
14913
14914
14915
14916
14917
14918
14919
14920
14921
14922
14923
14924
14925
14926
14927
14928
14929
14930
14931
14932
14933
14934
.....
14951
14952
14953
14954
14955
14956
14957
14958
14959
14960
14961
14962

14963
14964
14965
14966
14967
14968
14969
.....
15006
15007
15008
15009
15010
15011
15012
15013
15014
15015
15016
15017
15018
15019
15020
15021
15022
15023
15024
15025
15026
15027
.....
16321
16322
16323
16324
16325
16326
16327

16328
16329
16330
16331
16332
16333
16334
.....
16454
16455
16456
16457
16458
16459
16460

16461
16462
16463
16464
16465
16466
16467
16468
16469
16470
16471
16472
16473
16474
16475
16476
.....
16580
16581
16582
16583
16584
16585
16586
16587
16588
16589
16590
16591
16592
16593
16594
.....
17386
17387
17388
17389
17390
17391
17392




17393
17394
17395

17396
17397
17398

17399
17400
17401
17402
17403
17404
17405
17406
17407
17408
17409
17410
17411
17412
17413
17414
17415
17416
17417
17418
17419
17420

17421
17422
17423
17424
17425
17426
17427
.....
17653
17654
17655
17656
17657
17658
17659
17660
17661

17662
17663
17664
17665
17666
17667
17668
.....
17670
17671
17672
17673
17674
17675
17676

17677
17678
17679
17680
17681
17682
17683
.....
17984
17985
17986
17987
17988
17989
17990

17991
17992
17993
17994
17995
17996
17997
.....
18424
18425
18426
18427
18428
18429
18430
18431
18432
18433
18434
18435
18436
18437
18438
.....
18439
18440
18441
18442
18443
18444
18445
18446
18447
18448
18449

18450
18451
18452

18453
18454


18455
18456
18457
18458
18459
18460
18461
18462
18463
18464
18465
18466
18467
18468
18469



18470
18471
18472
18473
18474
18475
18476
18477
18478
18479
18480
18481
18482
18483
18484
18485


18486
18487
18488
18489
18490
18491
18492
.....
18708
18709
18710
18711
18712
18713
18714

18715
18716
18717
18718
18719
18720
18721
.....
20131
20132
20133
20134
20135
20136
20137
20138
20139
20140
20141
20142
20143
20144
20145
20146
20147
20148
20149
.....
20167
20168
20169
20170
20171
20172
20173






20174
20175
20176
20177
20178
20179
20180
.....
27116
27117
27118
27119
27120
27121
27122



27123
27124
27125
27126
27127
27128
27129
.....
27309
27310
27311
27312
27313
27314
27315
27316

27317
27318
27319
27320
27321
27322
27323
.....
27339
27340
27341
27342
27343
27344
27345

27346
27347
27348
27349
27350
27351
27352
.....
28058
28059
28060
28061
28062
28063
28064
28065
28066
28067

28068
28069
28070
28071
28072
28073
28074
.....
28132
28133
28134
28135
28136
28137
28138
28139
28140
28141
28142
28143
28144
28145
28146
.....
28765
28766
28767
28768
28769
28770
28771






28772
28773
28774
28775
28776
28777









28778
28779
28780
28781
28782
28783
28784






28785
28786
28787
28788
28789

















28790
28791
28792
28793
28794
28795
28796
.....
29762
29763
29764
29765
29766
29767
29768
29769
29770
29771
29772
29773
29774
29775
29776
29777
29778
29779
29780
.....
29815
29816
29817
29818
29819
29820
29821
29822
29823
29824
29825
29826
29827
29828
29829
29830
29831
29832
29833
29834
29835
29836
.....
30129
30130
30131
30132
30133
30134
30135
30136
30137
30138
30139
30140
30141
30142
30143
30144








30145
30146
30147
30148
30149
30150
30151
.....
30321
30322
30323
30324
30325
30326
30327













30328
30329
30330
30331
30332
30333
30334
.....
31673
31674
31675
31676
31677
31678
31679
31680
31681
31682
31683
31684
31685
31686
31687
.....
31879
31880
31881
31882
31883
31884
31885
31886
31887
31888
31889
31890
31891
31892
31893
.....
31927
31928
31929
31930
31931
31932
31933
31934
31935
31936
31937
31938
31939
31940
31941
31942
.....
32103
32104
32105
32106
32107
32108
32109
32110
32111
32112
32113
32114
32115
32116
32117
32118
32119
32120
32121
32122
32123
32124
32125
32126
32127
32128
32129
32130
32131
32132
32133
32134
32135
.....
32152
32153
32154
32155
32156
32157
32158
32159
32160
32161
32162
32163

32164
32165
32166
32167
32168
32169
32170
.....
49012
49013
49014
49015
49016
49017
49018
49019
49020
49021
49022
49023
49024
49025
49026
49027
49028
.....
51298
51299
51300
51301
51302
51303
51304



51305
51306
51307
51308
51309
51310
51311
.....
54247
54248
54249
54250
54251
54252
54253


54254

54255



54256
54257
54258
54259
54260
54261
54262
.....
57629
57630
57631
57632
57633
57634
57635
57636
57637




57638
57639
57640
57641
57642
57643
57644
.....
58158
58159
58160
58161
58162
58163
58164
58165
58166
58167
58168
58169
58170
58171
58172
.....
58759
58760
58761
58762
58763
58764
58765
58766
58767
58768
58769
58770
58771
58772
58773
.....
58863
58864
58865
58866
58867
58868
58869

58870
58871
58872
58873
58874
58875
58876
.....
59170
59171
59172
59173
59174
59175
59176

59177
59178
59179
59180
59181
59182
59183
59184
59185
59186
59187
59188
59189
59190
59191

59192
59193
59194
59195
59196
59197
59198
.....
59798
59799
59800
59801
59802
59803
59804
59805
59806
59807
59808
59809
59810
59811
59812
.....
62334
62335
62336
62337
62338
62339
62340
62341
62342
62343
62344
62345
62346
62347
62348
.....
63888
63889
63890
63891
63892
63893
63894
63895
63896
63897
63898
63899
63900
63901



63902

63903
63904
63905
63906
63907
63908
63909
.....
64476
64477
64478
64479
64480
64481
64482
64483
64484
64485
64486
64487
64488
64489
64490
64491
64492
64493
64494
64495
64496
64497
64498

64499
64500
64501
64502
64503
64504
64505
.....
64510
64511
64512
64513
64514
64515
64516


64517

64518
64519
64520
64521
64522
64523
64524
.....
64561
64562
64563
64564
64565
64566
64567

64568
64569
64570
64571
64572
64573
64574
.....
64588
64589
64590
64591
64592
64593
64594
64595
64596
64597
64598
64599
64600
64601
64602
64603
64604
64605
64606
64607
64608
64609
64610
64611
64612
64613
64614
64615
64616
64617
64618
64619
64620
64621
64622
64623




64624
64625
64626
64627
64628
64629
64630
64631
64632
64633
64634
64635

64636
64637

64638





64639
64640
64641
64642
64643
64644
64645
.....
64681
64682
64683
64684
64685
64686
64687
64688
64689
64690
64691
64692
64693
64694
64695
64696
64697
.....
64705
64706
64707
64708
64709
64710
64711

64712
64713
64714
64715
64716
64717
64718
64719
64720
64721
64722
64723
64724
64725
64726
64727
.....
64732
64733
64734
64735
64736
64737
64738
64739
64740
64741
64742
64743
64744
64745
64746
.....
64894
64895
64896
64897
64898
64899
64900
64901
64902
64903
64904
64905
64906
64907
64908
64909

64910
64911
64912
64913
64914
64915
64916
64917
64918
64919
64920
64921
64922
64923
64924
64925
64926
64927

64928
64929
64930
64931
64932
64933
64934
64935
64936
64937
64938
64939
64940
64941
64942
64943
64944
64945
64946
64947
64948
64949
64950
64951
64952
64953
64954
64955
64956
64957
64958
64959
64960
64961
64962
64963
64964
64965
64966
64967
64968
64969
64970

64971
64972
64973
64974
64975
64976
64977
64978
64979
64980
64981
64982
64983
64984
64985
64986
64987
64988
64989
64990
64991
64992
64993
64994
64995
64996
64997
64998
.....
65032
65033
65034
65035
65036
65037
65038


























































































65039



65040
65041
65042
65043
65044
65045
65046
.....
65175
65176
65177
65178
65179
65180
65181
65182
65183
65184
65185
65186
65187
65188
65189
65190
65191
65192
65193
65194
65195
65196
65197
65198
65199
65200
65201
65202
65203
65204
65205
65206
65207
65208
65209


65210
65211
65212
65213
65214
65215
65216
.....
68283
68284
68285
68286
68287
68288
68289
68290
68291
68292
68293
68294
68295
68296
68297
68298
68299
68300
68301
68302
68303
68304
68305
68306
68307
68308
68309
68310
68311
68312
68313
.....
68565
68566
68567
68568
68569
68570
68571
68572
68573
68574
68575
68576
68577
68578
68579
.....
69197
69198
69199
69200
69201
69202
69203
69204
69205
69206
69207
69208
69209

69210

69211
69212
69213
69214
69215
69216
69217
.....
69614
69615
69616
69617
69618
69619
69620

69621
69622
69623
69624
69625
69626
69627
.....
69684
69685
69686
69687
69688
69689
69690

69691
69692
69693
69694
69695
69696
69697
.....
69741
69742
69743
69744
69745
69746
69747
69748
69749
69750
69751
69752
69753
69754
69755
.....
69828
69829
69830
69831
69832
69833
69834
69835
69836





69837
69838
69839
69840
69841
69842
69843
.....
70158
70159
70160
70161
70162
70163
70164
70165
70166

70167
70168
70169
70170
70171
70172
70173
.....
70235
70236
70237
70238
70239
70240
70241
70242
70243


70244
70245
70246
70247
70248
70249
70250
.....
70406
70407
70408
70409
70410
70411
70412

70413
70414
70415
70416
70417
70418
70419
.....
70514
70515
70516
70517
70518
70519
70520

70521
70522
70523
70524
70525
70526
70527
.....
70553
70554
70555
70556
70557
70558
70559
70560






70561
70562
70563
70564
70565
70566
70567
.....
70597
70598
70599
70600
70601
70602
70603

70604
70605
70606
70607
70608
70609
70610
70611
70612
70613
70614
70615
70616
70617
70618
70619
70620
70621
.....
70747
70748
70749
70750
70751
70752
70753



70754
70755
70756
70757
70758

70759
70760
70761
70762
70763
70764
70765
.....
70977
70978
70979
70980
70981
70982
70983
70984
70985
70986
70987
70988
70989
70990
70991
70992


70993
70994
70995
70996
70997
70998
70999
71000
71001
71002
.....
71003
71004
71005
71006
71007
71008
71009
71010
71011
71012
71013
71014
71015
71016
71017
.....
71154
71155
71156
71157
71158
71159
71160

71161
71162
71163
71164
71165
71166
71167
71168
.....
71253
71254
71255
71256
71257
71258
71259
71260
71261
71262
71263
71264
71265
71266
71267
.....
71295
71296
71297
71298
71299
71300
71301

71302
71303
71304
71305
71306
71307
71308
.....
71323
71324
71325
71326
71327
71328
71329



71330
71331
71332
71333
71334
71335
71336
.....
71669
71670
71671
71672
71673
71674
71675




71676
71677
71678
71679
71680
71681
71682
.....
71811
71812
71813
71814
71815
71816
71817
71818




71819
71820
71821
71822
71823
71824
71825

71826
71827
71828
71829
71830
71831
71832
.....
71889
71890
71891
71892
71893
71894
71895




71896
71897
71898
71899
71900
71901
71902
.....
72247
72248
72249
72250
72251
72252
72253



72254
72255
72256
72257
72258
72259
72260
.....
72595
72596
72597
72598
72599
72600
72601
72602
72603
72604
72605
72606
72607
72608
72609
72610
72611
72612
.....
72780
72781
72782
72783
72784
72785
72786





72787
72788
72789
72790
72791
72792
72793
.....
72852
72853
72854
72855
72856
72857
72858
72859
72860
72861
72862
72863
72864
72865
72866
.....
72912
72913
72914
72915
72916
72917
72918
72919
72920
72921
72922
72923
72924
72925
72926
72927
72928
72929
72930
72931
72932
72933
72934
72935
72936
72937
72938
.....
74268
74269
74270
74271
74272
74273
74274
74275
74276
74277
74278
74279
74280
74281
74282
.....
74389
74390
74391
74392
74393
74394
74395
74396
74397
74398
74399
74400
74401
74402
74403
74404
.....
74409
74410
74411
74412
74413
74414
74415
74416
74417
74418
74419
74420
74421
74422
74423
.....
74511
74512
74513
74514
74515
74516
74517
74518

74519
74520
74521
74522
74523
74524

74525
74526
74527
74528
74529
74530
74531
.....
75258
75259
75260
75261
75262
75263
75264
75265
75266
75267
75268
75269
75270
75271
75272
75273
75274
75275
75276
75277
75278
75279
75280
75281
75282
75283
75284
75285
75286
75287
75288
75289
75290
75291
75292
75293
75294
75295
75296
75297




75298
75299

75300
75301
75302
75303
75304
75305
75306
.....
76260
76261
76262
76263
76264
76265
76266
76267

76268

76269
76270
76271
76272
76273
76274
76275
76276
.....
76742
76743
76744
76745
76746
76747
76748

76749
76750
76751
76752
76753
76754
76755
.....
77049
77050
77051
77052
77053
77054
77055
77056
77057
77058
77059
77060
77061
77062
77063
.....
78170
78171
78172
78173
78174
78175
78176
78177
78178
78179
78180
78181
78182
78183
78184
78185
78186
.....
78192
78193
78194
78195
78196
78197
78198
78199
78200
78201
78202
78203
78204
78205
78206
.....
81149
81150
81151
81152
81153
81154
81155
81156
81157
81158
81159
81160
81161
81162
81163
.....
81356
81357
81358
81359
81360
81361
81362





81363
81364
81365
81366
81367
81368
81369
.....
82202
82203
82204
82205
82206
82207
82208
82209
82210
82211
82212
82213
82214
82215
82216
82217
82218
82219
.....
82226
82227
82228
82229
82230
82231
82232






82233

82234
82235
82236
82237
82238
82239
82240
82241
.....
82244
82245
82246
82247
82248
82249
82250
82251
82252
82253
82254
82255
82256
82257
82258
82259
82260
82261
82262
82263
82264
.....
82269
82270
82271
82272
82273
82274
82275
82276
82277
82278
82279
82280
82281
82282
82283
82284
82285
82286
82287
82288
82289
82290
82291
82292
82293
82294
82295
82296
82297
82298
82299
82300
82301
82302
82303
82304
82305
82306
82307
82308
82309
82310
82311
82312
82313
82314
82315
82316
82317
82318
82319
82320
82321
82322
82323
82324
82325
82326
82327
82328
82329
82330
82331
82332
82333
82334
82335
82336
82337
82338
82339
.....
82692
82693
82694
82695
82696
82697
82698








82699
82700
82701
82702
82703
82704
82705
.....
83382
83383
83384
83385
83386
83387
83388
83389
83390
83391
83392
83393
83394








83395
83396
83397
83398
83399
83400
83401
83402
83403
83404
83405
83406
83407
83408
83409
83410
83411
83412
83413
83414
.....
83424
83425
83426
83427
83428
83429
83430












83431
83432
83433
83434
83435
83436
83437
.....
83971
83972
83973
83974
83975
83976
83977









83978
83979
83980
83981
83982
83983
83984
83985
83986
83987
83988
83989
83990
83991
83992
83993
83994
83995
83996
83997
83998
83999
84000
84001
84002
84003
84004
84005
84006
.....
84168
84169
84170
84171
84172
84173
84174
84175
84176
84177
84178

84179
84180
84181
84182
84183
84184
84185
.....
84450
84451
84452
84453
84454
84455
84456

84457
84458
84459
84460
84461
84462
84463
84464
84465
84466
84467
84468
84469
84470
84471
84472
84473
84474
84475
84476
.....
84584
84585
84586
84587
84588
84589
84590

84591


84592
84593
84594
84595
84596
84597
84598
.....
84717
84718
84719
84720
84721
84722
84723
84724
84725
84726
84727
84728
84729
84730
84731
84732
84733
84734
84735
84736
84737
84738
84739
84740
84741
84742
.....
85094
85095
85096
85097
85098
85099
85100
85101
85102

85103
85104
85105
85106
85107
85108
85109
85110

85111
85112
85113
85114
85115
85116
85117
.....
85278
85279
85280
85281
85282
85283
85284
85285
85286
85287
85288
85289
85290
85291
85292
85293
85294
85295
85296
85297
85298
85299
85300
85301
.....
85405
85406
85407
85408
85409
85410
85411
85412
85413
85414
85415
85416
85417
85418
85419
.....
85955
85956
85957
85958
85959
85960
85961
85962
85963
85964
85965
85966

85967
85968
85969
85970
85971
85972
85973
85974
85975
85976
85977
.....
86966
86967
86968
86969
86970
86971
86972

86973
86974
86975
86976
86977
86978
86979
.....
88474
88475
88476
88477
88478
88479
88480
88481
88482
88483
88484
88485
88486
88487
88488
88489
88490
88491
88492
88493
88494
88495
88496
88497
88498
88499
88500
88501
88502

88503
88504
88505
88506
88507
88508
88509
.....
88510
88511
88512
88513
88514
88515
88516
88517
88518
88519
88520
88521
88522
88523
88524
88525
88526
.....
89522
89523
89524
89525
89526
89527
89528
89529
89530
89531
89532
89533
89534
89535
89536
89537
.....
89895
89896
89897
89898
89899
89900
89901

89902
89903
89904
89905
89906
89907
89908
.....
90932
90933
90934
90935
90936
90937
90938
90939









90940
90941
90942
90943
90944
90945
90946
.....
92019
92020
92021
92022
92023
92024
92025
92026
92027
92028
92029
92030
92031
92032
92033
.....
93310
93311
93312
93313
93314
93315
93316



93317
93318

93319
93320
93321
93322
93323
93324

93325

93326
93327
93328
93329
93330
93331
93332
.....
95304
95305
95306
95307
95308
95309
95310




95311
95312
95313
95314
95315
95316
95317
.....
95595
95596
95597
95598
95599
95600
95601

95602
95603
95604
95605
95606
95607
95608
.....
95716
95717
95718
95719
95720
95721
95722



95723
95724

95725
95726
95727
95728
95729
95730
95731
.....
95738
95739
95740
95741
95742
95743
95744
95745
95746
95747
95748
95749
95750
95751
95752
.....
95756
95757
95758
95759
95760
95761
95762
95763
95764

95765
95766
95767
95768
95769
95770
95771
.....
96294
96295
96296
96297
96298
96299
96300
96301
96302
96303
96304
96305
96306
96307
96308
.....
96426
96427
96428
96429
96430
96431
96432

96433
96434
96435
96436
96437
96438
96439
96440
96441
96442

96443
96444
96445
96446
96447
96448
96449
.....
96516
96517
96518
96519
96520
96521
96522
96523
96524
96525
96526
96527
96528
96529
96530
96531
.....
96533
96534
96535
96536
96537
96538
96539


96540

96541
96542
96543
96544
96545
96546
96547
96548
96549
.....
97491
97492
97493
97494
97495
97496
97497
97498
97499
97500
97501
97502
97503
97504
97505
.....
97956
97957
97958
97959
97960
97961
97962
97963
97964
97965
97966
97967
97968
97969
97970
.....
98221
98222
98223
98224
98225
98226
98227
98228
98229
98230
98231
98232
98233
98234
98235
......
101666
101667
101668
101669
101670
101671
101672











101673
101674
101675
101676
101677
101678
101679
......
102247
102248
102249
102250
102251
102252
102253
102254
102255
102256
102257
102258
102259
102260
102261
102262

102263
102264
102265
102266
102267
102268
102269
......
102324
102325
102326
102327
102328
102329
102330
102331
102332
102333
102334
102335
102336
102337
102338
......
102645
102646
102647
102648
102649
102650
102651

102652
102653
102654
102655
102656
102657
102658
......
105899
105900
105901
105902
105903
105904
105905

105906

105907
105908
105909
105910
105911
105912
105913
105914
105915
105916
105917
105918
......
106833
106834
106835
106836
106837
106838
106839
106840





106841
106842
106843
106844
106845
106846
106847
......
107973
107974
107975
107976
107977
107978
107979

107980
107981
107982
107983
107984
107985
107986
107987
......
108394
108395
108396
108397
108398
108399
108400

108401
108402
108403
108404
108405
108406
108407
......
108563
108564
108565
108566
108567
108568
108569





108570
108571
108572
108573
108574
108575
108576
......
109716
109717
109718
109719
109720
109721
109722

109723
109724
109725
109726
109727
109728
109729
109730
109731
109732
109733
109734
109735
109736
......
109826
109827
109828
109829
109830
109831
109832

109833
109834
109835
109836
109837
109838
109839
......
109844
109845
109846
109847
109848
109849
109850

109851
109852
109853
109854
109855
109856
109857
......
110327
110328
110329
110330
110331
110332
110333
110334
110335
110336
110337
110338
110339
110340
110341
110342
110343
110344
110345
110346
110347
110348
110349
110350
110351
110352
110353
......
110450
110451
110452
110453
110454
110455
110456
110457
110458
110459
110460
110461
110462
110463
110464
......
110957
110958
110959
110960
110961
110962
110963
110964

110965
110966
110967
110968
110969
110970
110971
......
111206
111207
111208
111209
111210
111211
111212
111213
111214
111215
111216
111217
111218
111219
111220
......
114513
114514
114515
114516
114517
114518
114519




114520
114521
114522
114523
114524
114525
114526
......
117836
117837
117838
117839
117840
117841
117842

117843

117844
117845
117846
117847
117848
117849
117850
......
118440
118441
118442
118443
118444
118445
118446







118447
118448
118449
118450
118451
118452
118453
......
118517
118518
118519
118520
118521
118522
118523
118524
118525
118526
118527
118528
118529
118530
118531
......
118580
118581
118582
118583
118584
118585
118586
118587
118588
118589
118590
118591
118592
118593
118594
......
119092
119093
119094
119095
119096
119097
119098



119099
119100
119101
119102
119103
119104
119105
......
119381
119382
119383
119384
119385
119386
119387



119388
119389
119390
119391
119392
119393
119394
......
119840
119841
119842
119843
119844
119845
119846
119847
119848
119849
119850



119851
119852
119853
119854
119855
119856
119857
......
129623
129624
129625
129626
129627
129628
129629
129630
129631
129632
129633
129634
129635
129636
129637
......
133715
133716
133717
133718
133719
133720
133721
133722
133723
133724
133725
133726
133727
133728
133729
133730
133731
133732
133733
133734

133735
133736
133737
133738
133739
133740
133741
133742
133743
133744
133745
133746
133747
133748
133749
133750

133751
133752
133753
133754
133755
133756


133757
133758
133759
133760
133761
133762
133763
......
133788
133789
133790
133791
133792
133793
133794

133795
133796
133797
133798
133799
133800
133801
133802
133803
133804
133805
133806
133807

133808
133809
133810
133811
133812
133813
133814
......
134289
134290
134291
134292
134293
134294
134295
134296
134297
134298




134299
134300
134301
134302
134303
134304
134305
......
134326
134327
134328
134329
134330
134331
134332
134333
134334
134335
134336
134337
134338
134339
134340
134341
134342
......
134361
134362
134363
134364
134365
134366
134367
134368
134369
134370
134371
134372
134373
134374
134375
......
134650
134651
134652
134653
134654
134655
134656
134657

134658
134659
134660
134661
134662
134663
134664
......
135146
135147
135148
135149
135150
135151
135152
135153
135154
135155
135156
135157
135158
135159
135160
135161
135162
......
136985
136986
136987
136988
136989
136990
136991




























136992
136993
136994
136995
136996
136997
136998
......
137594
137595
137596
137597
137598
137599
137600








137601
137602
137603
137604
137605
137606
137607
......
137758
137759
137760
137761
137762
137763
137764





137765
137766
137767
137768
137769
137770
137771
137772
......
137988
137989
137990
137991
137992
137993
137994


137995
137996
137997
137998
137999
138000
138001
138002
138003
......
139591
139592
139593
139594
139595
139596
139597






139598
139599
139600
139601
139602
139603
139604
......
143007
143008
143009
143010
143011
143012
143013
143014
143015
143016
143017
143018
143019
143020
143021
143022
143023
143024
143025
......
145244
145245
145246
145247
145248
145249
145250


























































































145251
145252
145253
145254
145255
145256
145257
......
145279
145280
145281
145282
145283
145284
145285
145286
145287
145288
145289
145290
145291
145292
145293
145294
145295

145296
145297
145298
145299
145300
145301
145302
145303
145304
145305










145306
145307
145308
145309
145310

145311
145312
145313
145314
145315
145316
145317
145318
145319

145320
145321
145322
145323
145324
145325
145326
145327
145328
145329
145330
145331
145332
145333
145334

145335
145336
145337
145338
145339
145340
145341










145342
145343
145344
145345
145346
145347
145348
145349
145350

145351
145352
145353
145354
145355
145356
145357
......
145358
145359
145360
145361
145362
145363
145364
145365
145366
145367
145368
145369
145370
145371
145372
145373
145374
145375
145376
145377
145378
145379
145380
145381
145382
145383
145384
145385
145386











145387
145388
145389
145390
145391
145392
145393
145394
145395
145396
145397
145398
145399
145400
145401
145402
145403
145404
145405
145406
145407
145408
145409

145410
145411
145412
145413
145414
145415
145416
......
145452
145453
145454
145455
145456
145457
145458
145459
145460
145461
145462
145463
145464
145465
145466
......
145542
145543
145544
145545
145546
145547
145548
145549
145550
145551
145552
145553
145554
145555
145556
145557
145558
145559
145560
145561
145562
145563











145564
145565
145566
145567
145568
145569
145570
......
145581
145582
145583
145584
145585
145586
145587
145588
145589
145590
145591
145592
145593
145594
145595
145596
145597
145598
145599
145600
145601
145602
145603



145604








145605
145606
145607
145608
145609
145610
145611

















145612
145613
145614
145615
145616

145617
145618
145619



145620
145621
145622
145623
145624
145625
145626
145627
145628
145629



145630
145631
145632
145633
145634
145635
145636
......
145827
145828
145829
145830
145831
145832
145833

145834
145835
145836
145837
145838
145839
145840
......
145882
145883
145884
145885
145886
145887
145888



145889
145890
145891
145892
145893
145894
145895
......
145902
145903
145904
145905
145906
145907
145908

145909
145910
145911
145912
145913
145914
145915
......
145938
145939
145940
145941
145942
145943
145944
145945
145946
145947
145948
145949

145950
145951

145952
145953
145954
145955
145956
145957
145958
145959
145960
145961
145962

145963
145964
145965
145966
145967
145968
145969
145970
145971
145972
145973
145974
145975
......
145981
145982
145983
145984
145985
145986
145987
145988
145989
145990
145991
145992
145993
145994
145995
145996





145997
145998
145999
146000
146001
146002
146003
146004
146005































































146006
146007
146008
146009
146010
146011
146012
......
146028
146029
146030
146031
146032
146033
146034
146035
146036
146037

146038
146039
146040
146041
146042
146043
146044
......
146047
146048
146049
146050
146051
146052
146053




146054
146055
146056
146057
146058
146059













146060
146061
146062
146063
146064
146065
146066
......
146081
146082
146083
146084
146085
146086
146087
146088
146089
146090
146091
146092
146093
146094
146095
146096
146097
146098
146099
146100






146101
146102
146103
146104
146105
146106
146107
146108
146109
146110
146111
146112
146113


146114
146115
146116
146117
146118

146119










146120


146121
146122
146123

146124
146125
146126
146127


146128
146129
146130
146131
146132
146133
146134
......
146160
146161
146162
146163
146164
146165
146166
146167
146168
146169
146170
146171
146172
146173
146174
146175
146176
146177
146178

146179

146180
146181
146182
146183
146184
146185
146186
146187

146188
146189
146190
146191
146192
146193
146194
146195

146196
146197
146198
146199
146200
146201
146202
146203
146204
......
146207
146208
146209
146210
146211
146212
146213
146214
146215
146216
146217
146218
146219
146220
146221
146222
146223
146224
146225
146226
146227
146228
146229
146230
146231
146232
146233
146234
146235
146236
146237
146238
146239
146240
146241
146242
146243
146244
146245
146246
146247
146248
146249
146250
146251
146252
146253
146254
146255





















146256





























146257
146258
146259
146260
146261
146262


146263
146264
146265
146266

146267
146268
146269
146270
146271
146272
146273
146274
146275
146276
146277
146278

146279

146280
146281
146282
146283
146284
146285
146286
146287
146288
146289
146290
146291
146292
146293
146294
146295
146296
146297
146298
146299
146300
146301
146302
146303
146304
146305
146306
146307
146308
146309
146310
146311
146312
146313
146314
146315
146316
146317
146318
146319
146320
146321
146322
146323
146324
146325
146326
146327
146328
146329
146330
146331
146332
146333
146334
146335
146336
146337
146338
146339
146340
146341
146342
146343
146344
146345
146346
146347
146348
146349
146350
146351
146352
146353
146354






























146355
146356
146357
146358
146359
146360
146361
......
146363
146364
146365
146366
146367
146368
146369
146370
146371
146372
146373
146374
146375
146376





146377

146378
146379
146380
146381
146382
146383
146384
146385
146386
146387
146388
146389
146390
146391
146392
146393
146394
146395
146396
146397
146398
146399
146400
146401
146402
146403
146404
146405
146406
146407
146408

146409
146410
146411
146412
146413
146414
146415
146416
146417
146418
146419
146420
146421
146422
146423
146424
146425
146426
146427
146428
146429
146430
146431
146432
146433
146434
146435
146436
146437
146438
146439
146440
146441
146442
146443
146444
146445
146446
146447
146448
146449
146450
146451
146452
146453
146454
146455
146456
146457
146458
146459
146460
146461
146462
146463
146464
146465
146466
146467
146468
146469
146470
146471
146472
146473
146474
146475
146476
146477
146478
146479
146480
......
146484
146485
146486
146487
146488
146489
146490
146491
146492
146493
146494
146495
146496
146497
146498
146499
146500
146501
146502
146503
146504
146505
146506
146507
146508
146509
146510
146511
146512
146513
146514
146515
146516
146517
146518
146519
146520
146521
146522
146523
146524
146525
146526
146527
146528
146529
146530
146531
146532
146533
146534
146535
146536
146537
146538
146539
146540
146541
146542
146543
146544
146545
146546
146547
146548
146549
146550
146551
146552
146553
146554
146555
146556
146557
146558
146559
146560
146561
146562
146563
146564
146565
146566
146567
146568
146569
146570
146571
146572
146573
146574
146575
146576
146577
146578
146579
146580
146581
146582
146583
146584
146585
146586
146587
146588
146589
146590
146591
146592
146593
146594
146595
146596
146597
146598
146599
146600
146601
146602
146603
146604
146605
146606
146607
146608
146609
146610
146611
146612
146613
146614
146615
146616
146617
146618
146619
146620
146621
146622
146623
146624
146625
146626
146627
146628
146629
146630
146631
146632
146633
146634
146635
146636
146637
146638
146639
146640
146641
146642
146643
146644
146645
146646
146647
146648
146649
146650
146651
146652
146653
146654
146655
146656
146657
146658
146659
146660
146661
146662
146663
146664
146665
146666
146667
146668
146669
146670
146671
146672
146673
146674
146675
146676
146677
146678
146679
146680
146681
146682
146683
146684
146685
146686
146687
146688
146689
146690
146691
146692
146693
146694
146695
146696
146697
146698
146699
146700
146701
146702
146703
146704
146705
146706
146707
146708
146709
146710
146711
146712
146713
146714
146715
146716
146717
146718
146719
146720
146721
146722
146723
146724
146725
146726
146727
146728
146729
146730
146731
146732
146733
146734
146735
146736
146737
146738
146739
146740
146741
146742
146743
146744
146745
146746
146747
146748
146749
146750
146751
146752
146753
146754
146755
146756
146757
146758
146759
146760
146761
146762
146763
146764
146765
146766
146767
146768
146769
146770
146771
146772
146773
146774
146775
146776
146777
146778
146779
146780
146781
146782
146783
146784
146785
146786
146787
146788
146789
146790
146791
146792
146793
146794
146795
146796
146797
146798
146799
146800
146801
146802
146803
146804
146805
146806
146807
146808
146809
146810
146811
146812
146813
146814
146815
146816
146817
146818
146819
146820
146821
146822
146823
146824
146825
146826
146827
146828
146829
146830
146831
146832
146833
146834
146835
146836
146837
146838
146839
146840
146841
146842
146843
146844
146845
146846
146847
146848
146849
146850
146851
146852
146853
146854
146855
146856
146857
146858
146859
146860
146861
146862
146863
146864
146865
146866
146867
146868
146869
146870
146871
146872
146873
146874
146875
146876
146877
146878
146879
146880
146881
146882
146883
146884
146885
146886
146887
146888
146889
146890
146891
146892
146893
146894
146895
146896
146897
146898
146899
146900
146901
146902
146903
146904
146905
146906
146907
146908
146909
146910
146911
146912
146913
146914
146915
146916
146917
146918
146919
146920
146921
146922
146923
146924
146925
146926
146927
146928
146929
146930
146931
146932
146933
146934
146935
146936
146937
146938
146939
146940
146941
146942
146943
146944
146945
146946
146947
146948
146949
146950
146951
146952
146953
146954
146955
146956
146957
146958
146959
146960
146961
146962
146963
146964
146965
146966
146967
146968
146969
146970
146971
146972
146973
146974
146975
146976
146977
146978
146979
146980
146981
146982
146983
146984
146985
146986
146987
146988
146989
146990
146991
146992
146993
146994
146995
146996
146997
146998
146999
147000
147001
147002
147003
147004
147005
147006
147007
147008
147009
147010
147011
147012
147013
147014
147015
147016
147017
147018
147019
147020
147021
147022
147023
147024
147025
147026
147027
147028
147029
147030
147031
147032
147033
147034
147035
147036
147037
147038
147039
147040
147041
147042
147043
147044
147045
147046
147047
147048
147049
147050
147051
147052
147053
147054
147055
147056
147057
147058
147059
147060
147061
147062
147063
147064
147065
147066
147067
147068
147069
147070
147071
147072
147073
147074
147075
147076
147077
147078
147079
147080
147081
147082
147083
147084
147085
147086
147087
147088
147089
147090
147091
147092
147093
147094
147095
147096
147097
147098
147099
147100
147101
147102
147103
147104
147105
147106
147107
147108
147109
147110
147111
147112
147113
147114
147115
147116
147117
147118
147119
147120
147121
147122
147123
147124
147125
147126
147127
147128
147129
147130
147131
147132
147133
147134
147135
147136
147137
147138
147139
147140
147141
147142
147143
147144
147145
147146
147147
147148
147149
147150
147151
147152
147153
147154
147155
147156
147157
147158
147159
147160
147161
147162
147163
147164
147165
147166
147167
147168
147169
147170
147171
147172
147173
147174
147175
147176
147177
147178
147179
147180
......
147183
147184
147185
147186
147187
147188
147189
147190
147191
147192

147193
147194
147195
147196
147197
147198
147199
......
147211
147212
147213
147214
147215
147216
147217
147218
147219




















147220
147221
147222
147223
147224

147225
147226
147227
147228








147229
147230
147231
147232
147233
147234
147235
147236
147237




147238
147239





147240
147241

























147242
147243
147244
147245
147246

147247
147248



147249
147250



147251
147252
147253
147254
147255



147256
147257
147258







147259
147260








































































147261




















































































147262
147263
147264
147265
147266
147267




































































































147268
147269
147270






147271
147272
147273
147274
147275










147276









147277




147278












147279
147280
147281
147282
147283
147284
147285
147286
147287

















147288
147289


147290







147291


147292
147293




147294
147295
147296
147297
147298




































































































































147299
147300
147301


147302






































































































147303
147304
147305
147306
147307
147308
147309
......
147484
147485
147486
147487
147488
147489
147490




147491
147492
147493
147494
147495
147496
147497
......
147547
147548
147549
147550
147551
147552
147553
147554
147555
147556
147557
147558
147559
147560
147561
147562
147563
147564
147565
147566
147567
147568
147569
147570
147571
147572
147573
147574

147575
147576
147577
147578
147579
147580
147581
......
147583
147584
147585
147586
147587
147588
147589
147590
147591
147592
147593
147594
147595
147596
147597
147598
147599
147600
147601
147602
147603
147604
147605
147606
147607
......
147660
147661
147662
147663
147664
147665
147666
147667
147668
147669
147670
147671
147672
147673
147674
147675
147676
147677
147678
147679
147680
147681
147682
147683
147684
147685
147686
147687
147688
147689
147690
147691
147692
147693
147694
147695
147696
147697
147698
147699
147700
147701
147702
147703
147704
147705
147706
147707
147708
147709
147710
147711
147712
147713
147714
147715
147716
147717
147718
147719
147720
147721
147722
147723
147724
147725
147726
147727
147728
147729
147730
147731
147732
147733
147734
147735
147736
147737
147738
147739
147740
147741
147742
147743
147744
147745
147746
147747
147748
147749
147750
147751
147752
147753
147754
147755
147756
147757
147758
147759
147760
147761
147762
147763
147764
147765
147766
147767
147768
147769
147770
147771
147772
147773
147774
147775
147776
147777
147778
147779
147780
147781
147782
147783
147784
147785
147786
147787
147788
147789
147790
147791
147792
147793
147794
147795
147796
147797
147798
147799
147800
147801
147802
147803
147804
147805
147806
147807
147808
147809
147810
147811
147812
147813
147814
147815
147816
147817
147818
147819
147820
147821
147822
147823
147824
147825
147826
147827
147828
147829
147830
147831
147832
147833
147834
147835
147836
147837
147838
147839
147840
147841
147842
147843
147844
147845
147846
147847
147848
147849
147850
147851
147852
147853
147854
147855
147856
147857
147858
147859
147860
147861
147862
147863
147864
147865
147866
147867
147868
147869
147870
147871
147872
147873
147874
147875
147876
147877
147878
147879
147880
147881
147882
147883
147884
147885
147886
147887
147888
147889
147890
147891
147892
147893
147894
147895
147896
147897
147898
147899
147900
147901
147902
147903
147904
147905
147906
147907
147908
147909
147910
147911
147912
147913
147914
147915
147916
147917
147918
147919
147920
147921
147922
147923
147924
147925
147926
147927
147928
147929
147930
147931
147932
147933
147934
147935
147936
147937
147938
147939
147940
147941
147942
147943
147944
147945
147946
147947
147948
147949
147950
147951
147952
147953
147954
147955
147956
147957
147958
147959
147960
147961
147962
147963
147964
147965
147966
147967
147968
147969
147970
147971
147972
147973
147974
147975
147976
147977
147978
147979
147980
147981
147982
147983
147984
147985
147986
147987
147988
147989
147990
147991
147992
147993
147994
147995
147996
147997
147998
147999
148000
148001
148002
148003
148004
148005
148006
148007
148008
148009
148010
148011
148012
148013
148014
148015
148016
148017
148018
148019
148020
148021
148022
148023
148024
148025
148026
148027
148028
148029
148030
148031
148032
148033
148034
148035
148036
148037
148038
148039
148040
148041
148042
148043
148044
148045
148046
148047
148048
148049
148050
148051
148052
148053
148054
148055
148056
148057
148058
148059
148060
148061
148062
148063
148064
148065
148066
148067
148068
148069
148070
148071
148072
148073
148074
148075
148076
148077
148078
148079
148080
148081
148082
148083
148084
148085
148086
148087
148088
148089
148090
148091
148092
148093
148094
148095
148096
148097
148098
148099
148100
148101
148102
148103
148104
148105
148106
148107
148108
148109
148110
148111
148112
148113
148114
148115
148116
148117
148118
148119
148120
148121
148122
148123
148124
148125
148126
148127
148128
148129
148130
148131
148132
148133
148134
148135
148136
148137
148138
148139
148140
148141
148142
148143
148144
148145
148146
148147
148148
148149
148150
148151
148152
148153
148154
148155
148156
148157
148158
148159
148160
148161
148162
148163
148164
148165
148166
148167
148168
148169
148170
148171
148172
148173
148174
148175
148176
148177
148178
148179
148180
148181
148182
148183
148184
148185
148186
148187
148188
148189
148190
148191
148192
148193
148194
148195
148196
148197
148198
148199
148200
148201
148202
148203
148204
148205
148206
148207
148208
148209
148210
148211
148212
148213
148214
148215
148216
148217
148218
148219
148220
148221
148222
148223
148224
148225
148226
148227
148228
148229


































148230
148231
148232
148233
148234
148235
148236
......
148330
148331
148332
148333
148334
148335
148336




148337
148338
148339
148340
148341
148342
148343
......
148508
148509
148510
148511
148512
148513
148514
148515
148516
148517
148518
148519
148520
148521
148522
148523
148524
148525
148526
148527
148528
148529
148530
148531
148532
148533
148534
148535
148536
148537
148538
148539
148540
148541
148542
148543
148544
148545
148546
148547
148548
148549
148550
148551
148552
148553
148554
148555
148556
148557
148558
148559
148560
148561
148562
148563
148564
148565
148566
148567
148568
148569
148570
148571
148572
148573
148574
148575
148576
148577
148578
148579
148580
148581
148582
148583
148584
148585
148586
148587
148588
148589
148590
148591
148592
148593
148594
148595
148596
148597
148598
148599
148600
148601
148602
148603
148604
148605
148606
148607
148608
148609
148610
148611
148612
148613
148614
148615
148616
148617
148618
148619
148620
148621
148622
148623
148624
148625
148626
148627
148628
148629
148630
148631
148632
148633
148634
148635
148636
148637
148638
148639
148640
148641
148642
148643
148644
148645
148646
148647
148648
148649
148650
148651
148652
148653
148654
148655
148656
148657
148658
148659
148660
148661
148662
148663
148664
148665
148666
148667
148668
148669
148670
148671
148672
148673
148674
148675





















148676
148677
148678
148679
148680
148681
148682
148683
148684
148685
148686
148687
148688
148689
148690
148691
148692
148693

148694
148695
148696
148697
148698
148699
148700
148701
148702
148703
148704


148705
148706
148707
148708
148709
148710
148711
......
148995
148996
148997
148998
148999
149000
149001
149002
149003
149004
149005



149006
149007
149008
149009
149010
149011
149012
149013
149014
149015
149016
149017





149018
149019
149020
149021
149022
149023
149024
149025
149026
149027
149028
149029
149030
149031
149032
149033
149034
149035
149036
149037
149038
149039
149040
149041
149042
149043
149044
149045
149046
149047
149048
149049
149050
149051
149052
149053
149054
149055
149056
149057
149058
149059
149060
149061
149062
149063
149064
149065
149066
149067
149068
149069
149070
149071
149072
149073
149074
149075
149076
149077
149078
149079
149080
149081
149082
149083
149084
149085
149086
149087
......
149199
149200
149201
149202
149203
149204
149205
149206
149207
149208
149209
149210
149211
149212
149213
149214
149215
149216
149217
149218
149219
149220
149221
149222
149223
149224
149225
149226
149227
149228
149229
149230
149231
149232
149233
149234
149235
149236
149237
149238
149239
149240
149241
149242
149243
149244
149245
149246
149247
149248
149249
149250
149251
149252
149253
149254
149255
149256
149257
149258
149259
149260
149261
149262
149263
149264
149265
149266
149267
149268
149269
149270
149271
149272
149273
149274
149275
149276
149277
149278
149279
149280
149281
149282
149283
149284
149285
149286
149287
149288
149289
149290
149291
149292
149293
149294
149295
149296
149297
149298
149299
149300
149301
149302
149303
......
149584
149585
149586
149587
149588
149589
149590
149591
149592
149593
149594
149595
149596
149597
149598
149599
149600
149601
149602
149603
149604
149605
149606
149607
149608
149609
149610
149611
149612
149613
149614
149615
149616
149617
149618
149619
149620
149621
149622
149623
149624
149625
149626
149627
149628
149629
149630
149631
149632
149633
149634
149635
149636
149637
149638
149639
149640
149641
149642
149643
149644
149645
149646
149647
149648
149649
149650
149651
149652
149653
149654
149655
149656
149657
149658
149659
149660
149661
149662
149663
149664
149665
149666
149667
149668
149669
149670
149671
149672
149673
149674
149675
149676
149677
149678
149679
149680
149681
149682
149683
149684
149685
149686
149687
149688
149689
149690
149691
149692
149693
149694
149695
149696
149697
149698
149699
149700
149701
149702
149703
149704
149705
149706
149707
149708
149709
149710
149711
149712
149713
149714
149715
149716
149717
149718
149719
149720
149721
149722
149723
149724
149725
149726
149727
149728
149729
149730
149731
149732
149733
149734
149735
149736
149737
149738
149739
149740
149741
149742
149743
149744
149745
149746
149747
149748
149749
149750
149751
149752
149753
149754
149755
149756
149757
149758
149759
149760
149761
149762
149763
149764
149765
149766
149767
149768
149769
149770
149771
149772
149773
149774
149775
149776
149777
149778
149779
149780
149781
149782
149783
149784
149785
149786
149787
149788
149789
149790
149791
149792
149793
149794
149795
149796
149797
149798
149799
149800
149801
149802
149803
149804
149805
149806
149807
149808
149809
149810
149811
149812
149813
149814
149815
149816
149817
149818
149819
149820
149821
149822
149823
149824
149825
149826
149827
149828
149829
149830
149831
149832
149833
149834
149835
149836
149837
149838
149839
149840
149841
149842
149843
149844
149845
149846
149847
149848
149849
149850
149851
149852
149853
149854
149855
149856
149857
149858
149859
149860
149861
149862
149863
149864
149865
149866
149867
149868
149869
149870
149871
149872
149873
149874
149875
149876
149877
149878
149879
149880
149881
149882
149883
149884
149885
149886
149887
149888
149889
149890
149891
149892
149893
149894
149895
149896
149897
149898
149899
149900
149901
149902
149903
149904
149905
149906
149907
149908
149909
149910
149911
149912
149913
149914
149915
149916
149917
149918
149919
149920
149921
149922
149923
149924
149925
149926
149927
149928
149929
149930
149931
149932
149933
149934
149935
149936
149937
149938
149939
149940
149941
149942
149943
149944
149945
149946
149947
149948
149949
149950
149951
149952
149953
149954
149955
149956
149957
149958
149959






149960
149961
149962
149963
149964
149965
149966
......
150248
150249
150250
150251
150252
150253
150254
150255
150256
150257
150258



150259
150260
150261
150262
150263
150264
150265
150266
150267
150268
150269
150270





150271
150272
150273
150274
150275
150276
150277
150278
150279
150280
150281
150282
150283
150284
150285
150286
150287
150288
150289
150290
150291
150292
150293
150294
150295
150296
150297
150298
150299
150300
150301
150302
150303
150304
150305
150306
150307
150308
150309
150310
150311
150312
150313
150314
150315
150316
150317
150318
150319
150320
150321
150322
150323
150324
150325
150326
150327
150328
150329
150330
150331
150332
150333
150334
150335
150336
150337
150338
150339
150340
......
150423
150424
150425
150426
150427
150428
150429
150430
150431
150432
150433
150434
150435
150436
150437

150438
150439
150440
150441
150442
150443
150444
150445
......
150454
150455
150456
150457
150458
150459
150460
150461
150462
150463
150464
150465
150466
150467
150468
......
150469
150470
150471
150472
150473
150474
150475
150476
150477
150478
150479
150480
150481
150482
150483
150484
150485
150486
150487
150488
150489
150490
150491
150492
150493
150494
150495
150496
150497
150498
150499
150500
150501
150502
150503
150504
150505
150506
150507
150508
......
150523
150524
150525
150526
150527
150528
150529
150530
150531
150532
150533
150534
150535
150536
150537
150538
150539
150540
150541
150542
150543
150544
150545
150546
150547
150548
150549
150550
150551
150552
150553
150554
150555
150556
150557
150558
150559
150560
150561
150562
150563
150564
150565
150566
150567
150568
150569
150570
150571
150572
150573
150574
150575
150576
150577
150578
150579
150580
150581
150582
150583
150584
150585
150586
150587
150588
150589
150590
150591
150592
150593
150594
150595
150596
150597
150598
150599
150600
150601
150602
150603
150604
150605
150606
150607
150608
150609
150610
150611
150612
150613
150614
150615
150616
150617
150618
150619
150620
150621
150622
150623
150624
150625
150626
150627
150628
150629
150630
150631
150632
150633
150634
150635
150636
150637
150638
150639
150640
150641
150642
150643
150644
150645
150646
150647
150648
150649
150650
150651
150652
150653
150654
150655
150656
150657
150658
150659
150660
150661
150662
150663
150664
150665
150666
150667
150668
150669
150670
150671
150672
150673
150674
150675
150676
150677
150678
150679
150680
150681
150682
150683
150684
150685
150686
150687
150688
150689
150690
150691
150692
150693
150694
150695
150696
150697
150698
150699
150700
150701
150702
150703
150704
150705
150706
150707
150708
150709
150710
150711
150712
150713
150714
150715
150716
150717
150718
150719
150720
150721
150722
150723
150724
150725
150726
150727
150728
150729
150730
150731
150732
150733
150734
150735
150736
150737
150738
150739
150740
150741
150742
150743
150744
150745
150746
150747
150748
150749
150750
150751
150752
150753
150754
150755
150756
150757
150758
150759
150760
150761
150762
150763
150764
150765
150766
150767
150768
150769
150770
150771
150772
150773
150774
150775
150776
150777
150778
150779
150780
150781
150782
150783
150784
150785
150786
150787
150788
150789
150790
150791
150792
150793
150794
150795
150796
150797
150798
150799
150800
150801
150802
150803
150804
150805
150806
150807
150808
150809
150810
150811
150812
150813
150814
150815
150816
150817
150818
150819
150820
150821
150822
150823
150824
150825
150826
150827
150828
150829
150830
150831
150832
150833
150834
150835
150836
150837
150838
150839
150840
150841
150842
150843
150844
150845
150846
150847
150848
150849
150850
150851
150852
150853
150854
150855
150856
150857
150858
150859
150860
150861
150862
150863
150864
150865
150866
150867
150868
150869
150870
150871
150872
150873
150874
150875
150876
150877
150878
150879
150880
150881
150882
150883
150884
150885
150886
150887
150888
150889
150890
150891
150892
150893
150894
150895
150896
150897
150898
150899
150900
150901
150902
150903
150904
150905
150906
150907
150908
150909
150910
150911
150912
150913
150914
150915
150916
150917
150918
150919
150920
150921
150922
150923
150924
150925
150926
150927
150928
150929
150930
150931
150932
150933
150934
150935
150936
150937
150938
150939
150940
150941
150942
150943
150944
150945
150946
150947
150948
150949
150950
150951
150952
150953
150954
150955
150956
150957
150958
150959
150960
150961
150962
150963
150964
150965
150966
150967
150968
150969
150970
150971
150972
150973
150974
150975
150976
150977
150978
150979
150980
150981
150982
150983
150984
150985
150986
150987
150988
150989
150990
150991
150992
150993
150994
150995
150996
150997
150998
150999
151000
151001
151002
151003
151004
151005
151006
151007
151008
151009
151010
151011
151012
151013
151014
151015
151016
151017
151018
151019
151020
151021
151022
151023
151024
151025
151026
151027
151028
151029
151030
151031
151032
151033
151034
151035
151036
151037
151038
151039
151040
151041
151042
151043
151044
151045
151046
151047
151048
151049
151050
151051
151052
151053
151054
151055
151056
151057
151058
151059
151060
151061
151062
151063
151064
151065
151066
151067
151068
151069
151070
151071
151072
151073
151074
151075
151076
151077
151078
151079
151080
151081
151082
151083
151084
151085
151086
151087
151088
151089
151090
151091
151092
151093
151094
151095
151096
151097
151098
151099
151100
151101
151102
151103
151104
151105
151106
151107
151108
151109
151110
151111
151112
151113
151114
151115
151116
151117
151118
151119
151120
151121
151122
151123
151124
151125
151126
151127
151128
151129
151130
151131
151132
151133
151134
151135
151136
151137
151138
151139
151140
151141
151142
151143
151144
151145
151146
151147
151148
151149
151150
151151
151152
151153
151154
151155
151156
151157
151158
151159
151160
151161
151162
151163
151164
151165
151166
151167
151168
151169
151170
151171
151172
151173
151174
151175
151176
151177
151178
151179
151180
151181
151182
151183
151184
151185
151186
151187
151188
151189
151190
151191
151192
151193
151194
151195
151196
151197
151198
151199
151200
151201
151202
151203
151204
151205
151206
151207
151208
151209
151210
151211
151212
151213
151214
151215
151216
151217
151218
151219
151220
151221
151222
151223
151224
151225
151226
151227
151228
151229
151230
151231
151232
151233
151234
151235
151236
151237
151238
151239
151240
151241
151242
151243
151244
151245
151246
151247
151248
151249
151250
151251
151252
151253
151254
151255
151256
151257
151258
151259
151260
151261
151262
151263
151264
151265
151266
151267
151268
151269
151270
151271
151272
151273
151274
151275
151276
151277
151278
151279
151280
151281
151282
151283
151284
151285
151286
151287
151288
151289
151290
151291
151292
151293
151294
151295
......
151298
151299
151300
151301
151302
151303
151304
151305
151306
151307
151308
151309
151310
151311
151312
151313
151314
151315
151316
151317
151318
151319
151320
151321
151322
151323
151324
151325
151326
151327
151328
151329
151330
151331
151332
151333
151334
151335
151336
151337
151338
151339
151340
151341
151342
151343
151344
151345
151346
151347
151348
151349
151350
151351
151352
151353
151354
151355
151356
151357
151358
151359
151360
151361
151362
151363
151364
151365
151366
151367
151368
151369
151370
151371
151372
151373
151374
151375
151376
151377
151378
151379
151380
151381
151382
151383
151384
151385
151386
151387
151388
151389
151390
151391
151392
151393
151394
151395
151396
151397
151398
151399
151400
151401
151402
151403
151404
151405
151406
151407
151408
151409
151410
151411
151412
151413
151414
151415
151416
151417
151418
151419
151420
151421
151422
151423
151424
151425
151426
151427
151428
151429
151430
151431
151432
151433
151434
151435
......
151443
151444
151445
151446
151447
151448
151449
151450
151451
151452
151453
151454
151455
151456
151457
151458
151459
151460
151461
151462
151463
151464
151465
151466
151467
151468
151469
151470
151471
151472
151473
151474
151475
151476
151477
151478
151479
151480
151481
151482
151483
151484
151485
151486
151487
151488
151489
151490
151491
151492
151493
151494
151495
151496
151497
151498
151499
151500
151501
......
151513
151514
151515
151516
151517
151518
151519
151520
151521
151522
151523
151524
151525
151526
151527
151528
151529
151530
151531
151532
151533
151534
151535
151536
151537
151538
151539
151540
151541
151542
151543
151544
151545
151546
151547
151548
151549
151550
151551
151552
151553
151554
151555
151556
151557
151558
151559
151560
151561
151562
151563
151564
151565
151566
151567
151568
151569
151570
151571
151572
151573
151574
151575
151576
151577
151578
......
151581
151582
151583
151584
151585
151586
151587
151588
151589
151590
151591
151592
151593
151594
151595
151596
151597
151598
151599
151600
151601
151602
151603
151604
151605
151606
151607
151608
151609
151610
151611
151612
151613
151614
151615
151616
151617
151618
151619
151620
151621
151622
151623
151624
151625
151626
151627
151628
151629
151630
151631
151632
151633
151634
151635
151636
151637
151638
151639
151640
151641
151642
151643
151644
151645
151646
151647

151648
151649
151650
151651
151652
151653
151654
151655
151656
151657
151658

151659
151660
151661
151662

151663
151664
151665
151666

151667



151668





151669
151670
151671








151672


151673
151674
151675





151676
151677
151678
151679

151680
151681
151682
151683
151684

151685
151686
151687
151688
151689
151690

151691
151692
151693
151694
151695
151696
151697
151698
151699
151700
151701
151702
151703
151704
151705
151706
151707



151708
151709
151710

151711
151712
151713
151714


151715
151716
151717

151718
151719







151720
151721
151722
151723
151724
151725

151726
151727
151728
151729
151730
151731
151732
151733
151734
151735
151736
151737
151738
151739
151740
151741
151742
151743
151744
151745
151746
151747
151748
151749
151750
151751
151752
151753
151754
151755
151756
151757
151758
151759
151760
151761
151762
151763
151764
151765
151766
151767
151768
151769
151770
151771
151772
151773
151774
151775
151776
151777
151778
151779
151780
151781
151782
151783
151784
151785
151786
151787
151788
151789
151790
151791
151792
151793
151794
151795
151796
151797
151798
151799
151800
151801
151802
151803
151804
151805
151806
151807
151808
151809
151810
151811
......
152260
152261
152262
152263
152264
152265
152266
152267
152268
152269
152270
152271
152272
152273
152274
152275
152276
152277
152278
152279
152280
152281
152282
152283
152284
152285
152286
152287
152288


152289
152290
152291
152292
152293
152294
152295
152296
152297
152298
152299
152300
152301
152302
152303
152304
152305
152306
152307
152308
152309
152310

152311
152312
152313
152314
152315
152316
152317
152318
152319
152320
152321
152322
152323
152324
152325
152326
152327
152328
152329
152330
152331
152332
152333
152334
152335

152336
152337
152338
152339
152340
152341
152342
152343
152344
152345
152346
152347
152348
152349

152350
152351
152352
152353
152354
152355
152356
152357
152358
152359
152360
152361
152362
152363
152364
152365
152366
152367
152368
152369
152370
152371
152372
152373
152374
152375
152376
152377
152378
152379
152380
152381
152382
152383
152384
152385

152386
152387
152388
152389
152390
152391
152392
152393
152394
152395
152396
152397
152398
152399
152400

152401
152402
152403
152404
152405
152406
152407
152408
152409
152410
152411
......
152443
152444
152445
152446
152447
152448
152449
152450
152451
152452
152453
152454
152455
152456
152457
152458
152459
152460
152461
152462
152463
152464
152465
152466
152467
152468
152469
152470
152471
152472
152473
152474
152475
152476
152477
152478
152479
152480
152481
152482
152483
152484
152485
152486
152487
152488
152489
152490
152491
152492
152493
152494
152495
152496
152497
152498
152499
152500
152501
152502
152503
152504
152505
152506
152507
152508
152509
152510
152511
152512
152513
152514
152515
152516
152517
152518
152519
152520
152521
152522
152523
152524
152525
152526
152527
152528
152529
152530
152531
152532
152533
152534
152535
152536
152537
152538
152539
152540
152541
152542
152543
152544
152545
152546
152547
152548
152549
152550
152551
152552
152553
152554
152555
152556
152557
152558
152559
152560




152561
152562
152563
152564
152565
152566
152567
152568
152569
152570
152571
152572
152573
152574
152575
152576
152577
152578
152579
......
152998
152999
153000
153001
153002
153003
153004

153005
153006
153007
153008
153009
153010
153011
......
153029
153030
153031
153032
153033
153034
153035


153036
153037
153038
153039
153040
153041
153042
......
153085
153086
153087
153088
153089
153090
153091

153092
153093
153094
153095
153096
153097
153098
153099
......
153153
153154
153155
153156
153157
153158
153159


153160
153161
153162
153163
153164
153165
153166
......
154389
154390
154391
154392
154393
154394
154395
154396
154397
154398
154399
154400
154401
154402
154403
......
154527
154528
154529
154530
154531
154532
154533


154534
154535
154536
154537
154538
154539
154540
......
161195
161196
161197
161198
161199
161200
161201
161202
161203
161204
161205
161206
161207
161208
161209
......
168308
168309
168310
168311
168312
168313
168314
168315
168316
168317
168318
168319
168320
168321
168322
......
168335
168336
168337
168338
168339
168340
168341

168342

168343
168344
168345
168346
168347
168348
168349
......
168423
168424
168425
168426
168427
168428
168429
168430
168431
168432
168433
168434
168435
168436
168437
168438
......
169331
169332
169333
169334
169335
169336
169337
169338
169339
169340
169341
169342
169343
169344
169345
......
170791
170792
170793
170794
170795
170796
170797

170798

170799
170800
170801
170802
170803
170804
170805
......
171193
171194
171195
171196
171197
171198
171199

171200
171201
171202
171203
171204
171205
171206
171207
171208
......
172678
172679
172680
172681
172682
172683
172684
172685

172686

172687
172688
172689
172690
172691
172692
172693
......
172806
172807
172808
172809
172810
172811
172812
172813
172814
172815
172816
172817
172818
172819
172820
......
172856
172857
172858
172859
172860
172861
172862
172863
172864
172865
172866
172867
172868
172869
172870
......
172977
172978
172979
172980
172981
172982
172983
172984
172985
172986
172987
172988
172989
172990
172991
172992
......
173044
173045
173046
173047
173048
173049
173050
173051
173052
173053
173054
173055
173056
173057
173058
173059
173060
173061
173062
173063
......
175029
175030
175031
175032
175033
175034
175035
175036
175037
175038
175039
175040
175041
175042
175043
......
175283
175284
175285
175286
175287
175288
175289
175290
175291
175292
175293

175294
175295
175296
175297
175298
175299

175300
175301
175302
175303
175304
175305
175306
175307
......
175584
175585
175586
175587
175588
175589
175590
175591
175592
175593
175594
175595
175596
175597
175598
......
176154
176155
176156
176157
176158
176159
176160
176161
176162
176163
176164
176165
176166
176167
176168
176169
......
176439
176440
176441
176442
176443
176444
176445
176446
176447
176448
176449
176450
176451
176452
176453
......
176508
176509
176510
176511
176512
176513
176514
176515
176516
176517
176518
176519
176520
176521
176522
......
176698
176699
176700
176701
176702
176703
176704
176705
176706
176707
176708
176709
176710
176711
176712
......
176808
176809
176810
176811
176812
176813
176814
176815
176816
176817
176818
176819
176820
176821
176822
......
183966
183967
183968
183969
183970
183971
183972
183973
183974
183975
183976



183977
183978
183979
183980
183981

183982
183983
183984



183985

183986
183987
183988
183989
183990
183991
183992

183993
183994
183995
183996
183997
183998
183999
184000
184001
184002
184003
184004

184005
184006
184007
184008
184009
184010
184011
184012
184013
184014

184015

184016
184017
184018
184019
184020
184021
184022
......
184773
184774
184775
184776
184777
184778
184779
184780
184781
184782
184783
184784
184785
184786
184787
......
185159
185160
185161
185162
185163
185164
185165
185166
185167
185168
185169
185170
185171
185172
185173
......
185555
185556
185557
185558
185559
185560
185561
185562
185563
185564
185565
185566
185567
185568
185569
185570
185571
185572
185573
185574
185575
185576
185577
185578
185579
185580
185581
185582
185583
......
185728
185729
185730
185731
185732
185733
185734
185735
185736
185737
185738
185739
185740
185741
185742
185743
185744
185745
185746
185747
185748
185749
185750
185751
185752
185753
......
188164
188165
188166
188167
188168
188169
188170





188171
188172
188173
188174
188175
188176
188177
......
188608
188609
188610
188611
188612
188613
188614

188615
188616
188617
188618
188619
188620
188621
......
188958
188959
188960
188961
188962
188963
188964
188965
188966
188967
188968
188969
188970
188971
188972
......
188979
188980
188981
188982
188983
188984
188985
188986
188987
188988
188989
188990
188991
188992
188993
......
189173
189174
189175
189176
189177
189178
189179

189180
189181



189182
189183
189184
189185
189186
189187
189188
......
189619
189620
189621
189622
189623
189624
189625
189626
189627
189628
189629
189630
189631
189632
189633
......
189880
189881
189882
189883
189884
189885
189886
























































189887
189888
189889
189890
189891
189892
189893
......
189910
189911
189912
189913
189914
189915
189916

189917
189918
189919
189920
189921
189922
189923

189924
189925
189926
189927
189928
189929
189930
......
189949
189950
189951
189952
189953
189954
189955
189956
189957
189958
189959
189960
189961
189962
189963
189964
189965
189966
189967
189968
189969
189970
189971
189972
189973
189974
189975
189976
189977


189978
189979
189980
189981
189982
189983
189984
189985
189986
189987

189988
189989
189990
189991
189992
189993
189994
......
192414
192415
192416
192417
192418
192419
192420
192421
192422
192423
192424
192425
192426
192427
192428
......
194925
194926
194927
194928
194929
194930
194931
194932
194933
194934
194935
194936
194937
194938
194939
......
195852
195853
195854
195855
195856
195857
195858
195859
195860
195861
195862
195863
195864
195865
195866
......
196970
196971
196972
196973
196974
196975
196976
196977
196978
196979
196980
196981
196982
196983
196984
......
197885
197886
197887
197888
197889
197890
197891
197892
197893
197894
197895
197896
197897
197898
197899
......
198274
198275
198276
198277
198278
198279
198280
198281
198282
198283
198284
198285
198286
198287
198288
......
199667
199668
199669
199670
199671
199672
199673
199674
199675
199676
199677
199678
199679
199680
199681
......
199682
199683
199684
199685
199686
199687
199688
199689
199690
199691
199692
199693
199694
199695
199696
......
200664
200665
200666
200667
200668
200669
200670

200671
200672
200673
200674
200675
200676
200677
200678
200679
......
202735
202736
202737
202738
202739
202740
202741
202742
202743
202744
202745
202746
202747
202748
202749
......
202963
202964
202965
202966
202967
202968
202969
202970
202971
202972
202973
202974
202975
202976
202977
......
203126
203127
203128
203129
203130
203131
203132
203133
203134
203135
203136
203137
203138
203139
203140
......
203350
203351
203352
203353
203354
203355
203356
203357
203358
203359
203360
203361
203362
203363
203364
......
203819
203820
203821
203822
203823
203824
203825
203826
203827
203828
203829
203830
203831
203832
203833
......
203929
203930
203931
203932
203933
203934
203935
203936
203937
203938
203939
203940
203941
203942
203943
......
205943
205944
205945
205946
205947
205948
205949
205950
205951
205952
205953
205954
205955
205956
205957
......
206019
206020
206021
206022
206023
206024
206025
206026
206027
206028
206029
206030
206031
206032
206033
......
206179
206180
206181
206182
206183
206184
206185
206186
206187
206188
206189
206190
206191
206192
206193
......
206396
206397
206398
206399
206400
206401
206402
206403
206404
206405
206406
206407
206408
206409
206410
......
207413
207414
207415
207416
207417
207418
207419
207420
207421
207422
207423
207424
207425
207426
207427
......
207497
207498
207499
207500
207501
207502
207503
207504





207505
207506

207507
207508
207509
207510
207511
207512
207513
207514
207515
207516
207517
207518
207519
207520
207521
207522
207523
207524
207525
207526
207527
207528
207529


207530
207531
207532

207533


207534
207535
207536
207537
207538
207539
207540
......
207583
207584
207585
207586
207587
207588
207589
207590
207591
207592
207593
207594
207595
207596
207597
......
207638
207639
207640
207641
207642
207643
207644
207645
207646
207647
207648
207649
207650
207651
207652
......
207755
207756
207757
207758
207759
207760
207761

207762

207763
207764
207765
207766
207767
207768
207769
......
207783
207784
207785
207786
207787
207788
207789

207790
207791

207792
207793
207794
207795
207796
207797
207798
207799
207800
207801
207802
207803
207804






207805


207806
207807


207808
207809
207810
207811
207812
207813
207814
207815
207816
......
207835
207836
207837
207838
207839
207840
207841
207842
207843
207844
207845
207846
207847
207848
207849
......
210305
210306
210307
210308
210309
210310
210311
210312
210313
210314
210315

210316
210317
210318
210319
210320


210321
210322
210323






210324
210325
210326





210327
210328

210329
210330
210331
210332
210333
210334
210335
210336
210337
210338
210339
210340
210341
210342
210343
......
210482
210483
210484
210485
210486
210487
210488
210489
210490
210491
210492
210493
210494
210495
210496
210497
......
211530
211531
211532
211533
211534
211535
211536
211537
211538
211539
211540
211541
211542
211543
211544
......
212017
212018
212019
212020
212021
212022
212023
212024

212025
212026
212027
212028
212029
212030
212031
212032
212033
212034
212035
212036
212037
......
215045
215046
215047
215048
215049
215050
215051
215052
215053
215054
215055
215056
215057
215058
215059
......
215326
215327
215328
215329
215330
215331
215332
215333
215334
215335
215336
215337
215338
215339
215340
......
216880
216881
216882
216883
216884
216885
216886
216887
216888
216889
216890
216891
216892
216893
216894
216895
216896
216897
216898
216899
216900
216901
......
216917
216918
216919
216920
216921
216922
216923
216924
216925
216926
216927
216928
216929
216930
216931
216932
216933
216934
216935
216936
216937
216938
216939
......
217060
217061
217062
217063
217064
217065
217066
217067
217068
217069
217070
217071
217072
217073
217074
......
217483
217484
217485
217486
217487
217488
217489
217490
217491
217492
217493
217494
217495
217496
217497
......
218705
218706
218707
218708
218709
218710
218711
218712
218713
218714
218715
218716
218717
218718
218719
......
220393
220394
220395
220396
220397
220398
220399
220400
220401
220402
220403
220404
220405
220406
220407
......
221824
221825
221826
221827
221828
221829
221830
221831
221832
221833
221834
221835
221836
221837
/******************************************************************************
** This file is an amalgamation of many separate C source files from SQLite
** version 3.27.2.  By combining all the individual C code files into this
** single large file, the entire code can be compiled as a single translation
** unit.  This allows many compilers to do optimizations that would not be
** possible if the files were compiled separately.  Performance improvements
** of 5% or more are commonly seen when SQLite is compiled as a single
** translation unit.
**
** This file is all you need to compile SQLite.  To use SQLite in other
................................................................................
** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.27.2"
#define SQLITE_VERSION_NUMBER 3027002
#define SQLITE_SOURCE_ID      "2019-02-25 16:06:06 bd49a8271d650fa89e446b42e513b595a717b9212c91dd384aab871fc1d0f6d7"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
**
** See also: SQL functions [sqlite_compileoption_used()] and
** [sqlite_compileoption_get()] and the [compile_options pragma].
*/
#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
SQLITE_API int sqlite3_compileoption_used(const char *zOptName);
SQLITE_API const char *sqlite3_compileoption_get(int N);



#endif

/*
** CAPI3REF: Test To See If The Library Is Threadsafe
**
** ^The sqlite3_threadsafe() function returns zero if and only if
** SQLite was compiled with mutexing code omitted due to the
................................................................................
** The second parameter is a pointer to an integer into which
** is written 0 or 1 to indicate whether triggers are disabled or enabled
** following this call.  The second parameter may be a NULL pointer, in
** which case the trigger setting is not reported back. </dd>
**
** [[SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER]]
** <dt>SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER</dt>
** <dd> ^This option is used to enable or disable the two-argument
** version of the [fts3_tokenizer()] function which is part of the
** [FTS3] full-text search engine extension.
** There should be two additional arguments.
** The first argument is an integer which is 0 to disable fts3_tokenizer() or
** positive to enable fts3_tokenizer() or negative to leave the setting
** unchanged.
** The second parameter is a pointer to an integer into which
** is written 0 or 1 to indicate whether fts3_tokenizer is disabled or enabled
................................................................................
** features include but are not limited to the following:
** <ul>
** <li> The [PRAGMA writable_schema=ON] statement.
** <li> Writes to the [sqlite_dbpage] virtual table.
** <li> Direct writes to [shadow tables].
** </ul>
** </dd>











** </dl>
*/
#define SQLITE_DBCONFIG_MAINDBNAME            1000 /* const char* */
#define SQLITE_DBCONFIG_LOOKASIDE             1001 /* void* int int */
#define SQLITE_DBCONFIG_ENABLE_FKEY           1002 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_TRIGGER        1003 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER 1004 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION 1005 /* int int* */
#define SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE      1006 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_QPSG           1007 /* int int* */
#define SQLITE_DBCONFIG_TRIGGER_EQP           1008 /* int int* */
#define SQLITE_DBCONFIG_RESET_DATABASE        1009 /* int int* */
#define SQLITE_DBCONFIG_DEFENSIVE             1010 /* int int* */

#define SQLITE_DBCONFIG_MAX                   1010 /* Largest DBCONFIG */

/*
** CAPI3REF: Enable Or Disable Extended Result Codes
** METHOD: sqlite3
**
** ^The sqlite3_extended_result_codes() routine enables or disables the
** [extended result codes] feature of SQLite. ^The extended result
................................................................................
** ^The sqlite3_stmt_readonly() interface returns true for [BEGIN] since
** [BEGIN] merely sets internal flags, but the [BEGIN|BEGIN IMMEDIATE] and
** [BEGIN|BEGIN EXCLUSIVE] commands do touch the database and so
** sqlite3_stmt_readonly() returns false for those commands.
*/
SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt);













/*
** CAPI3REF: Determine If A Prepared Statement Has Been Reset
** METHOD: sqlite3_stmt
**
** ^The sqlite3_stmt_busy(S) interface returns true (non-zero) if the
** [prepared statement] S has been stepped at least once using 
** [sqlite3_step(S)] but has neither run to completion (returned
................................................................................
** the value of the fourth parameter then the resulting string value will
** contain embedded NULs.  The result of expressions involving strings
** with embedded NULs is undefined.
**
** ^The fifth argument to the BLOB and string binding interfaces
** is a destructor used to dispose of the BLOB or
** string after SQLite has finished with it.  ^The destructor is called
** to dispose of the BLOB or string even if the call to bind API fails.


** ^If the fifth argument is
** the special value [SQLITE_STATIC], then SQLite assumes that the
** information is in static, unmanaged space and does not need to be freed.
** ^If the fifth argument has the value [SQLITE_TRANSIENT], then
** SQLite makes its own private copy of the data immediately, before
** the sqlite3_bind_*() routine returns.
**
................................................................................
** <tr><td><b>sqlite3_value_type</b><td>&rarr;<td>Default
** datatype of the value
** <tr><td><b>sqlite3_value_numeric_type&nbsp;&nbsp;</b>
** <td>&rarr;&nbsp;&nbsp;<td>Best numeric datatype of the value
** <tr><td><b>sqlite3_value_nochange&nbsp;&nbsp;</b>
** <td>&rarr;&nbsp;&nbsp;<td>True if the column is unchanged in an UPDATE
** against a virtual table.


** </table></blockquote>
**
** <b>Details:</b>
**
** These routines extract type, size, and content information from
** [protected sqlite3_value] objects.  Protected sqlite3_value objects
** are used to pass parameter information into implementation of
................................................................................
** the value for that column returned without setting a result (probably
** because it queried [sqlite3_vtab_nochange()] and found that the column
** was unchanging).  ^Within an [xUpdate] method, any value for which
** sqlite3_value_nochange(X) is true will in all other respects appear
** to be a NULL value.  If sqlite3_value_nochange(X) is invoked anywhere other
** than within an [xUpdate] method call for an UPDATE statement, then
** the return value is arbitrary and meaningless.





**
** Please pay particular attention to the fact that the pointer returned
** from [sqlite3_value_blob()], [sqlite3_value_text()], or
** [sqlite3_value_text16()] can be invalidated by a subsequent call to
** [sqlite3_value_bytes()], [sqlite3_value_bytes16()], [sqlite3_value_text()],
** or [sqlite3_value_text16()].
**
................................................................................
SQLITE_API const void *sqlite3_value_text16le(sqlite3_value*);
SQLITE_API const void *sqlite3_value_text16be(sqlite3_value*);
SQLITE_API int sqlite3_value_bytes(sqlite3_value*);
SQLITE_API int sqlite3_value_bytes16(sqlite3_value*);
SQLITE_API int sqlite3_value_type(sqlite3_value*);
SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*);
SQLITE_API int sqlite3_value_nochange(sqlite3_value*);


/*
** CAPI3REF: Finding The Subtype Of SQL Values
** METHOD: sqlite3_value
**
** The sqlite3_value_subtype(V) function returns the subtype for
** an [application-defined SQL function] argument V.  The subtype
................................................................................
** CAPI3REF: Return The Filename For A Database Connection
** METHOD: sqlite3
**
** ^The sqlite3_db_filename(D,N) interface returns a pointer to a filename
** associated with database N of connection D.  ^The main database file
** has the name "main".  If there is no attached database N on the database
** connection D, or if database N is a temporary or in-memory database, then
** a NULL pointer is returned.
**
** ^The filename returned by this function is the output of the
** xFullPathname method of the [VFS].  ^In other words, the filename
** will be an absolute pathname, even if the filename used
** to open the database originally was a URI or relative pathname.
*/
SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName);
................................................................................
** CAPI3REF: Rebase a changeset
** EXPERIMENTAL
**
** Argument pIn must point to a buffer containing a changeset nIn bytes
** in size. This function allocates and populates a buffer with a copy
** of the changeset rebased rebased according to the configuration of the
** rebaser object passed as the first argument. If successful, (*ppOut)
** is set to point to the new buffer containing the rebased changset and 
** (*pnOut) to its size in bytes and SQLITE_OK returned. It is the
** responsibility of the caller to eventually free the new buffer using
** sqlite3_free(). Otherwise, if an error occurs, (*ppOut) and (*pnOut)
** are set to zero and an SQLite error code returned.
*/
SQLITE_API int sqlite3rebaser_rebase(
  sqlite3_rebaser*,
................................................................................
**
**
** xSetAuxdata(pFts5, pAux, xDelete)
**
**   Save the pointer passed as the second argument as the extension functions 
**   "auxiliary data". The pointer may then be retrieved by the current or any
**   future invocation of the same fts5 extension function made as part of
**   of the same MATCH query using the xGetAuxdata() API.
**
**   Each extension function is allocated a single auxiliary data slot for
**   each FTS query (MATCH expression). If the extension function is invoked 
**   more than once for a single FTS query, then all invocations share a 
**   single auxiliary data context.
**
**   If there is already an auxiliary data pointer when this function is
................................................................................
**   invoked, then it is replaced by the new pointer. If an xDelete callback
**   was specified along with the original pointer, it is invoked at this
**   point.
**
**   The xDelete callback, if one is specified, is also invoked on the
**   auxiliary data pointer after the FTS5 query has finished.
**
**   If an error (e.g. an OOM condition) occurs within this function, an
**   the auxiliary data is set to NULL and an error code returned. If the
**   xDelete parameter was not NULL, it is invoked on the auxiliary data
**   pointer before returning.
**
**
** xGetAuxdata(pFts5, bClear)
**
................................................................................
** the hash table.
*/
struct Hash {
  unsigned int htsize;      /* Number of buckets in the hash table */
  unsigned int count;       /* Number of entries in this table */
  HashElem *first;          /* The first element of the array */
  struct _ht {              /* the hash table */
    int count;                 /* Number of entries with this hash */
    HashElem *chain;           /* Pointer to first entry with this hash */
  } *ht;
};

/* Each element in the hash table is an instance of the following 
** structure.  All elements are stored on a single doubly-linked list.
**
................................................................................
#define TK_WITH                            81
#define TK_CURRENT                         82
#define TK_FOLLOWING                       83
#define TK_PARTITION                       84
#define TK_PRECEDING                       85
#define TK_RANGE                           86
#define TK_UNBOUNDED                       87




#define TK_REINDEX                         88
#define TK_RENAME                          89
#define TK_CTIME_KW                        90
#define TK_ANY                             91
#define TK_BITAND                          92
#define TK_BITOR                           93
#define TK_LSHIFT                          94
#define TK_RSHIFT                          95
#define TK_PLUS                            96
#define TK_MINUS                           97
#define TK_STAR                            98
#define TK_SLASH                           99
#define TK_REM                            100
#define TK_CONCAT                         101
#define TK_COLLATE                        102
#define TK_BITNOT                         103
#define TK_ON                             104
#define TK_INDEXED                        105
#define TK_STRING                         106
#define TK_JOIN_KW                        107
#define TK_CONSTRAINT                     108
#define TK_DEFAULT                        109
#define TK_NULL                           110
#define TK_PRIMARY                        111
#define TK_UNIQUE                         112
#define TK_CHECK                          113
#define TK_REFERENCES                     114
#define TK_AUTOINCR                       115
#define TK_INSERT                         116
#define TK_DELETE                         117
#define TK_UPDATE                         118
#define TK_SET                            119
#define TK_DEFERRABLE                     120
#define TK_FOREIGN                        121
#define TK_DROP                           122
#define TK_UNION                          123
#define TK_ALL                            124
#define TK_EXCEPT                         125
#define TK_INTERSECT                      126
#define TK_SELECT                         127
#define TK_VALUES                         128
#define TK_DISTINCT                       129
#define TK_DOT                            130
#define TK_FROM                           131
#define TK_JOIN                           132
#define TK_USING                          133
#define TK_ORDER                          134
#define TK_GROUP                          135
#define TK_HAVING                         136
#define TK_LIMIT                          137
#define TK_WHERE                          138
#define TK_INTO                           139
#define TK_NOTHING                        140
#define TK_FLOAT                          141
#define TK_BLOB                           142
#define TK_INTEGER                        143
#define TK_VARIABLE                       144
#define TK_CASE                           145
#define TK_WHEN                           146
#define TK_THEN                           147
#define TK_ELSE                           148
#define TK_INDEX                          149
#define TK_ALTER                          150
#define TK_ADD                            151
#define TK_WINDOW                         152
#define TK_OVER                           153
#define TK_FILTER                         154
#define TK_TRUEFALSE                      155
#define TK_ISNOT                          156
#define TK_FUNCTION                       157
#define TK_COLUMN                         158
#define TK_AGG_FUNCTION                   159
#define TK_AGG_COLUMN                     160
#define TK_UMINUS                         161
#define TK_UPLUS                          162
#define TK_TRUTH                          163
#define TK_REGISTER                       164
#define TK_VECTOR                         165
#define TK_SELECT_COLUMN                  166
#define TK_IF_NULL_ROW                    167
#define TK_ASTERISK                       168
#define TK_SPAN                           169
#define TK_END_OF_FILE                    170
#define TK_UNCLOSED_STRING                171
#define TK_SPACE                          172
#define TK_ILLEGAL                        173

/* The token codes above must all fit in 8 bits */
#define TKFLG_MASK           0xff  

/* Flags that can be added to a token code when it is not
** being stored in a u8: */
#define TKFLG_DONTFOLD       0x100  /* Omit constant folding optimizations */

/************** End of parse.h ***********************************************/
/************** Continuing where we left off in sqliteInt.h ******************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
................................................................................
  int nData;              /* Size of pData.  0 if none. */
  int nZero;              /* Extra zero data appended after pData,nData */
};

SQLITE_PRIVATE int sqlite3BtreeInsert(BtCursor*, const BtreePayload *pPayload,
                       int flags, int seekResult);
SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor*, int *pRes);
#ifndef SQLITE_OMIT_WINDOWFUNC
SQLITE_PRIVATE void sqlite3BtreeSkipNext(BtCursor*);
#endif
SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor*, int *pRes);
SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor*, int flags);
SQLITE_PRIVATE int sqlite3BtreeEof(BtCursor*);
SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int flags);
SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*);
#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC
SQLITE_PRIVATE i64 sqlite3BtreeOffset(BtCursor*);
................................................................................
#define OP_Cast           85 /* synopsis: affinity(r[P1])                  */
#define OP_Permutation    86
#define OP_Compare        87 /* synopsis: r[P1@P3] <-> r[P2@P3]            */
#define OP_IsTrue         88 /* synopsis: r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4 */
#define OP_Offset         89 /* synopsis: r[P3] = sqlite_offset(P1)        */
#define OP_Column         90 /* synopsis: r[P3]=PX                         */
#define OP_Affinity       91 /* synopsis: affinity(r[P1@P2])               */
#define OP_BitAnd         92 /* same as TK_BITAND, synopsis: r[P3]=r[P1]&r[P2] */
#define OP_BitOr          93 /* same as TK_BITOR, synopsis: r[P3]=r[P1]|r[P2] */
#define OP_ShiftLeft      94 /* same as TK_LSHIFT, synopsis: r[P3]=r[P2]<<r[P1] */
#define OP_ShiftRight     95 /* same as TK_RSHIFT, synopsis: r[P3]=r[P2]>>r[P1] */
#define OP_Add            96 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */
#define OP_Subtract       97 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */
#define OP_Multiply       98 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */
#define OP_Divide         99 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */
#define OP_Remainder     100 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */
#define OP_Concat        101 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */
#define OP_MakeRecord    102 /* synopsis: r[P3]=mkrec(r[P1@P2])            */
#define OP_BitNot        103 /* same as TK_BITNOT, synopsis: r[P2]= ~r[P1] */
#define OP_Count         104 /* synopsis: r[P2]=count()                    */
#define OP_ReadCookie    105
#define OP_String8       106 /* same as TK_STRING, synopsis: r[P2]='P4'    */
#define OP_SetCookie     107
#define OP_ReopenIdx     108 /* synopsis: root=P2 iDb=P3                   */
#define OP_OpenRead      109 /* synopsis: root=P2 iDb=P3                   */
#define OP_OpenWrite     110 /* synopsis: root=P2 iDb=P3                   */
#define OP_OpenDup       111
#define OP_OpenAutoindex 112 /* synopsis: nColumn=P2                       */
#define OP_OpenEphemeral 113 /* synopsis: nColumn=P2                       */
#define OP_SorterOpen    114
#define OP_SequenceTest  115 /* synopsis: if( cursor[P1].ctr++ ) pc = P2   */
#define OP_OpenPseudo    116 /* synopsis: P3 columns in r[P2]              */
#define OP_Close         117
................................................................................
#define OP_DeferredSeek  134 /* synopsis: Move P3 to P1.rowid if needed    */
#define OP_IdxRowid      135 /* synopsis: r[P2]=rowid                      */
#define OP_Destroy       136
#define OP_Clear         137
#define OP_ResetSorter   138
#define OP_CreateBtree   139 /* synopsis: r[P2]=root iDb=P1 flags=P3       */
#define OP_SqlExec       140
#define OP_Real          141 /* same as TK_FLOAT, synopsis: r[P2]=P4       */
#define OP_ParseSchema   142
#define OP_LoadAnalysis  143
#define OP_DropTable     144
#define OP_DropIndex     145

#define OP_DropTrigger   146
#define OP_IntegrityCk   147
#define OP_RowSetAdd     148 /* synopsis: rowset(P1)=r[P2]                 */
#define OP_Param         149
#define OP_FkCounter     150 /* synopsis: fkctr[P1]+=P2                    */
#define OP_MemMax        151 /* synopsis: r[P1]=max(r[P1],r[P2])           */
#define OP_OffsetLimit   152 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */
................................................................................
/*  32 */ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,\
/*  40 */ 0x01, 0x23, 0x0b, 0x26, 0x26, 0x01, 0x01, 0x03,\
/*  48 */ 0x03, 0x03, 0x03, 0x03, 0x0b, 0x0b, 0x0b, 0x0b,\
/*  56 */ 0x0b, 0x0b, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,\
/*  64 */ 0x00, 0x00, 0x02, 0x02, 0x08, 0x00, 0x10, 0x10,\
/*  72 */ 0x10, 0x10, 0x00, 0x10, 0x10, 0x00, 0x00, 0x10,\
/*  80 */ 0x10, 0x00, 0x00, 0x02, 0x02, 0x02, 0x00, 0x00,\
/*  88 */ 0x12, 0x20, 0x00, 0x00, 0x26, 0x26, 0x26, 0x26,\
/*  96 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x00, 0x12,\
/* 104 */ 0x10, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 112 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 120 */ 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 128 */ 0x10, 0x00, 0x00, 0x04, 0x04, 0x00, 0x00, 0x10,\
/* 136 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x00,\
/* 144 */ 0x00, 0x00, 0x00, 0x00, 0x06, 0x10, 0x00, 0x04,\
/* 152 */ 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 160 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10,\
/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00,}

/* The sqlite3P2Values() routine is able to run faster if it knows
** the value of the largest JUMP opcode.  The smaller the maximum
** JUMP opcode the better, so the mkopcodeh.tcl script that
................................................................................
#endif
  void *pCommitArg;                 /* Argument to xCommitCallback() */
  int (*xCommitCallback)(void*);    /* Invoked at every commit. */
  void *pRollbackArg;               /* Argument to xRollbackCallback() */
  void (*xRollbackCallback)(void*); /* Invoked at every commit. */
  void *pUpdateArg;
  void (*xUpdateCallback)(void*,int, const char*,const char*,sqlite_int64);

#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
  void *pPreUpdateArg;          /* First argument to xPreUpdateCallback */
  void (*xPreUpdateCallback)(   /* Registered using sqlite3_preupdate_hook() */
    void*,sqlite3*,int,char const*,char const*,sqlite3_int64,sqlite3_int64
  );
  PreUpdate *pPreUpdate;        /* Context for active pre-update callback */
#endif /* SQLITE_ENABLE_PREUPDATE_HOOK */
................................................................................

/*
** Allowed values for sqlite3.mDbFlags
*/
#define DBFLAG_SchemaChange   0x0001  /* Uncommitted Hash table changes */
#define DBFLAG_PreferBuiltin  0x0002  /* Preference to built-in funcs */
#define DBFLAG_Vacuum         0x0004  /* Currently in a VACUUM */

#define DBFLAG_SchemaKnownOk  0x0008  /* Schema is known to be valid */

/*
** Bits of the sqlite3.dbOptFlags field that are used by the
** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to
** selectively disable various optimizations.
*/
#define SQLITE_QueryFlattener 0x0001   /* Query flattening */
                          /*  0x0002   available for reuse */
#define SQLITE_GroupByOrder   0x0004   /* GROUPBY cover of ORDERBY */
#define SQLITE_FactorOutConst 0x0008   /* Constant factoring */
#define SQLITE_DistinctOpt    0x0010   /* DISTINCT using indexes */
#define SQLITE_CoverIdxScan   0x0020   /* Covering index scans */
#define SQLITE_OrderByIdxJoin 0x0040   /* ORDER BY of joins via index */
#define SQLITE_Transitive     0x0080   /* Transitive constraints */
#define SQLITE_OmitNoopJoin   0x0100   /* Omit unused tables in joins */
................................................................................
#define SQLITE_FUNC_CONSTANT 0x0800 /* Constant inputs give a constant output */
#define SQLITE_FUNC_MINMAX   0x1000 /* True for min() and max() aggregates */
#define SQLITE_FUNC_SLOCHNG  0x2000 /* "Slow Change". Value constant during a
                                    ** single query - might change over time */
#define SQLITE_FUNC_AFFINITY 0x4000 /* Built-in affinity() function */
#define SQLITE_FUNC_OFFSET   0x8000 /* Built-in sqlite_offset() function */
#define SQLITE_FUNC_WINDOW   0x00010000 /* Built-in window-only function */
#define SQLITE_FUNC_WINDOW_SIZE 0x20000 /* Requires partition size as arg. */
#define SQLITE_FUNC_INTERNAL 0x00040000 /* For use by NestedParse() only */

/*
** The following three macros, FUNCTION(), LIKEFUNC() and AGGREGATE() are
** used to create the initializers for the FuncDef structures.
**
**   FUNCTION(zName, nArg, iArg, bNC, xFunc)
................................................................................
      int regReturn;         /* Register used to hold return address */
    } sub;
  } y;
};

/*
** The following are the meanings of bits in the Expr.flags field.




*/
#define EP_FromJoin  0x000001 /* Originates in ON/USING clause of outer join */
#define EP_Agg       0x000002 /* Contains one or more aggregate functions */

#define EP_HasFunc   0x000004 /* Contains one or more functions of any kind */
#define EP_FixedCol  0x000008 /* TK_Column with a known fixed value */
#define EP_Distinct  0x000010 /* Aggregate function with DISTINCT keyword */

#define EP_VarSelect 0x000020 /* pSelect is correlated, not constant */
#define EP_DblQuoted 0x000040 /* token.z was originally in "..." */
#define EP_InfixFunc 0x000080 /* True for an infix function: LIKE, GLOB, etc */
#define EP_Collate   0x000100 /* Tree contains a TK_COLLATE operator */
#define EP_Generic   0x000200 /* Ignore COLLATE or affinity on this tree */
#define EP_IntValue  0x000400 /* Integer value contained in u.iValue */
#define EP_xIsSelect 0x000800 /* x.pSelect is valid (otherwise x.pList is) */
#define EP_Skip      0x001000 /* COLLATE, AS, or UNLIKELY */
#define EP_Reduced   0x002000 /* Expr struct EXPR_REDUCEDSIZE bytes only */
#define EP_TokenOnly 0x004000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */
#define EP_Static    0x008000 /* Held in memory not obtained from malloc() */
#define EP_MemToken  0x010000 /* Need to sqlite3DbFree() Expr.zToken */
#define EP_NoReduce  0x020000 /* Cannot EXPRDUP_REDUCE this Expr */
#define EP_Unlikely  0x040000 /* unlikely() or likelihood() function */
#define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */
#define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */
#define EP_Subquery  0x200000 /* Tree contains a TK_SELECT operator */
#define EP_Alias     0x400000 /* Is an alias for a result set column */
#define EP_Leaf      0x800000 /* Expr.pLeft, .pRight, .u.pSelect all NULL */
#define EP_WinFunc  0x1000000 /* TK_FUNCTION with Expr.y.pWin set */
#define EP_Subrtn   0x2000000 /* Uses Expr.y.sub. TK_IN, _SELECT, or _EXISTS */
#define EP_Quoted   0x4000000 /* TK_ID was originally quoted */


/*
** The EP_Propagate mask is a set of properties that automatically propagate
** upwards into parent nodes.
*/
#define EP_Propagate (EP_Collate|EP_Subquery|EP_HasFunc)

................................................................................
  Select *pWinSelect;  /* SELECT statement for any window functions */
};

/*
** Allowed values for the NameContext, ncFlags field.
**
** Value constraints (all checked via assert()):
**    NC_HasAgg    == SF_HasAgg
**    NC_MinMaxAgg == SF_MinMaxAgg == SQLITE_FUNC_MINMAX

**
*/
#define NC_AllowAgg  0x0001  /* Aggregate functions are allowed here */
#define NC_PartIdx   0x0002  /* True if resolving a partial index WHERE */
#define NC_IsCheck   0x0004  /* True if resolving names in a CHECK constraint */
#define NC_InAggFunc 0x0008  /* True if analyzing arguments to an agg func */
#define NC_HasAgg    0x0010  /* One or more aggregate functions seen */
................................................................................
#define NC_VarSelect 0x0040  /* A correlated subquery has been seen */
#define NC_UEList    0x0080  /* True if uNC.pEList is used */
#define NC_UAggInfo  0x0100  /* True if uNC.pAggInfo is used */
#define NC_UUpsert   0x0200  /* True if uNC.pUpsert is used */
#define NC_MinMaxAgg 0x1000  /* min/max aggregates seen.  See note above */
#define NC_Complex   0x2000  /* True if a function or subquery seen */
#define NC_AllowWin  0x4000  /* Window functions are allowed here */


/*
** An instance of the following object describes a single ON CONFLICT
** clause in an upsert.
**
** The pUpsertTarget field is only set if the ON CONFLICT clause includes
** conflict-target clause.  (In "ON CONFLICT(a,b)" the "(a,b)" is the
................................................................................
#ifndef SQLITE_OMIT_SHARED_CACHE
  int nTableLock;        /* Number of locks in aTableLock */
  TableLock *aTableLock; /* Required table locks for shared-cache mode */
#endif
  AutoincInfo *pAinc;  /* Information about AUTOINCREMENT counters */
  Parse *pToplevel;    /* Parse structure for main program (or NULL) */
  Table *pTriggerTab;  /* Table triggers are being coded for */

  int addrCrTab;       /* Address of OP_CreateBtree opcode on CREATE TABLE */
  u32 nQueryLoop;      /* Est number of iterations of a query (10*log2(N)) */
  u32 oldmask;         /* Mask of old.* columns referenced */
  u32 newmask;         /* Mask of new.* columns referenced */
  u8 eTriggerOp;       /* TK_UPDATE, TK_INSERT or TK_DELETE */
  u8 eOrconf;          /* Default ON CONFLICT policy for trigger steps */
  u8 disableTriggers;  /* True to disable triggers */
................................................................................
struct TreeView {
  int iLevel;             /* Which level of the tree we are on */
  u8  bLine[100];         /* Draw vertical in column i if bLine[i] is true */
};
#endif /* SQLITE_DEBUG */

/*
** This object is used in varioius ways, all related to window functions
**
**   (1) A single instance of this structure is attached to the
**       the Expr.pWin field for each window function in an expression tree.
**       This object holds the information contained in the OVER clause,
**       plus additional fields used during code generation.
**
**   (2) All window functions in a single SELECT form a linked-list
................................................................................
**       attached to Select.pWin.  The Window.pFunc and Window.pExpr
**       fields point back to the expression that is the window function.
**
**   (3) The terms of the WINDOW clause of a SELECT are instances of this
**       object on a linked list attached to Select.pWinDefn.
**
** The uses (1) and (2) are really the same Window object that just happens
** to be accessible in two different ways.  Use (3) is are separate objects.
*/
struct Window {
  char *zName;            /* Name of window (may be NULL) */

  ExprList *pPartition;   /* PARTITION BY clause */
  ExprList *pOrderBy;     /* ORDER BY clause */
  u8 eType;               /* TK_RANGE or TK_ROWS */

  u8 eStart;              /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */
  u8 eEnd;                /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */


  Expr *pStart;           /* Expression for "<expr> PRECEDING" */
  Expr *pEnd;             /* Expression for "<expr> FOLLOWING" */
  Window *pNextWin;       /* Next window function belonging to this SELECT */
  Expr *pFilter;          /* The FILTER expression */
  FuncDef *pFunc;         /* The function */
  int iEphCsr;            /* Partition buffer or Peer buffer */
  int regAccum;
  int regResult;
  int csrApp;             /* Function cursor (used by min/max) */
  int regApp;             /* Function register (also used by min/max) */
  int regPart;            /* First in a set of registers holding PARTITION BY
                          ** and ORDER BY values for the window */
  Expr *pOwner;           /* Expression object this window is attached to */
  int nBufferCol;         /* Number of columns in buffer table */
  int iArgCol;            /* Offset of first argument for this function */



};

#ifndef SQLITE_OMIT_WINDOWFUNC
SQLITE_PRIVATE void sqlite3WindowDelete(sqlite3*, Window*);
SQLITE_PRIVATE void sqlite3WindowListDelete(sqlite3 *db, Window *p);
SQLITE_PRIVATE Window *sqlite3WindowAlloc(Parse*, int, int, Expr*, int , Expr*);
SQLITE_PRIVATE void sqlite3WindowAttach(Parse*, Expr*, Window*);
SQLITE_PRIVATE int sqlite3WindowCompare(Parse*, Window*, Window*);
SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse*, Window*);
SQLITE_PRIVATE void sqlite3WindowCodeStep(Parse*, Select*, WhereInfo*, int, int);
SQLITE_PRIVATE int sqlite3WindowRewrite(Parse*, Select*);
SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse*, struct SrcList_item*);
SQLITE_PRIVATE void sqlite3WindowUpdate(Parse*, Window*, Window*, FuncDef*);
SQLITE_PRIVATE Window *sqlite3WindowDup(sqlite3 *db, Expr *pOwner, Window *p);
SQLITE_PRIVATE Window *sqlite3WindowListDup(sqlite3 *db, Window *p);
SQLITE_PRIVATE void sqlite3WindowFunctions(void);


#else
# define sqlite3WindowDelete(a,b)
# define sqlite3WindowFunctions()
# define sqlite3WindowAttach(a,b,c)
#endif

/*
................................................................................
SQLITE_PRIVATE   void sqlite3TreeViewWinFunc(TreeView*, const Window*, u8);
#endif
#endif


SQLITE_PRIVATE void sqlite3SetString(char **, sqlite3*, const char*);
SQLITE_PRIVATE void sqlite3ErrorMsg(Parse*, const char*, ...);

SQLITE_PRIVATE void sqlite3Dequote(char*);
SQLITE_PRIVATE void sqlite3DequoteExpr(Expr*);
SQLITE_PRIVATE void sqlite3TokenInit(Token*,char*);
SQLITE_PRIVATE int sqlite3KeywordCode(const unsigned char*, int);
SQLITE_PRIVATE int sqlite3RunParser(Parse*, const char*, char **);
SQLITE_PRIVATE void sqlite3FinishCoding(Parse*);
SQLITE_PRIVATE int sqlite3GetTempReg(Parse*);
................................................................................
*/
#define MEM_Null      0x0001   /* Value is NULL (or a pointer) */
#define MEM_Str       0x0002   /* Value is a string */
#define MEM_Int       0x0004   /* Value is an integer */
#define MEM_Real      0x0008   /* Value is a real number */
#define MEM_Blob      0x0010   /* Value is a BLOB */
#define MEM_AffMask   0x001f   /* Mask of affinity bits */
/* Available          0x0020   */
/* Available          0x0040   */
#define MEM_Undefined 0x0080   /* Value is undefined */
#define MEM_Cleared   0x0100   /* NULL set by OP_Null, not from data */
#define MEM_TypeMask  0xc1ff   /* Mask of type bits */


/* Whenever Mem contains a valid string or blob representation, one of
** the following flags must be set to determine the memory management
** policy for Mem.z.  The MEM_Term flag tells us whether or not the
** string is \000 or \u0000 terminated
*/
................................................................................

/*
** Clear any existing type flags from a Mem and replace them with f
*/
#define MemSetTypeFlag(p, f) \
   ((p)->flags = ((p)->flags&~(MEM_TypeMask|MEM_Zero))|f)







/*
** Return true if a memory cell is not marked as invalid.  This macro
** is for use inside assert() statements only.
*/
#ifdef SQLITE_DEBUG
#define memIsValid(M)  ((M)->flags & MEM_Undefined)==0
#endif
................................................................................
SQLITE_PRIVATE void sqlite3OomFault(sqlite3 *db){
  if( db->mallocFailed==0 && db->bBenignMalloc==0 ){
    db->mallocFailed = 1;
    if( db->nVdbeExec>0 ){
      db->u1.isInterrupted = 1;
    }
    db->lookaside.bDisable++;



  }
}

/*
** This routine reactivates the memory allocator and clears the
** db->mallocFailed flag as necessary.
**
................................................................................

/*
** Set the StrAccum object to an error mode.
*/
static void setStrAccumError(StrAccum *p, u8 eError){
  assert( eError==SQLITE_NOMEM || eError==SQLITE_TOOBIG );
  p->accError = eError;
  p->nAlloc = 0;

}

/*
** Extra argument values from a PrintfArguments object
*/
static sqlite3_int64 getIntArg(PrintfArguments *p){
  if( p->nArg<=p->nUsed ) return 0;
................................................................................
** of the output buffer in pAccum, then cause an SQLITE_TOOBIG error.
** Do the size check before the memory allocation to prevent rogue
** SQL from requesting large allocations using the precision or width
** field of the printf() function.
*/
static char *printfTempBuf(sqlite3_str *pAccum, sqlite3_int64 n){
  char *z;

  if( n>pAccum->nAlloc && n>pAccum->mxAlloc ){
    setStrAccumError(pAccum, SQLITE_TOOBIG);
    return 0;
  }
  z = sqlite3DbMallocRaw(pAccum->db, n);
  if( z==0 ){
    setStrAccumError(pAccum, SQLITE_NOMEM);
................................................................................
  assert( p->nChar+(i64)N >= p->nAlloc ); /* Only called if really needed */
  if( p->accError ){
    testcase(p->accError==SQLITE_TOOBIG);
    testcase(p->accError==SQLITE_NOMEM);
    return 0;
  }
  if( p->mxAlloc==0 ){
    N = p->nAlloc - p->nChar - 1;
    setStrAccumError(p, SQLITE_TOOBIG);
    return N;

  }else{
    char *zOld = isMalloced(p) ? p->zText : 0;
    i64 szNew = p->nChar;
    szNew += N + 1;
    if( szNew+p->nChar<=p->mxAlloc ){
      /* Force exponential buffer size growth as long as it does not overflow,
      ** to avoid having to call this routine too often */
................................................................................
** Append N bytes of text from z to the StrAccum object.  Increase the
** size of the memory allocation for StrAccum if necessary.
*/
SQLITE_API void sqlite3_str_append(sqlite3_str *p, const char *z, int N){
  assert( z!=0 || N==0 );
  assert( p->zText!=0 || p->nChar==0 || p->accError );
  assert( N>=0 );
  assert( p->accError==0 || p->nAlloc==0 );
  if( p->nChar+N >= p->nAlloc ){
    enlargeAndAppend(p,z,N);
  }else if( N ){
    assert( p->zText );
    p->nChar += N;
    memcpy(&p->zText[p->nChar-N], z, N);
  }
................................................................................
#endif /* SQLITE_OMIT_WINDOWFUNC */

#ifndef SQLITE_OMIT_WINDOWFUNC
/*
** Generate a human-readable explanation for a Window object
*/
SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u8 more){






  pView = sqlite3TreeViewPush(pView, more);
  if( pWin->zName ){
    sqlite3TreeViewLine(pView, "OVER %s", pWin->zName);
  }else{
    sqlite3TreeViewLine(pView, "OVER");
  }









  if( pWin->pPartition ){
    sqlite3TreeViewExprList(pView, pWin->pPartition, 1, "PARTITION-BY");
  }
  if( pWin->pOrderBy ){
    sqlite3TreeViewExprList(pView, pWin->pOrderBy, 1, "ORDER-BY");
  }
  if( pWin->eType ){






    sqlite3TreeViewItem(pView, pWin->eType==TK_RANGE ? "RANGE" : "ROWS", 0);
    sqlite3TreeViewBound(pView, pWin->eStart, pWin->pStart, 1);
    sqlite3TreeViewBound(pView, pWin->eEnd, pWin->pEnd, 0);
    sqlite3TreeViewPop(pView);
  }

















  sqlite3TreeViewPop(pView);
}
#endif /* SQLITE_OMIT_WINDOWFUNC */

#ifndef SQLITE_OMIT_WINDOWFUNC
/*
** Generate a human-readable explanation for a Window Function object
................................................................................
#ifndef SQLITE_OMIT_UTF16
/*
** This routine transforms the internal text encoding used by pMem to
** desiredEnc. It is an error if the string is already of the desired
** encoding, or if *pMem does not contain a string value.
*/
SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desiredEnc){
  int len;                    /* Maximum length of output string in bytes */
  unsigned char *zOut;                  /* Output buffer */
  unsigned char *zIn;                   /* Input iterator */
  unsigned char *zTerm;                 /* End of input */
  unsigned char *z;                     /* Output iterator */
  unsigned int c;

  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );
  assert( pMem->flags&MEM_Str );
  assert( pMem->enc!=desiredEnc );
  assert( pMem->enc!=0 );
  assert( pMem->n>=0 );
................................................................................
  if( desiredEnc==SQLITE_UTF8 ){
    /* When converting from UTF-16, the maximum growth results from
    ** translating a 2-byte character to a 4-byte UTF-8 character.
    ** A single byte is required for the output string
    ** nul-terminator.
    */
    pMem->n &= ~1;
    len = pMem->n * 2 + 1;
  }else{
    /* When converting from UTF-8 to UTF-16 the maximum growth is caused
    ** when a 1-byte UTF-8 character is translated into a 2-byte UTF-16
    ** character. Two bytes are required in the output buffer for the
    ** nul-terminator.
    */
    len = pMem->n * 2 + 2;
  }

  /* Set zIn to point at the start of the input buffer and zTerm to point 1
  ** byte past the end.
  **
  ** Variable zOut is set to point at the output buffer, space obtained
  ** from sqlite3_malloc().
................................................................................
SQLITE_PRIVATE void sqlite3Coverage(int x){
  static unsigned dummy = 0;
  dummy += (unsigned)x;
}
#endif

/*
** Give a callback to the test harness that can be used to simulate faults
** in places where it is difficult or expensive to do so purely by means
** of inputs.
**
** The intent of the integer argument is to let the fault simulator know
** which of multiple sqlite3FaultSim() calls has been hit.
**
** Return whatever integer value the test callback returns, or return
** SQLITE_OK if no test callback is installed.








*/
#ifndef SQLITE_UNTESTABLE
SQLITE_PRIVATE int sqlite3FaultSim(int iTest){
  int (*xCallback)(int) = sqlite3GlobalConfig.xTestCallback;
  return xCallback ? xCallback(iTest) : SQLITE_OK;
}
#endif
................................................................................
  }else{
    pParse->nErr++;
    sqlite3DbFree(db, pParse->zErrMsg);
    pParse->zErrMsg = zMsg;
    pParse->rc = SQLITE_ERROR;
  }
}














/*
** Convert an SQL-style quoted string into a normal string by removing
** the quote characters.  The conversion is done in-place.  If the
** input does not begin with a quote character, then this routine
** is a no-op.
**
................................................................................
  char *z;               /* Pointer to where zName will be stored */
  int i;                 /* Index in pIn[] where zName is stored */

  nInt = nName/4 + 3;
  assert( pIn==0 || pIn[0]>=3 );  /* Verify ok to add new elements */
  if( pIn==0 || pIn[1]+nInt > pIn[0] ){
    /* Enlarge the allocation */
    int nAlloc = (pIn ? pIn[0]*2 : 10) + nInt;
    VList *pOut = sqlite3DbRealloc(db, pIn, nAlloc*sizeof(int));
    if( pOut==0 ) return pIn;
    if( pIn==0 ) pOut[1] = 2;
    pIn = pOut;
    pIn[0] = nAlloc;
  }
  i = pIn[1];
................................................................................
*/
static HashElem *findElementWithHash(
  const Hash *pH,     /* The pH to be searched */
  const char *pKey,   /* The key we are searching for */
  unsigned int *pHash /* Write the hash value here */
){
  HashElem *elem;                /* Used to loop thru the element list */
  int count;                     /* Number of elements left to test */
  unsigned int h;                /* The computed hash */
  static HashElem nullElement = { 0, 0, 0, 0 };

  if( pH->ht ){   /*OPTIMIZATION-IF-TRUE*/
    struct _ht *pEntry;
    h = strHash(pKey) % pH->htsize;
    pEntry = &pH->ht[h];
................................................................................
    elem->next->prev = elem->prev;
  }
  if( pH->ht ){
    pEntry = &pH->ht[h];
    if( pEntry->chain==elem ){
      pEntry->chain = elem->next;
    }
    pEntry->count--;
    assert( pEntry->count>=0 );
  }
  sqlite3_free( elem );
  pH->count--;
  if( pH->count==0 ){
    assert( pH->first==0 );
    assert( pH->count==0 );
    sqlite3HashClear(pH);
................................................................................
    /*  85 */ "Cast"             OpHelp("affinity(r[P1])"),
    /*  86 */ "Permutation"      OpHelp(""),
    /*  87 */ "Compare"          OpHelp("r[P1@P3] <-> r[P2@P3]"),
    /*  88 */ "IsTrue"           OpHelp("r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4"),
    /*  89 */ "Offset"           OpHelp("r[P3] = sqlite_offset(P1)"),
    /*  90 */ "Column"           OpHelp("r[P3]=PX"),
    /*  91 */ "Affinity"         OpHelp("affinity(r[P1@P2])"),
    /*  92 */ "BitAnd"           OpHelp("r[P3]=r[P1]&r[P2]"),
    /*  93 */ "BitOr"            OpHelp("r[P3]=r[P1]|r[P2]"),
    /*  94 */ "ShiftLeft"        OpHelp("r[P3]=r[P2]<<r[P1]"),
    /*  95 */ "ShiftRight"       OpHelp("r[P3]=r[P2]>>r[P1]"),
    /*  96 */ "Add"              OpHelp("r[P3]=r[P1]+r[P2]"),
    /*  97 */ "Subtract"         OpHelp("r[P3]=r[P2]-r[P1]"),
    /*  98 */ "Multiply"         OpHelp("r[P3]=r[P1]*r[P2]"),
    /*  99 */ "Divide"           OpHelp("r[P3]=r[P2]/r[P1]"),
    /* 100 */ "Remainder"        OpHelp("r[P3]=r[P2]%r[P1]"),
    /* 101 */ "Concat"           OpHelp("r[P3]=r[P2]+r[P1]"),
    /* 102 */ "MakeRecord"       OpHelp("r[P3]=mkrec(r[P1@P2])"),
    /* 103 */ "BitNot"           OpHelp("r[P2]= ~r[P1]"),
    /* 104 */ "Count"            OpHelp("r[P2]=count()"),
    /* 105 */ "ReadCookie"       OpHelp(""),
    /* 106 */ "String8"          OpHelp("r[P2]='P4'"),
    /* 107 */ "SetCookie"        OpHelp(""),
    /* 108 */ "ReopenIdx"        OpHelp("root=P2 iDb=P3"),
    /* 109 */ "OpenRead"         OpHelp("root=P2 iDb=P3"),
    /* 110 */ "OpenWrite"        OpHelp("root=P2 iDb=P3"),
    /* 111 */ "OpenDup"          OpHelp(""),
    /* 112 */ "OpenAutoindex"    OpHelp("nColumn=P2"),
    /* 113 */ "OpenEphemeral"    OpHelp("nColumn=P2"),
    /* 114 */ "SorterOpen"       OpHelp(""),
    /* 115 */ "SequenceTest"     OpHelp("if( cursor[P1].ctr++ ) pc = P2"),
    /* 116 */ "OpenPseudo"       OpHelp("P3 columns in r[P2]"),
    /* 117 */ "Close"            OpHelp(""),
................................................................................
    /* 134 */ "DeferredSeek"     OpHelp("Move P3 to P1.rowid if needed"),
    /* 135 */ "IdxRowid"         OpHelp("r[P2]=rowid"),
    /* 136 */ "Destroy"          OpHelp(""),
    /* 137 */ "Clear"            OpHelp(""),
    /* 138 */ "ResetSorter"      OpHelp(""),
    /* 139 */ "CreateBtree"      OpHelp("r[P2]=root iDb=P1 flags=P3"),
    /* 140 */ "SqlExec"          OpHelp(""),
    /* 141 */ "Real"             OpHelp("r[P2]=P4"),
    /* 142 */ "ParseSchema"      OpHelp(""),
    /* 143 */ "LoadAnalysis"     OpHelp(""),
    /* 144 */ "DropTable"        OpHelp(""),
    /* 145 */ "DropIndex"        OpHelp(""),

    /* 146 */ "DropTrigger"      OpHelp(""),
    /* 147 */ "IntegrityCk"      OpHelp(""),
    /* 148 */ "RowSetAdd"        OpHelp("rowset(P1)=r[P2]"),
    /* 149 */ "Param"            OpHelp(""),
    /* 150 */ "FkCounter"        OpHelp("fkctr[P1]+=P2"),
    /* 151 */ "MemMax"           OpHelp("r[P1]=max(r[P1],r[P2])"),
    /* 152 */ "OffsetLimit"      OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"),
................................................................................

/*
** Malloc function used by SQLite to obtain space from the buffer configured
** using sqlite3_config(SQLITE_CONFIG_PAGECACHE) option. If no such buffer
** exists, this function falls back to sqlite3Malloc().
*/
SQLITE_PRIVATE void *sqlite3PageMalloc(int sz){
  /* During rebalance operations on a corrupt database file, it is sometimes
  ** (rarely) possible to overread the temporary page buffer by a few bytes.
  ** Enlarge the allocation slightly so that this does not cause problems. */
  return pcache1Alloc(sz);
}

/*
** Free an allocated buffer obtained from sqlite3PageMalloc().
*/
SQLITE_PRIVATE void sqlite3PageFree(void *p){
................................................................................
**   * the database file is open,
**   * there are no dirty pages in the cache, and
**   * the desired page is not currently in the wal file.
*/
SQLITE_PRIVATE int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno){
  if( pPager->fd->pMethods==0 ) return 0;
  if( sqlite3PCacheIsDirty(pPager->pPCache) ) return 0;



#ifndef SQLITE_OMIT_WAL
  if( pPager->pWal ){
    u32 iRead = 0;
    int rc;
    rc = sqlite3WalFindFrame(pPager->pWal, pgno, &iRead);
    return (rc==SQLITE_OK && iRead==0);
  }
................................................................................
    char *pNew = NULL;             /* New temp space */
    i64 nByte = 0;

    if( pPager->eState>PAGER_OPEN && isOpen(pPager->fd) ){
      rc = sqlite3OsFileSize(pPager->fd, &nByte);
    }
    if( rc==SQLITE_OK ){


      pNew = (char *)sqlite3PageMalloc(pageSize);

      if( !pNew ) rc = SQLITE_NOMEM_BKPT;



    }

    if( rc==SQLITE_OK ){
      pager_reset(pPager);
      rc = sqlite3PcacheSetPageSize(pPager->pPCache, pageSize);
    }
    if( rc==SQLITE_OK ){
................................................................................
  /* If the cache contains a page with page-number pgno, remove it
  ** from its hash chain. Also, if the PGHDR_NEED_SYNC flag was set for 
  ** page pgno before the 'move' operation, it needs to be retained 
  ** for the page moved there.
  */
  pPg->flags &= ~PGHDR_NEED_SYNC;
  pPgOld = sqlite3PagerLookup(pPager, pgno);
  assert( !pPgOld || pPgOld->nRef==1 );
  if( pPgOld ){




    pPg->flags |= (pPgOld->flags&PGHDR_NEED_SYNC);
    if( pPager->tempFile ){
      /* Do not discard pages from an in-memory database since we might
      ** need to rollback later.  Just move the page out of the way. */
      sqlite3PcacheMove(pPgOld, pPager->dbSize+1);
    }else{
      sqlite3PcacheDrop(pPgOld);
................................................................................

/*
** Release a lock obtained by an earlier successful call to
** sqlite3PagerSnapshotCheck().
*/
SQLITE_PRIVATE void sqlite3PagerSnapshotUnlock(Pager *pPager){
  assert( pPager->pWal );
  return sqlite3WalSnapshotUnlock(pPager->pWal);
}

#endif /* SQLITE_ENABLE_SNAPSHOT */
#endif /* !SQLITE_OMIT_WAL */

#ifdef SQLITE_ENABLE_ZIPVFS
/*
................................................................................
  int iPage,               /* The page we seek */
  volatile u32 **ppPage    /* Write the page pointer here */
){
  int rc = SQLITE_OK;

  /* Enlarge the pWal->apWiData[] array if required */
  if( pWal->nWiData<=iPage ){
    int nByte = sizeof(u32*)*(iPage+1);
    volatile u32 **apNew;
    apNew = (volatile u32 **)sqlite3_realloc64((void *)pWal->apWiData, nByte);
    if( !apNew ){
      *ppPage = 0;
      return SQLITE_NOMEM_BKPT;
    }
    memset((void*)&apNew[pWal->nWiData], 0,
................................................................................
    s2 = aIn[1];
  }else{
    s1 = s2 = 0;
  }

  assert( nByte>=8 );
  assert( (nByte&0x00000007)==0 );


  if( nativeCksum ){
    do {
      s1 += *aData++ + s2;
      s2 += *aData++ + s1;
    }while( aData<aEnd );
  }else{
................................................................................
** actually needed.
*/
static void walCleanupHash(Wal *pWal){
  WalHashLoc sLoc;                /* Hash table location */
  int iLimit = 0;                 /* Zero values greater than this */
  int nByte;                      /* Number of bytes to zero in aPgno[] */
  int i;                          /* Used to iterate through aHash[] */


  assert( pWal->writeLock );
  testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE-1 );
  testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE );
  testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE+1 );

  if( pWal->hdr.mxFrame==0 ) return;

  /* Obtain pointers to the hash-table and page-number array containing 
  ** the entry that corresponds to frame pWal->hdr.mxFrame. It is guaranteed
  ** that the page said hash-table and array reside on is already mapped.
  */
  assert( pWal->nWiData>walFramePage(pWal->hdr.mxFrame) );
  assert( pWal->apWiData[walFramePage(pWal->hdr.mxFrame)] );
  walHashGet(pWal, walFramePage(pWal->hdr.mxFrame), &sLoc);


  /* Zero all hash-table entries that correspond to frame numbers greater
  ** than pWal->hdr.mxFrame.
  */
  iLimit = pWal->hdr.mxFrame - sLoc.iZero;
  assert( iLimit>0 );
  for(i=0; i<HASHTABLE_NSLOT; i++){
................................................................................
** The calling routine should invoke walIteratorFree() to destroy the
** WalIterator object when it has finished with it.
*/
static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){
  WalIterator *p;                 /* Return value */
  int nSegment;                   /* Number of segments to merge */
  u32 iLast;                      /* Last frame in log */
  int nByte;                      /* Number of bytes to allocate */
  int i;                          /* Iterator variable */
  ht_slot *aTmp;                  /* Temp space used by merge-sort */
  int rc = SQLITE_OK;             /* Return Code */

  /* This routine only runs while holding the checkpoint lock. And
  ** it only runs if there is actually content in the log (mxFrame>0).
  */
................................................................................
  u8 hdrOffset;        /* 100 for page 1.  0 otherwise */
  u8 childPtrSize;     /* 0 if leaf==1.  4 if leaf==0 */
  u8 max1bytePayload;  /* min(maxLocal,127) */
  u8 nOverflow;        /* Number of overflow cell bodies in aCell[] */
  u16 maxLocal;        /* Copy of BtShared.maxLocal or BtShared.maxLeaf */
  u16 minLocal;        /* Copy of BtShared.minLocal or BtShared.minLeaf */
  u16 cellOffset;      /* Index in aData of first cell pointer */
  u16 nFree;           /* Number of free bytes on the page */
  u16 nCell;           /* Number of cells on this page, local and ovfl */
  u16 maskPage;        /* Mask for page offset */
  u16 aiOvfl[4];       /* Insert the i-th overflow cell before the aiOvfl-th
                       ** non-overflow cell */
  u8 *apOvfl[4];       /* Pointers to the body of overflow cells */
  BtShared *pBt;       /* Pointer to BtShared that this page is part of */
  u8 *aData;           /* Pointer to disk image of the page data */
................................................................................
** when saveCursorPosition() was called. Note that this call deletes the 
** saved position info stored by saveCursorPosition(), so there can be
** at most one effective restoreCursorPosition() call after each 
** saveCursorPosition().
*/
static int btreeRestoreCursorPosition(BtCursor *pCur){
  int rc;
  int skipNext;
  assert( cursorOwnsBtShared(pCur) );
  assert( pCur->eState>=CURSOR_REQUIRESEEK );
  if( pCur->eState==CURSOR_FAULT ){
    return pCur->skipNext;
  }
  pCur->eState = CURSOR_INVALID;



  rc = btreeMoveto(pCur, pCur->pKey, pCur->nKey, 0, &skipNext);

  if( rc==SQLITE_OK ){
    sqlite3_free(pCur->pKey);
    pCur->pKey = 0;
    assert( pCur->eState==CURSOR_VALID || pCur->eState==CURSOR_INVALID );
    if( skipNext ) pCur->skipNext = skipNext;
    if( pCur->skipNext && pCur->eState==CURSOR_VALID ){
      pCur->eState = CURSOR_SKIPNEXT;
................................................................................
  assert( pPage->nOverflow==0 );
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  temp = 0;
  src = data = pPage->aData;
  hdr = pPage->hdrOffset;
  cellOffset = pPage->cellOffset;
  nCell = pPage->nCell;
  assert( nCell==get2byte(&data[hdr+3]) );
  iCellFirst = cellOffset + 2*nCell;
  usableSize = pPage->pBt->usableSize;

  /* This block handles pages with two or fewer free blocks and nMaxFrag
  ** or fewer fragmented bytes. In this case it is faster to move the
  ** two (or one) blocks of cells using memmove() and add the required
  ** offsets to each pointer in the cell-pointer array than it is to 
  ** reconstruct the entire page.  */
  if( (int)data[hdr+7]<=nMaxFrag ){
    int iFree = get2byte(&data[hdr+1]);

    /* If the initial freeblock offset were out of bounds, that would
    ** have been detected by btreeInitPage() when it was computing the
    ** number of free bytes on the page. */
    assert( iFree<=usableSize-4 );

    if( iFree ){
      int iFree2 = get2byte(&data[iFree]);
      if( iFree2>usableSize-4 ) return SQLITE_CORRUPT_PAGE(pPage);
      if( 0==iFree2 || (data[iFree2]==0 && data[iFree2+1]==0) ){
        u8 *pEnd = &data[cellOffset + nCell*2];
        u8 *pAddr;
        int sz2 = 0;
................................................................................
        }
        if( iFree2 ){
          if( iFree+sz>iFree2 ) return SQLITE_CORRUPT_PAGE(pPage);
          sz2 = get2byte(&data[iFree2+2]);
          if( iFree2+sz2 > usableSize ) return SQLITE_CORRUPT_PAGE(pPage);
          memmove(&data[iFree+sz+sz2], &data[iFree+sz], iFree2-(iFree+sz));
          sz += sz2;


        }

        cbrk = top+sz;
        assert( cbrk+(iFree-top) <= usableSize );
        memmove(&data[cbrk], &data[top], iFree-top);
        for(pAddr=&data[cellOffset]; pAddr<pEnd; pAddr+=2){
          pc = get2byte(pAddr);
          if( pc<iFree ){ put2byte(pAddr, pc+sz); }
          else if( pc<iFree2 ){ put2byte(pAddr, pc+sz2); }
................................................................................
      src = temp;
    }
    memcpy(&data[cbrk], &src[pc], size);
  }
  data[hdr+7] = 0;

 defragment_out:

  if( data[hdr+7]+cbrk-iCellFirst!=pPage->nFree ){
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  assert( cbrk>=iCellFirst );
  put2byte(&data[hdr+5], cbrk);
  data[hdr+1] = 0;
  data[hdr+2] = 0;
................................................................................
** detected then *pRc is set to SQLITE_CORRUPT and NULL is returned.
**
** Slots on the free list that are between 1 and 3 bytes larger than nByte
** will be ignored if adding the extra space to the fragmentation count
** causes the fragmentation count to exceed 60.
*/
static u8 *pageFindSlot(MemPage *pPg, int nByte, int *pRc){
  const int hdr = pPg->hdrOffset;
  u8 * const aData = pPg->aData;
  int iAddr = hdr + 1;
  int pc = get2byte(&aData[iAddr]);
  int x;
  int usableSize = pPg->pBt->usableSize;
  int size;            /* Size of the free slot */

  assert( pc>0 );
  while( pc<=usableSize-4 ){
    /* EVIDENCE-OF: R-22710-53328 The third and fourth bytes of each
    ** freeblock form a big-endian integer which is the size of the freeblock
    ** in bytes, including the 4-byte header. */
    size = get2byte(&aData[pc+2]);
    if( (x = size - nByte)>=0 ){
      testcase( x==4 );
      testcase( x==3 );
      if( size+pc > usableSize ){
        *pRc = SQLITE_CORRUPT_PAGE(pPg);
        return 0;
      }else if( x<4 ){
        /* EVIDENCE-OF: R-11498-58022 In a well-formed b-tree page, the total
        ** number of bytes in fragments may not exceed 60. */
        if( aData[hdr+7]>57 ) return 0;

        /* Remove the slot from the free-list. Update the number of
        ** fragmented bytes within the page. */
        memcpy(&aData[iAddr], &aData[pc], 2);
        aData[hdr+7] += (u8)x;




      }else{
        /* The slot remains on the free-list. Reduce its size to account
         ** for the portion used by the new allocation. */
        put2byte(&aData[pc+2], x);
      }
      return &aData[pc + x];
    }
    iAddr = pc;
    pc = get2byte(&aData[pc]);
    if( pc<iAddr+size ) break;
  }
  if( pc ){

    *pRc = SQLITE_CORRUPT_PAGE(pPg);
  }







  return 0;
}

/*
** Allocate nByte bytes of space from within the B-Tree page passed
** as the first argument. Write into *pIdx the index into pPage->aData[]
** of the first byte of allocated space. Return either SQLITE_OK or
................................................................................
    if( top==0 && pPage->pBt->usableSize==65536 ){
      top = 65536;
    }else{
      return SQLITE_CORRUPT_PAGE(pPage);
    }
  }

  /* If there is enough space between gap and top for one more cell pointer
  ** array entry offset, and if the freelist is not empty, then search the
  ** freelist looking for a free slot big enough to satisfy the request.
  */
  testcase( gap+2==top );
  testcase( gap+1==top );
  testcase( gap==top );
  if( (data[hdr+2] || data[hdr+1]) && gap+2<=top ){
    u8 *pSpace = pageFindSlot(pPage, nByte, &rc);
    if( pSpace ){
................................................................................

  /* The request could not be fulfilled using a freelist slot.  Check
  ** to see if defragmentation is necessary.
  */
  testcase( gap+2+nByte==top );
  if( gap+2+nByte>top ){
    assert( pPage->nCell>0 || CORRUPT_DB );

    rc = defragmentPage(pPage, MIN(4, pPage->nFree - (2+nByte)));
    if( rc ) return rc;
    top = get2byteNotZero(&data[hdr+5]);
    assert( gap+2+nByte<=top );
  }


  /* Allocate memory from the gap in between the cell pointer array
  ** and the cell content area.  The btreeInitPage() call has already
  ** validated the freelist.  Given that the freelist is valid, there
  ** is no way that the allocation can extend off the end of the page.
  ** The assert() below verifies the previous sentence.
  */
  top -= nByte;
  put2byte(&data[hdr+5], top);
  assert( top+nByte <= (int)pPage->pBt->usableSize );
................................................................................
/*
** Return a section of the pPage->aData to the freelist.
** The first byte of the new free block is pPage->aData[iStart]
** and the size of the block is iSize bytes.
**
** Adjacent freeblocks are coalesced.
**
** Note that even though the freeblock list was checked by btreeInitPage(),
** that routine will not detect overlap between cells or freeblocks.  Nor
** does it detect cells or freeblocks that encrouch into the reserved bytes
** at the end of the page.  So do additional corruption checks inside this
** routine and return SQLITE_CORRUPT if any problems are found.
*/
static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){
  u16 iPtr;                             /* Address of ptr to next freeblock */
................................................................................
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  pPage->max1bytePayload = pBt->max1bytePayload;
  return SQLITE_OK;
}

/*
** Initialize the auxiliary information for a disk block.
**
** Return SQLITE_OK on success.  If we see that the page does
** not contain a well-formed database page, then return 
** SQLITE_CORRUPT.  Note that a return of SQLITE_OK does not
** guarantee that the page is well-formed.  It only shows that
** we failed to detect any corruption.
*/
static int btreeInitPage(MemPage *pPage){

  int pc;            /* Address of a freeblock within pPage->aData[] */
  u8 hdr;            /* Offset to beginning of page header */
  u8 *data;          /* Equal to pPage->aData */
  BtShared *pBt;        /* The main btree structure */
  int usableSize;    /* Amount of usable space on each page */
  u16 cellOffset;    /* Offset from start of page to first cell pointer */
  int nFree;         /* Number of unused bytes on the page */
  int top;           /* First byte of the cell content area */
  int iCellFirst;    /* First allowable cell or freeblock offset */
  int iCellLast;     /* Last possible cell or freeblock offset */

  assert( pPage->pBt!=0 );
  assert( pPage->pBt->db!=0 );
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  assert( pPage->pgno==sqlite3PagerPagenumber(pPage->pDbPage) );
  assert( pPage == sqlite3PagerGetExtra(pPage->pDbPage) );
  assert( pPage->aData == sqlite3PagerGetData(pPage->pDbPage) );
  assert( pPage->isInit==0 );


  pBt = pPage->pBt;
  hdr = pPage->hdrOffset;
  data = pPage->aData;
  /* EVIDENCE-OF: R-28594-02890 The one-byte flag at offset 0 indicating
  ** the b-tree page type. */
  if( decodeFlags(pPage, data[hdr]) ){
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  assert( pBt->pageSize>=512 && pBt->pageSize<=65536 );
  pPage->maskPage = (u16)(pBt->pageSize - 1);
  pPage->nOverflow = 0;
  usableSize = pBt->usableSize;
  pPage->cellOffset = cellOffset = hdr + 8 + pPage->childPtrSize;
  pPage->aDataEnd = &data[usableSize];
  pPage->aCellIdx = &data[cellOffset];
  pPage->aDataOfst = &data[pPage->childPtrSize];
  /* EVIDENCE-OF: R-58015-48175 The two-byte integer at offset 5 designates
  ** the start of the cell content area. A zero value for this integer is
  ** interpreted as 65536. */
  top = get2byteNotZero(&data[hdr+5]);
  /* EVIDENCE-OF: R-37002-32774 The two-byte integer at offset 3 gives the
  ** number of cells on the page. */
  pPage->nCell = get2byte(&data[hdr+3]);
  if( pPage->nCell>MX_CELL(pBt) ){
    /* To many cells for a single page.  The page must be corrupt */
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  testcase( pPage->nCell==MX_CELL(pBt) );
  /* EVIDENCE-OF: R-24089-57979 If a page contains no cells (which is only
  ** possible for a root page of a table that contains no rows) then the
  ** offset to the cell content area will equal the page size minus the
  ** bytes of reserved space. */
  assert( pPage->nCell>0 || top==usableSize || CORRUPT_DB );

  /* A malformed database page might cause us to read past the end
  ** of page when parsing a cell.  
  **
  ** The following block of code checks early to see if a cell extends
  ** past the end of a page boundary and causes SQLITE_CORRUPT to be 
  ** returned if it does.
  */
  iCellFirst = cellOffset + 2*pPage->nCell;

  iCellLast = usableSize - 4;
  if( pBt->db->flags & SQLITE_CellSizeCk ){
    int i;            /* Index into the cell pointer array */
    int sz;           /* Size of a cell */

    if( !pPage->leaf ) iCellLast--;
    for(i=0; i<pPage->nCell; i++){
      pc = get2byteAligned(&data[cellOffset+i*2]);
      testcase( pc==iCellFirst );
      testcase( pc==iCellLast );
      if( pc<iCellFirst || pc>iCellLast ){
        return SQLITE_CORRUPT_PAGE(pPage);
      }
      sz = pPage->xCellSize(pPage, &data[pc]);
      testcase( pc+sz==usableSize );
      if( pc+sz>usableSize ){
        return SQLITE_CORRUPT_PAGE(pPage);
      }
    }
    if( !pPage->leaf ) iCellLast++;
  }  

  /* Compute the total free space on the page
  ** EVIDENCE-OF: R-23588-34450 The two-byte integer at offset 1 gives the
  ** start of the first freeblock on the page, or is zero if there are no
  ** freeblocks. */
  pc = get2byte(&data[hdr+1]);
  nFree = data[hdr+7] + top;  /* Init nFree to non-freeblock free space */
................................................................................
  ** serves to verify that the offset to the start of the cell-content
  ** area, according to the page header, lies within the page.
  */
  if( nFree>usableSize ){
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  pPage->nFree = (u16)(nFree - iCellFirst);


























































































  pPage->isInit = 1;



  return SQLITE_OK;
}

/*
** Set up a raw page so that it looks like a database page holding
** no entries.
*/
................................................................................
  assert( sqlite3_mutex_held(pBt->mutex) );
  assert( pCur==0 || ppPage==&pCur->pPage );
  assert( pCur==0 || bReadOnly==pCur->curPagerFlags );
  assert( pCur==0 || pCur->iPage>0 );

  if( pgno>btreePagecount(pBt) ){
    rc = SQLITE_CORRUPT_BKPT;
    goto getAndInitPage_error;
  }
  rc = sqlite3PagerGet(pBt->pPager, pgno, (DbPage**)&pDbPage, bReadOnly);
  if( rc ){
    goto getAndInitPage_error;
  }
  *ppPage = (MemPage*)sqlite3PagerGetExtra(pDbPage);
  if( (*ppPage)->isInit==0 ){
    btreePageFromDbPage(pDbPage, pgno, pBt);
    rc = btreeInitPage(*ppPage);
    if( rc!=SQLITE_OK ){
      releasePage(*ppPage);
      goto getAndInitPage_error;
    }
  }
  assert( (*ppPage)->pgno==pgno );
  assert( (*ppPage)->aData==sqlite3PagerGetData(pDbPage) );

  /* If obtaining a child page for a cursor, we must verify that the page is
  ** compatible with the root page. */
  if( pCur && ((*ppPage)->nCell<1 || (*ppPage)->intKey!=pCur->curIntKey) ){
    rc = SQLITE_CORRUPT_PGNO(pgno);
    releasePage(*ppPage);
    goto getAndInitPage_error;
  }
  return SQLITE_OK;

getAndInitPage_error:


  if( pCur ){
    pCur->iPage--;
    pCur->pPage = pCur->apPage[pCur->iPage];
  }
  testcase( pgno==0 );
  assert( pgno!=0 || rc==SQLITE_CORRUPT );
  return rc;
................................................................................
    assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 );
    *pRes = 1;
    rc = SQLITE_OK;
  }
  return rc;
}

/*
** This function is a no-op if cursor pCur does not point to a valid row.
** Otherwise, if pCur is valid, configure it so that the next call to
** sqlite3BtreeNext() is a no-op.
*/
#ifndef SQLITE_OMIT_WINDOWFUNC
SQLITE_PRIVATE void sqlite3BtreeSkipNext(BtCursor *pCur){
  /* We believe that the cursor must always be in the valid state when
  ** this routine is called, but the proof is difficult, so we add an
  ** ALWaYS() test just in case we are wrong. */
  if( ALWAYS(pCur->eState==CURSOR_VALID) ){
    pCur->eState = CURSOR_SKIPNEXT;
    pCur->skipNext = 1;
  }
}
#endif /* SQLITE_OMIT_WINDOWFUNC */

/* Move the cursor to the last entry in the table.  Return SQLITE_OK
** on success.  Set *pRes to 0 if the cursor actually points to something
** or set *pRes to 1 if the table is empty.
*/
SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){
  int rc;
 
................................................................................
          pCur->ix = (u16)idx;
          rc = accessPayload(pCur, 0, nCell, (unsigned char*)pCellKey, 0);
          pCur->curFlags &= ~BTCF_ValidOvfl;
          if( rc ){
            sqlite3_free(pCellKey);
            goto moveto_finish;
          }
          c = xRecordCompare(nCell, pCellKey, pIdxKey);
          sqlite3_free(pCellKey);
        }
        assert( 
            (pIdxKey->errCode!=SQLITE_CORRUPT || c==0)
         && (pIdxKey->errCode!=SQLITE_NOMEM || pCur->pBtree->db->mallocFailed)
        );
        if( c<0 ){
................................................................................
*/
static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){
  MemPage *pTrunk = 0;                /* Free-list trunk page */
  Pgno iTrunk = 0;                    /* Page number of free-list trunk page */ 
  MemPage *pPage1 = pBt->pPage1;      /* Local reference to page 1 */
  MemPage *pPage;                     /* Page being freed. May be NULL. */
  int rc;                             /* Return Code */
  int nFree;                          /* Initial number of pages on free-list */

  assert( sqlite3_mutex_held(pBt->mutex) );
  assert( CORRUPT_DB || iPage>1 );
  assert( !pMemPage || pMemPage->pgno==iPage );


  if( iPage<2 ) return SQLITE_CORRUPT_BKPT;

  if( pMemPage ){
    pPage = pMemPage;
    sqlite3PagerRef(pPage->pDbPage);
  }else{
    pPage = btreePageLookup(pBt, iPage);
  }

................................................................................
  int hdr;        /* Beginning of the header.  0 most pages.  100 page 1 */

  if( *pRC ) return;
  assert( idx>=0 && idx<pPage->nCell );
  assert( CORRUPT_DB || sz==cellSize(pPage, idx) );
  assert( sqlite3PagerIswriteable(pPage->pDbPage) );
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );

  data = pPage->aData;
  ptr = &pPage->aCellIdx[2*idx];
  pc = get2byte(ptr);
  hdr = pPage->hdrOffset;
  testcase( pc==get2byte(&data[hdr+5]) );
  testcase( pc+sz==pPage->pBt->usableSize );
  if( pc+sz > pPage->pBt->usableSize ){
................................................................................
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  /* The cell should normally be sized correctly.  However, when moving a
  ** malformed cell from a leaf page to an interior page, if the cell size
  ** wanted to be less than 4 but got rounded up to 4 on the leaf, then size
  ** might be less than 8 (leaf-size + pointer) on the interior node.  Hence
  ** the term after the || in the following assert(). */
  assert( sz==pPage->xCellSize(pPage, pCell) || (sz==8 && iChild>0) );

  if( pPage->nOverflow || sz+2>pPage->nFree ){
    if( pTemp ){
      memcpy(pTemp, pCell, sz);
      pCell = pTemp;
    }
    if( iChild ){
      put4byte(pCell, iChild);
................................................................................
    }
    pIns = pPage->aCellIdx + i*2;
    memmove(pIns+2, pIns, 2*(pPage->nCell - i));
    put2byte(pIns, idx);
    pPage->nCell++;
    /* increment the cell count */
    if( (++data[pPage->hdrOffset+4])==0 ) data[pPage->hdrOffset+3]++;
    assert( get2byte(&data[pPage->hdrOffset+3])==pPage->nCell );
#ifndef SQLITE_OMIT_AUTOVACUUM
    if( pPage->pBt->autoVacuum ){
      /* The cell may contain a pointer to an overflow page. If so, write
      ** the entry for the overflow page into the pointer map.
      */
      ptrmapPutOvflPtr(pPage, pPage, pCell, pRC);
    }
................................................................................
**    ixNx[3] = Number of cells in Child-1 and Child-2 + both divider cells
**    ixNx[4] = Total number of cells.
**
** For a table-btree, the concept is similar, except only apEnd[0]..apEnd[2]
** are used and they point to the leaf pages only, and the ixNx value are:
**
**    ixNx[0] = Number of cells in Child-1.
**    ixNx[1] = Number of cells in Child-1 and Child-2 + 1 for 1st divider.
**    ixNx[2] = Number of cells in Child-1 and Child-2 + both divider cells





*/
typedef struct CellArray CellArray;
struct CellArray {
  int nCell;              /* Number of cells in apCell[] */
  MemPage *pRef;          /* Reference page */
  u8 **apCell;            /* All cells begin balanced */
  u16 *szCell;            /* Local size of all cells in apCell[] */
................................................................................
  }

  /* Add any overflow cells */
  for(i=0; i<pPg->nOverflow; i++){
    int iCell = (iOld + pPg->aiOvfl[i]) - iNew;
    if( iCell>=0 && iCell<nNew ){
      pCellptr = &pPg->aCellIdx[iCell * 2];
      assert( nCell>=iCell );
      memmove(&pCellptr[2], pCellptr, (nCell - iCell) * 2);

      nCell++;
      if( pageInsertArray(
            pPg, pBegin, &pData, pCellptr,
            iCell+iNew, 1, pCArray
      ) ) goto editpage_fail;
    }
  }
................................................................................
  MemPage *pNew;                       /* Newly allocated page */
  int rc;                              /* Return Code */
  Pgno pgnoNew;                        /* Page number of pNew */

  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  assert( sqlite3PagerIswriteable(pParent->pDbPage) );
  assert( pPage->nOverflow==1 );

  if( pPage->nCell==0 ) return SQLITE_CORRUPT_BKPT;  /* dbfuzz001.test */



  /* Allocate a new page. This page will become the right-sibling of 
  ** pPage. Make the parent page writable, so that the new divider cell
  ** may be inserted. If both these operations are successful, proceed.
  */
  rc = allocateBtreePage(pBt, &pNew, &pgnoNew, 0, 0);

................................................................................
    /* Reinitialize page pTo so that the contents of the MemPage structure
    ** match the new data. The initialization of pTo can actually fail under
    ** fairly obscure circumstances, even though it is a copy of initialized 
    ** page pFrom.
    */
    pTo->isInit = 0;
    rc = btreeInitPage(pTo);

    if( rc!=SQLITE_OK ){
      *pRC = rc;
      return;
    }
  
    /* If this is an auto-vacuum database, update the pointer-map entries
    ** for any b-tree or overflow pages that pTo now contains the pointers to.
................................................................................
  */
  assert( pParent->nOverflow==0 || pParent->nOverflow==1 );
  assert( pParent->nOverflow==0 || pParent->aiOvfl[0]==iParentIdx );

  if( !aOvflSpace ){
    return SQLITE_NOMEM_BKPT;
  }


  /* Find the sibling pages to balance. Also locate the cells in pParent 
  ** that divide the siblings. An attempt is made to find NN siblings on 
  ** either side of pPage. More siblings are taken from one side, however, 
  ** if there are fewer than NN siblings on the other side. If pParent
  ** has NB or fewer children then all children of pParent are taken.  
  **
................................................................................
  pgno = get4byte(pRight);
  while( 1 ){
    rc = getAndInitPage(pBt, pgno, &apOld[i], 0, 0);
    if( rc ){
      memset(apOld, 0, (i+1)*sizeof(MemPage*));
      goto balance_cleanup;
    }
    nMaxCells += 1+apOld[i]->nCell+apOld[i]->nOverflow;






    if( (i--)==0 ) break;

    if( pParent->nOverflow && i+nxDiv==pParent->aiOvfl[0] ){
      apDiv[i] = pParent->apOvfl[0];
      pgno = get4byte(apDiv[i]);
      szNew[i] = pParent->xCellSize(pParent, apDiv[i]);
      pParent->nOverflow = 0;
................................................................................
      }
      dropCell(pParent, i+nxDiv-pParent->nOverflow, szNew[i], &rc);
    }
  }

  /* Make nMaxCells a multiple of 4 in order to preserve 8-byte
  ** alignment */

  nMaxCells = (nMaxCells + 3)&~3;

  /*
  ** Allocate space for memory structures
  */
  szScratch =
       nMaxCells*sizeof(u8*)                       /* b.apCell */
     + nMaxCells*sizeof(u16)                       /* b.szCell */
     + pBt->pageSize;                              /* aSpace1 */

  assert( szScratch<=6*(int)pBt->pageSize );
  b.apCell = sqlite3StackAllocRaw(0, szScratch );
  if( b.apCell==0 ){
    rc = SQLITE_NOMEM_BKPT;
    goto balance_cleanup;
  }
  b.szCell = (u16*)&b.apCell[nMaxCells];
  aSpace1 = (u8*)&b.szCell[nMaxCells];
................................................................................
  ** 
  */
  usableSpace = pBt->usableSize - 12 + leafCorrection;
  for(i=k=0; i<nOld; i++, k++){
    MemPage *p = apOld[i];
    b.apEnd[k] = p->aDataEnd;
    b.ixNx[k] = cntOld[i];



    if( !leafData ){
      k++;
      b.apEnd[k] = pParent->aDataEnd;
      b.ixNx[k] = cntOld[i]+1;
    }

    szNew[i] = usableSpace - p->nFree;
    for(j=0; j<p->nOverflow; j++){
      szNew[i] += 2 + p->xCellSize(p, p->apOvfl[j]);
    }
    cntNew[i] = cntOld[i];
  }
  k = nOld;
................................................................................
  ** associated with the right-child of each sibling may also need to be 
  ** updated. This happens below, after the sibling pages have been 
  ** populated, not here.
  */
  if( ISAUTOVACUUM ){
    MemPage *pOld;
    MemPage *pNew = pOld = apNew[0];
    u8 *aOld = pNew->aData;
    int cntOldNext = pNew->nCell + pNew->nOverflow;
    int usableSize = pBt->usableSize;
    int iNew = 0;
    int iOld = 0;

    for(i=0; i<b.nCell; i++){
      u8 *pCell = b.apCell[i];
      if( i==cntOldNext ){


        pOld = (++iOld)<nNew ? apNew[iOld] : apOld[iOld];
        cntOldNext += pOld->nCell + pOld->nOverflow + !leafData;
        aOld = pOld->aData;
      }
      if( i==cntNew[iNew] ){
        pNew = apNew[++iNew];
        if( !leafData ) continue;
      }

      /* Cell pCell is destined for new sibling page pNew. Originally, it
................................................................................
      ** was either part of sibling page iOld (possibly an overflow cell), 
      ** or else the divider cell to the left of sibling page iOld. So,
      ** if sibling page iOld had the same page number as pNew, and if
      ** pCell really was a part of sibling page iOld (not a divider or
      ** overflow cell), we can skip updating the pointer map entries.  */
      if( iOld>=nNew
       || pNew->pgno!=aPgno[iOld]
       || !SQLITE_WITHIN(pCell,aOld,&aOld[usableSize])
      ){
        if( !leafCorrection ){
          ptrmapPut(pBt, get4byte(pCell), PTRMAP_BTREE, pNew->pgno, &rc);
        }
        if( cachedCellSize(&b,i)>pNew->minLocal ){
          ptrmapPutOvflPtr(pNew, pOld, pCell, &rc);
        }
................................................................................
    ** by smaller than the child due to the database header, and so all the
    ** free space needs to be up front.
    */
    assert( nNew==1 || CORRUPT_DB );
    rc = defragmentPage(apNew[0], -1);
    testcase( rc!=SQLITE_OK );
    assert( apNew[0]->nFree == 

        (get2byte(&apNew[0]->aData[5])-apNew[0]->cellOffset-apNew[0]->nCell*2)
      || rc!=SQLITE_OK
    );
    copyNodeContent(apNew[0], pParent, &rc);
    freePage(apNew[0], &rc);
  }else if( ISAUTOVACUUM && !leafCorrection ){
    /* Fix the pointer map entries associated with the right-child of each
    ** sibling page. All other pointer map entries have already been taken
................................................................................
  if( rc ){
    *ppChild = 0;
    releasePage(pChild);
    return rc;
  }
  assert( sqlite3PagerIswriteable(pChild->pDbPage) );
  assert( sqlite3PagerIswriteable(pRoot->pDbPage) );
  assert( pChild->nCell==pRoot->nCell );

  TRACE(("BALANCE: copy root %d into %d\n", pRoot->pgno, pChild->pgno));

  /* Copy the overflow cells from pRoot to pChild */
  memcpy(pChild->aiOvfl, pRoot->aiOvfl,
         pRoot->nOverflow*sizeof(pRoot->aiOvfl[0]));
  memcpy(pChild->apOvfl, pRoot->apOvfl,
................................................................................
  VVA_ONLY( int balance_quick_called = 0 );
  VVA_ONLY( int balance_deeper_called = 0 );

  do {
    int iPage = pCur->iPage;
    MemPage *pPage = pCur->pPage;


    if( iPage==0 ){
      if( pPage->nOverflow ){
        /* The root page of the b-tree is overfull. In this case call the
        ** balance_deeper() function to create a new child for the root-page
        ** and copy the current contents of the root-page to it. The
        ** next iteration of the do-loop will balance the child page.
        */ 
................................................................................
    }else if( pPage->nOverflow==0 && pPage->nFree<=nMin ){
      break;
    }else{
      MemPage * const pParent = pCur->apPage[iPage-1];
      int const iIdx = pCur->aiIdx[iPage-1];

      rc = sqlite3PagerWrite(pParent->pDbPage);



      if( rc==SQLITE_OK ){
#ifndef SQLITE_OMIT_QUICKBALANCE
        if( pPage->intKeyLeaf
         && pPage->nOverflow==1
         && pPage->aiOvfl[0]==pPage->nCell
         && pParent->pgno!=1
         && pParent->nCell==iIdx
................................................................................

  }
  assert( pCur->eState==CURSOR_VALID || (pCur->eState==CURSOR_INVALID && loc) );

  pPage = pCur->pPage;
  assert( pPage->intKey || pX->nKey>=0 );
  assert( pPage->leaf || !pPage->intKey );





  TRACE(("INSERT: table=%d nkey=%lld ndata=%d page=%d %s\n",
          pCur->pgnoRoot, pX->nKey, pX->nData, pPage->pgno,
          loc==0 ? "overwrite" : "new entry"));
  assert( pPage->isInit );
  newCell = pBt->pTmpSpace;
  assert( newCell!=0 );
................................................................................

  assert( cursorOwnsBtShared(pCur) );
  assert( pBt->inTransaction==TRANS_WRITE );
  assert( (pBt->btsFlags & BTS_READ_ONLY)==0 );
  assert( pCur->curFlags & BTCF_WriteFlag );
  assert( hasSharedCacheTableLock(p, pCur->pgnoRoot, pCur->pKeyInfo!=0, 2) );
  assert( !hasReadConflicts(p, pCur->pgnoRoot) );
  assert( pCur->ix<pCur->pPage->nCell );




  assert( pCur->eState==CURSOR_VALID );
  assert( (flags & ~(BTREE_SAVEPOSITION | BTREE_AUXDELETE))==0 );

  iCellDepth = pCur->iPage;
  iCellIdx = pCur->ix;
  pPage = pCur->pPage;
  pCell = findCell(pPage, iCellIdx);


  /* If the bPreserve flag is set to true, then the cursor position must
  ** be preserved following this delete operation. If the current delete
  ** will cause a b-tree rebalance, then this is done by saving the cursor
  ** key and leaving the cursor in CURSOR_REQUIRESEEK state before 
  ** returning. 
  **
................................................................................
  ** node to replace the deleted cell.  */
  if( !pPage->leaf ){
    MemPage *pLeaf = pCur->pPage;
    int nCell;
    Pgno n;
    unsigned char *pTmp;





    if( iCellDepth<pCur->iPage-1 ){
      n = pCur->apPage[iCellDepth+1]->pgno;
    }else{
      n = pCur->pPage->pgno;
    }
    pCell = findCell(pLeaf, pLeaf->nCell-1);
    if( pCell<&pLeaf->aData[4] ) return SQLITE_CORRUPT_BKPT;
................................................................................
  int rc;
  MemPage *pPage = 0;
  BtShared *pBt = p->pBt;

  assert( sqlite3BtreeHoldsMutex(p) );
  assert( p->inTrans==TRANS_WRITE );
  assert( iTable>=2 );




  rc = btreeGetPage(pBt, (Pgno)iTable, &pPage, 0);
  if( rc ) return rc;
  rc = sqlite3BtreeClearTable(p, iTable, 0);
  if( rc ){
    releasePage(pPage);
    return rc;
................................................................................
** Check the integrity of the freelist or of an overflow page list.
** Verify that the number of pages on the list is N.
*/
static void checkList(
  IntegrityCk *pCheck,  /* Integrity checking context */
  int isFreeList,       /* True for a freelist.  False for overflow page list */
  int iPage,            /* Page number for first page in the list */
  int N                 /* Expected number of pages in the list */
){
  int i;
  int expected = N;
  int nErrAtStart = pCheck->nErr;
  while( iPage!=0 && pCheck->mxErr ){
    DbPage *pOvflPage;
    unsigned char *pOvflData;
    if( checkRef(pCheck, iPage) ) break;
    N--;
    if( sqlite3PagerGet(pCheck->pPager, (Pgno)iPage, &pOvflPage, 0) ){
................................................................................
  pPage->isInit = 0;
  if( (rc = btreeInitPage(pPage))!=0 ){
    assert( rc==SQLITE_CORRUPT );  /* The only possible error from InitPage */
    checkAppendMsg(pCheck,
                   "btreeInitPage() returns error code %d", rc);
    goto end_of_check;
  }





  data = pPage->aData;
  hdr = pPage->hdrOffset;

  /* Set up for cell analysis */
  pCheck->zPfx = "On tree page %d cell %d: ";
  contentOffset = get2byteNotZero(&data[hdr+5]);
  assert( contentOffset<=usableSize );  /* Enforced by btreeInitPage() */
................................................................................
      }
      maxKey = info.nKey;
      keyCanBeEqual = 0;     /* Only the first key on the page may ==maxKey */
    }

    /* Check the content overflow list */
    if( info.nPayload>info.nLocal ){
      int nPage;       /* Number of pages on the overflow chain */
      Pgno pgnoOvfl;   /* First page of the overflow chain */
      assert( pc + info.nSize - 4 <= usableSize );
      nPage = (info.nPayload - info.nLocal + usableSize - 5)/(usableSize - 4);
      pgnoOvfl = get4byte(&pCell[info.nSize - 4]);
#ifndef SQLITE_OMIT_AUTOVACUUM
      if( pBt->autoVacuum ){
        checkPtrmap(pCheck, pgnoOvfl, PTRMAP_OVERFLOW1, iPage);
................................................................................
    ** EVIDENCE-OF: R-20690-50594 The second field of the b-tree page header
    ** is the offset of the first freeblock, or zero if there are no
    ** freeblocks on the page. 
    */
    i = get2byte(&data[hdr+1]);
    while( i>0 ){
      int size, j;
      assert( (u32)i<=usableSize-4 );     /* Enforced by btreeInitPage() */
      size = get2byte(&data[i+2]);
      assert( (u32)(i+size)<=usableSize );  /* Enforced by btreeInitPage() */
      btreeHeapInsert(heap, (((u32)i)<<16)|(i+size-1));
      /* EVIDENCE-OF: R-58208-19414 The first 2 bytes of a freeblock are a
      ** big-endian integer which is the offset in the b-tree page of the next
      ** freeblock in the chain, or zero if the freeblock is the last on the
      ** chain. */
      j = get2byte(&data[i]);
      /* EVIDENCE-OF: R-06866-39125 Freeblocks are always connected in order of
      ** increasing offset. */
      assert( j==0 || j>i+size );  /* Enforced by btreeInitPage() */
      assert( (u32)j<=usableSize-4 );   /* Enforced by btreeInitPage() */
      i = j;
    }
    /* Analyze the min-heap looking for overlap between cells and/or 
    ** freeblocks, and counting the number of untracked bytes in nFrag.
    ** 
    ** Each min-heap entry is of the form:    (start_address<<16)|end_address.
    ** There is an implied first entry the covers the page header, the cell
................................................................................
      /* This is a pointer type.  There may be a flag to indicate what to
      ** do with the pointer. */
      assert( ((p->flags&MEM_Dyn)!=0 ? 1 : 0) +
              ((p->flags&MEM_Ephem)!=0 ? 1 : 0) +
              ((p->flags&MEM_Static)!=0 ? 1 : 0) <= 1 );

      /* No other bits set */
      assert( (p->flags & ~(MEM_Null|MEM_Term|MEM_Subtype
                           |MEM_Dyn|MEM_Ephem|MEM_Static))==0 );
    }else{
      /* A pure NULL might have other flags, such as MEM_Static, MEM_Dyn,
      ** MEM_Ephem, MEM_Cleared, or MEM_Subtype */
    }
  }else{
    /* The MEM_Cleared bit is only allowed on NULLs */
................................................................................
  assert(rc==SQLITE_OK    || pMem->enc!=desiredEnc);
  assert(rc==SQLITE_NOMEM || pMem->enc==desiredEnc);
  return rc;
#endif
}

/*
** Make sure pMem->z points to a writable allocation of at least 
** min(n,32) bytes.
**
** If the bPreserve argument is true, then copy of the content of
** pMem->z into the new allocation.  pMem must be either a string or
** blob if bPreserve is true.  If bPreserve is false, any prior content
** in pMem->z is discarded.
*/
SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3VdbeMemGrow(Mem *pMem, int n, int bPreserve){
................................................................................
  /* If the bPreserve flag is set to true, then the memory cell must already
  ** contain a valid string or blob value.  */
  assert( bPreserve==0 || pMem->flags&(MEM_Blob|MEM_Str) );
  testcase( bPreserve && pMem->z==0 );

  assert( pMem->szMalloc==0
       || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) );
  if( n<32 ) n = 32;
  if( pMem->szMalloc>0 && bPreserve && pMem->z==pMem->zMalloc ){
    pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n);
    bPreserve = 0;
  }else{
    if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc);
    pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n);
  }
................................................................................
** If the given Mem* has a zero-filled tail, turn it into an ordinary
** blob stored in dynamically allocated space.
*/
#ifndef SQLITE_OMIT_INCRBLOB
SQLITE_PRIVATE int sqlite3VdbeMemExpandBlob(Mem *pMem){
  int nByte;
  assert( pMem->flags & MEM_Zero );
  assert( pMem->flags&MEM_Blob );

  assert( !sqlite3VdbeMemIsRowSet(pMem) );
  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );

  /* Set nByte to the number of bytes required to store the expanded blob. */
  nByte = pMem->n + pMem->u.nZero;
  if( nByte<=0 ){

    nByte = 1;
  }
  if( sqlite3VdbeMemGrow(pMem, nByte, 1) ){
    return SQLITE_NOMEM_BKPT;
  }

  memset(&pMem->z[pMem->n], 0, pMem->u.nZero);
................................................................................
    iLimit = SQLITE_MAX_LENGTH;
  }
  flags = (enc==0?MEM_Blob:MEM_Str);
  if( nByte<0 ){
    assert( enc!=0 );
    if( enc==SQLITE_UTF8 ){
      nByte = 0x7fffffff & (int)strlen(z);
      if( nByte>iLimit ) nByte = iLimit+1;
    }else{
      for(nByte=0; nByte<=iLimit && (z[nByte] | z[nByte+1]); nByte+=2){}
    }
    flags |= MEM_Term;
  }

  /* The following block sets the new values of Mem.z and Mem.xDel. It
  ** also sets a flag in local variable "flags" to indicate the memory
  ** management (one of MEM_Dyn or MEM_Static).
  */
  if( xDel==SQLITE_TRANSIENT ){
    int nAlloc = nByte;
    if( flags&MEM_Term ){
      nAlloc += (enc==SQLITE_UTF8?1:2);
    }
    if( nByte>iLimit ){
      return SQLITE_TOOBIG;
    }
    testcase( nAlloc==0 );
    testcase( nAlloc==31 );
    testcase( nAlloc==32 );
    if( sqlite3VdbeMemClearAndResize(pMem, MAX(nAlloc,32)) ){
      return SQLITE_NOMEM_BKPT;
    }
    memcpy(pMem->z, z, nAlloc);
  }else if( xDel==SQLITE_DYNAMIC ){
    sqlite3VdbeMemRelease(pMem);
    pMem->zMalloc = pMem->z = (char *)z;
    pMem->szMalloc = sqlite3DbMallocSize(pMem->db, pMem->zMalloc);
  }else{
    sqlite3VdbeMemRelease(pMem);
    pMem->z = (char *)z;




    pMem->xDel = xDel;
    flags |= ((xDel==SQLITE_STATIC)?MEM_Static:MEM_Dyn);

  }

  pMem->n = nByte;
  pMem->flags = flags;
  pMem->enc = (enc==0 ? SQLITE_UTF8 : enc);

#ifndef SQLITE_OMIT_UTF16
................................................................................
  ** more frequent reallocs and hence provide more opportunities for 
  ** simulated OOM faults.  SQLITE_TEST_REALLOC_STRESS is generally used
  ** during testing only.  With SQLITE_TEST_REALLOC_STRESS grow the op array
  ** by the minimum* amount required until the size reaches 512.  Normal
  ** operation (without SQLITE_TEST_REALLOC_STRESS) is to double the current
  ** size of the op array or add 1KB of space, whichever is smaller. */
#ifdef SQLITE_TEST_REALLOC_STRESS
  int nNew = (v->nOpAlloc>=512 ? v->nOpAlloc*2 : v->nOpAlloc+nOp);

#else

  int nNew = (v->nOpAlloc ? v->nOpAlloc*2 : (int)(1024/sizeof(Op)));
  UNUSED_PARAMETER(nOp);
#endif

  /* Ensure that the size of a VDBE does not grow too large */
  if( nNew > p->db->aLimit[SQLITE_LIMIT_VDBE_OP] ){
    sqlite3OomFault(p->db);
    return SQLITE_NOMEM;
................................................................................
  memset(&sIter, 0, sizeof(sIter));
  sIter.v = v;

  while( (pOp = opIterNext(&sIter))!=0 ){
    int opcode = pOp->opcode;
    if( opcode==OP_Destroy || opcode==OP_VUpdate || opcode==OP_VRename 
     || opcode==OP_VDestroy

     || ((opcode==OP_Halt || opcode==OP_HaltIfNull) 
      && ((pOp->p1)!=SQLITE_OK && pOp->p2==OE_Abort))
    ){
      hasAbort = 1;
      break;
    }
    if( opcode==OP_CreateBtree && pOp->p3==BTREE_INTKEY ) hasCreateTable = 1;
................................................................................
  Vdbe *p,                        /* VM to add scanstatus() to */
  int addrExplain,                /* Address of OP_Explain (or 0) */
  int addrLoop,                   /* Address of loop counter */ 
  int addrVisit,                  /* Address of rows visited counter */
  LogEst nEst,                    /* Estimated number of output rows */
  const char *zName               /* Name of table or index being scanned */
){
  int nByte = (p->nScan+1) * sizeof(ScanStatus);
  ScanStatus *aNew;
  aNew = (ScanStatus*)sqlite3DbRealloc(p->db, p->aScan, nByte);
  if( aNew ){
    ScanStatus *pNew = &aNew[p->nScan++];
    pNew->addrExplain = addrExplain;
    pNew->addrLoop = addrLoop;
    pNew->addrVisit = addrVisit;
................................................................................
#endif /* !SQLITE_OMIT_TRACE && SQLITE_ENABLE_IOTRACE */

/* An instance of this object describes bulk memory available for use
** by subcomponents of a prepared statement.  Space is allocated out
** of a ReusableSpace object by the allocSpace() routine below.
*/
struct ReusableSpace {
  u8 *pSpace;          /* Available memory */
  int nFree;           /* Bytes of available memory */
  int nNeeded;         /* Total bytes that could not be allocated */
};

/* Try to allocate nByte bytes of 8-byte aligned bulk memory for pBuf
** from the ReusableSpace object.  Return a pointer to the allocated
** memory on success.  If insufficient memory is available in the
** ReusableSpace object, increase the ReusableSpace.nNeeded
** value by the amount needed and return NULL.
................................................................................
** This allocator is employed to repurpose unused slots at the end of the
** opcode array of prepared state for other memory needs of the prepared
** statement.
*/
static void *allocSpace(
  struct ReusableSpace *p,  /* Bulk memory available for allocation */
  void *pBuf,               /* Pointer to a prior allocation */
  int nByte                 /* Bytes of memory needed */
){
  assert( EIGHT_BYTE_ALIGNMENT(p->pSpace) );
  if( pBuf==0 ){
    nByte = ROUND8(nByte);
    if( nByte <= p->nFree ){
      p->nFree -= nByte;
      pBuf = &p->pSpace[p->nFree];
................................................................................
  sqlite3_int64 iElapse;
  assert( p->startTime>0 );
  assert( (db->mTrace & (SQLITE_TRACE_PROFILE|SQLITE_TRACE_XPROFILE))!=0 );
  assert( db->init.busy==0 );
  assert( p->zSql!=0 );
  sqlite3OsCurrentTimeInt64(db->pVfs, &iNow);
  iElapse = (iNow - p->startTime)*1000000;
#ifndef SQLITE_OMIT_DEPRECATED  	
  if( db->xProfile ){
    db->xProfile(db->pProfileArg, p->zSql, iElapse);
  }
#endif
  if( db->mTrace & SQLITE_TRACE_PROFILE ){
    db->xTrace(SQLITE_TRACE_PROFILE, db->pTraceArg, p, (void*)&iElapse);
  }
................................................................................
  return aType[pVal->flags&MEM_AffMask];
}

/* Return true if a parameter to xUpdate represents an unchanged column */
SQLITE_API int sqlite3_value_nochange(sqlite3_value *pVal){
  return (pVal->flags&(MEM_Null|MEM_Zero))==(MEM_Null|MEM_Zero);
}






/* Make a copy of an sqlite3_value object
*/
SQLITE_API sqlite3_value *sqlite3_value_dup(const sqlite3_value *pOrig){
  sqlite3_value *pNew;
  if( pOrig==0 ) return 0;
  pNew = sqlite3_malloc( sizeof(*pNew) );
................................................................................
**    3      The name of the table that the column derives from
**    4      The name of the table column that the result column derives from
**
** If the result is not a simple column reference (if it is an expression
** or a constant) then useTypes 2, 3, and 4 return NULL.
*/
static const void *columnName(
  sqlite3_stmt *pStmt,
  int N,
  const void *(*xFunc)(Mem*),
  int useType
){
  const void *ret;
  Vdbe *p;
  int n;
  sqlite3 *db;
#ifdef SQLITE_ENABLE_API_ARMOR
  if( pStmt==0 ){
................................................................................
  db = p->db;
  assert( db!=0 );
  n = sqlite3_column_count(pStmt);
  if( N<n && N>=0 ){
    N += useType*n;
    sqlite3_mutex_enter(db->mutex);
    assert( db->mallocFailed==0 );






    ret = xFunc(&p->aColName[N]);

     /* A malloc may have failed inside of the xFunc() call. If this
    ** is the case, clear the mallocFailed flag and return NULL.
    */
    if( db->mallocFailed ){
      sqlite3OomClear(db);
      ret = 0;
    }
    sqlite3_mutex_leave(db->mutex);
................................................................................
}

/*
** Return the name of the Nth column of the result set returned by SQL
** statement pStmt.
*/
SQLITE_API const char *sqlite3_column_name(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text, COLNAME_NAME);
}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_name16(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text16, COLNAME_NAME);
}
#endif

/*
** Constraint:  If you have ENABLE_COLUMN_METADATA then you must
** not define OMIT_DECLTYPE.
*/
................................................................................

#ifndef SQLITE_OMIT_DECLTYPE
/*
** Return the column declaration type (if applicable) of the 'i'th column
** of the result set of SQL statement pStmt.
*/
SQLITE_API const char *sqlite3_column_decltype(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text, COLNAME_DECLTYPE);
}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_decltype16(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text16, COLNAME_DECLTYPE);
}
#endif /* SQLITE_OMIT_UTF16 */
#endif /* SQLITE_OMIT_DECLTYPE */

#ifdef SQLITE_ENABLE_COLUMN_METADATA
/*
** Return the name of the database from which a result column derives.
** NULL is returned if the result column is an expression or constant or
** anything else which is not an unambiguous reference to a database column.
*/
SQLITE_API const char *sqlite3_column_database_name(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text, COLNAME_DATABASE);
}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_database_name16(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text16, COLNAME_DATABASE);
}
#endif /* SQLITE_OMIT_UTF16 */

/*
** Return the name of the table from which a result column derives.
** NULL is returned if the result column is an expression or constant or
** anything else which is not an unambiguous reference to a database column.
*/
SQLITE_API const char *sqlite3_column_table_name(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text, COLNAME_TABLE);
}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_table_name16(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text16, COLNAME_TABLE);
}
#endif /* SQLITE_OMIT_UTF16 */

/*
** Return the name of the table column from which a result column derives.
** NULL is returned if the result column is an expression or constant or
** anything else which is not an unambiguous reference to a database column.
*/
SQLITE_API const char *sqlite3_column_origin_name(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text, COLNAME_COLUMN);
}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_origin_name16(sqlite3_stmt *pStmt, int N){
  return columnName(
      pStmt, N, (const void*(*)(Mem*))sqlite3_value_text16, COLNAME_COLUMN);
}
#endif /* SQLITE_OMIT_UTF16 */
#endif /* SQLITE_ENABLE_COLUMN_METADATA */


/******************************* sqlite3_bind_  ***************************
** 
................................................................................
/*
** Return true if the prepared statement is guaranteed to not modify the
** database.
*/
SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt){
  return pStmt ? ((Vdbe*)pStmt)->readOnly : 1;
}









/*
** Return true if the prepared statement is in need of being reset.
*/
SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt *pStmt){
  Vdbe *v = (Vdbe*)pStmt;
  return v!=0 && v->magic==VDBE_MAGIC_RUN && v->pc>=0;
................................................................................
#endif

/*
** Invoke the VDBE coverage callback, if that callback is defined.  This
** feature is used for test suite validation only and does not appear an
** production builds.
**
** M is an integer between 2 and 4.  2 indicates a ordinary two-way
** branch (I=0 means fall through and I=1 means taken).  3 indicates
** a 3-way branch where the third way is when one of the operands is
** NULL.  4 indicates the OP_Jump instruction which has three destinations
** depending on whether the first operand is less than, equal to, or greater
** than the second. 








**
** iSrcLine is the source code line (from the __LINE__ macro) that
** generated the VDBE instruction combined with flag bits.  The source
** code line number is in the lower 24 bits of iSrcLine and the upper
** 8 bytes are flags.  The lower three bits of the flags indicate
** values for I that should never occur.  For example, if the branch is
** always taken, the flags should be 0x05 since the fall-through and
** alternate branch are never taken.  If a branch is never taken then
** flags should be 0x06 since only the fall-through approach is allowed.
**
** Bit 0x04 of the flags indicates an OP_Jump opcode that is only
** interested in equal or not-equal.  In other words, I==0 and I==2
** should be treated the same.
**
** Since only a line number is retained, not the filename, this macro
** only works for amalgamation builds.  But that is ok, since these macros
** should be no-ops except for special builds used to measure test coverage.
*/
#if !defined(SQLITE_VDBE_COVERAGE)
# define VdbeBranchTaken(I,M)
................................................................................
    /* The upper 8 bits of iSrcLine are flags.  The lower three bits of
    ** the flags indicate directions that the branch can never go.  If
    ** a branch really does go in one of those directions, assert right
    ** away. */
    mNever = iSrcLine >> 24;
    assert( (I & mNever)==0 );
    if( sqlite3GlobalConfig.xVdbeBranch==0 ) return;  /*NO_TEST*/












    I |= mNever;
    if( M==2 ) I |= 0x04;
    if( M==4 ){
      I |= 0x08;
      if( (mNever&0x08)!=0 && (I&0x05)!=0) I |= 0x05; /*NO_TEST*/
    }
    sqlite3GlobalConfig.xVdbeBranch(sqlite3GlobalConfig.pVdbeBranchArg,
................................................................................
#ifdef VDBE_PROFILE
  u64 start;                 /* CPU clock count at start of opcode */
#endif
  /*** INSERT STACK UNION HERE ***/

  assert( p->magic==VDBE_MAGIC_RUN );  /* sqlite3_step() verifies this */
  sqlite3VdbeEnter(p);









  if( p->rc==SQLITE_NOMEM ){
    /* This happens if a malloc() inside a call to sqlite3_column_text() or
    ** sqlite3_column_text16() failed.  */
    goto no_mem;
  }
  assert( p->rc==SQLITE_OK || (p->rc&0xff)==SQLITE_BUSY );
  assert( p->bIsReader || p->readOnly!=0 );
  p->iCurrentTime = 0;
  assert( p->explain==0 );
  p->pResultSet = 0;
  db->busyHandler.nBusy = 0;
  if( db->u1.isInterrupted ) goto abort_due_to_interrupt;
  sqlite3VdbeIOTraceSql(p);
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  if( db->xProgress ){
    u32 iPrior = p->aCounter[SQLITE_STMTSTATUS_VM_STEP];
    assert( 0 < db->nProgressOps );
    nProgressLimit = db->nProgressOps - (iPrior % db->nProgressOps);
  }else{
    nProgressLimit = 0xffffffff;
  }
#endif
#ifdef SQLITE_DEBUG
  sqlite3BeginBenignMalloc();
  if( p->pc==0
   && (p->db->flags & (SQLITE_VdbeListing|SQLITE_VdbeEQP|SQLITE_VdbeTrace))!=0
  ){
    int i;
    int once = 1;
................................................................................
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  /* Call the progress callback if it is configured and the required number
  ** of VDBE ops have been executed (either since this invocation of
  ** sqlite3VdbeExec() or since last time the progress callback was called).
  ** If the progress callback returns non-zero, exit the virtual machine with
  ** a return code SQLITE_ABORT.
  */
  if( nVmStep>=nProgressLimit && db->xProgress!=0 ){
    assert( db->nProgressOps!=0 );
    nProgressLimit = nVmStep + db->nProgressOps - (nVmStep%db->nProgressOps);
    if( db->xProgress(db->pProgressArg) ){

      rc = SQLITE_INTERRUPT;
      goto abort_due_to_error;
    }
  }
#endif
  
  break;
................................................................................
  pOp->opcode = OP_String;
  pOp->p1 = sqlite3Strlen30(pOp->p4.z);

#ifndef SQLITE_OMIT_UTF16
  if( encoding!=SQLITE_UTF8 ){
    rc = sqlite3VdbeMemSetStr(pOut, pOp->p4.z, -1, SQLITE_UTF8, SQLITE_STATIC);
    assert( rc==SQLITE_OK || rc==SQLITE_TOOBIG );

    if( SQLITE_OK!=sqlite3VdbeChangeEncoding(pOut, encoding) ) goto no_mem;
    assert( pOut->szMalloc>0 && pOut->zMalloc==pOut->z );
    assert( VdbeMemDynamic(pOut)==0 );
    pOut->szMalloc = 0;
    pOut->flags |= MEM_Static;
    if( pOp->p4type==P4_DYNAMIC ){
      sqlite3DbFree(db, pOp->p4.z);
    }
    pOp->p4type = P4_DYNAMIC;
    pOp->p4.z = pOut->z;
    pOp->p1 = pOut->n;
  }
  testcase( rc==SQLITE_TOOBIG );
#endif
  if( pOp->p1>db->aLimit[SQLITE_LIMIT_LENGTH] ){
    goto too_big;
  }
  assert( rc==SQLITE_OK );
  /* Fall through to the next case, OP_String */
}
................................................................................
  assert( pOp->p1>0 && pOp->p1<=p->nVar );
  assert( pOp->p4.z==0 || pOp->p4.z==sqlite3VListNumToName(p->pVList,pOp->p1) );
  pVar = &p->aVar[pOp->p1 - 1];
  if( sqlite3VdbeMemTooBig(pVar) ){
    goto too_big;
  }
  pOut = &aMem[pOp->p2];

  sqlite3VdbeMemShallowCopy(pOut, pVar, MEM_Static);


  UPDATE_MAX_BLOBSIZE(pOut);
  break;
}

/* Opcode: Move P1 P2 P3 * *
** Synopsis: r[P2@P3]=r[P1@P3]
**
................................................................................
case OP_ResultRow: {
  Mem *pMem;
  int i;
  assert( p->nResColumn==pOp->p2 );
  assert( pOp->p1>0 );
  assert( pOp->p1+pOp->p2<=(p->nMem+1 - p->nCursor)+1 );

#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  /* Run the progress counter just before returning.
  */
  if( db->xProgress!=0
   && nVmStep>=nProgressLimit 
   && db->xProgress(db->pProgressArg)!=0
  ){
    rc = SQLITE_INTERRUPT;
    goto abort_due_to_error;
  }
#endif

  /* If this statement has violated immediate foreign key constraints, do
  ** not return the number of rows modified. And do not RELEASE the statement
  ** transaction. It needs to be rolled back.  */
  if( SQLITE_OK!=(rc = sqlite3VdbeCheckFk(p, 0)) ){
    assert( db->flags&SQLITE_CountRows );
    assert( p->usesStmtJournal );
    goto abort_due_to_error;
................................................................................
** without data loss, then jump immediately to P2, or if P2==0
** raise an SQLITE_MISMATCH exception.
*/
case OP_MustBeInt: {            /* jump, in1 */
  pIn1 = &aMem[pOp->p1];
  if( (pIn1->flags & MEM_Int)==0 ){
    applyAffinity(pIn1, SQLITE_AFF_NUMERIC, encoding);
    VdbeBranchTaken((pIn1->flags&MEM_Int)==0, 2);
    if( (pIn1->flags & MEM_Int)==0 ){

      if( pOp->p2==0 ){
        rc = SQLITE_MISMATCH;
        goto abort_due_to_error;
      }else{
        goto jump_to_p2;
      }
    }
  }

  MemSetTypeFlag(pIn1, MEM_Int);
  break;
}

#ifndef SQLITE_OMIT_FLOATING_POINT
/* Opcode: RealAffinity P1 * * * *
**
................................................................................
  if( (flags1 | flags3)&MEM_Null ){
    /* One or both operands are NULL */
    if( pOp->p5 & SQLITE_NULLEQ ){
      /* If SQLITE_NULLEQ is set (which will only happen if the operator is
      ** OP_Eq or OP_Ne) then take the jump or not depending on whether
      ** or not both operands are null.
      */
      assert( pOp->opcode==OP_Eq || pOp->opcode==OP_Ne );
      assert( (flags1 & MEM_Cleared)==0 );
      assert( (pOp->p5 & SQLITE_JUMPIFNULL)==0 || CORRUPT_DB );
      testcase( (pOp->p5 & SQLITE_JUMPIFNULL)!=0 );
      if( (flags1&flags3&MEM_Null)!=0
       && (flags3&MEM_Cleared)==0
      ){
        res = 0;  /* Operands are equal */
      }else{
        res = 1;  /* Operands are not equal */
      }
    }else{
      /* SQLITE_NULLEQ is clear and at least one operand is NULL,
      ** then the result is always NULL.
      ** The jump is taken if the SQLITE_JUMPIFNULL bit is set.
      */
      if( pOp->p5 & SQLITE_STOREP2 ){
................................................................................
      if( (pOp->opcode==OP_Eq)==res2 ) break;
    }
    memAboutToChange(p, pOut);
    MemSetTypeFlag(pOut, MEM_Int);
    pOut->u.i = res2;
    REGISTER_TRACE(pOp->p2, pOut);
  }else{
    VdbeBranchTaken(res!=0, (pOp->p5 & SQLITE_NULLEQ)?2:3);
    if( res2 ){
      goto jump_to_p2;
    }
  }
  break;
}

................................................................................
    op_column_read_header:
      i = pC->nHdrParsed;
      offset64 = aOffset[i];
      zHdr = zData + pC->iHdrOffset;
      zEndHdr = zData + aOffset[0];
      testcase( zHdr>=zEndHdr );
      do{
        if( (t = zHdr[0])<0x80 ){
          zHdr++;
          offset64 += sqlite3VdbeOneByteSerialTypeLen(t);
        }else{
          zHdr += sqlite3GetVarint32(zHdr, &t);

          offset64 += sqlite3VdbeSerialTypeLen(t);
        }
        pC->aType[i++] = t;
        aOffset[i] = (u32)(offset64 & 0xffffffff);
      }while( i<=p2 && zHdr<zEndHdr );

      /* The record is corrupt if any of the following are true:
      ** (1) the bytes of the header extend past the declared header size
      ** (2) the entire header was used but not all data was used
      ** (3) the end of the data extends beyond the end of the record.
      */
................................................................................
  pCx = allocateCursor(p, pOp->p1, pOrig->nField, -1, CURTYPE_BTREE);
  if( pCx==0 ) goto no_mem;
  pCx->nullRow = 1;
  pCx->isEphemeral = 1;
  pCx->pKeyInfo = pOrig->pKeyInfo;
  pCx->isTable = pOrig->isTable;
  pCx->pgnoRoot = pOrig->pgnoRoot;

  rc = sqlite3BtreeCursor(pOrig->pBtx, pCx->pgnoRoot, BTREE_WRCSR,
                          pCx->pKeyInfo, pCx->uc.pCursor);
  /* The sqlite3BtreeCursor() routine can only fail for the first cursor
  ** opened for a database.  Since there is already an open cursor when this
  ** opcode is run, the sqlite3BtreeCursor() cannot fail */
  assert( rc==SQLITE_OK );
  break;
................................................................................
#ifdef SQLITE_TEST
  sqlite3_sort_count++;
  sqlite3_search_count--;
#endif
  p->aCounter[SQLITE_STMTSTATUS_SORT]++;
  /* Fall through into OP_Rewind */
}
/* Opcode: Rewind P1 P2 * * P5
**
** The next use of the Rowid or Column or Next instruction for P1 
** will refer to the first entry in the database table or index.
** If the table or index is empty, jump immediately to P2.
** If the table or index is not empty, fall through to the following 
** instruction.
**
** If P5 is non-zero and the table is not empty, then the "skip-next"
** flag is set on the cursor so that the next OP_Next instruction 
** executed on it is a no-op.
**
** This opcode leaves the cursor configured to move in forward order,
** from the beginning toward the end.  In other words, the cursor is
** configured to use Next, not Prev.
*/
case OP_Rewind: {        /* jump */
  VdbeCursor *pC;
  BtCursor *pCrsr;
  int res;

  assert( pOp->p1>=0 && pOp->p1<p->nCursor );

  pC = p->apCsr[pOp->p1];
  assert( pC!=0 );
  assert( isSorter(pC)==(pOp->opcode==OP_SorterSort) );
  res = 1;
#ifdef SQLITE_DEBUG
  pC->seekOp = OP_Rewind;
#endif
................................................................................
  if( isSorter(pC) ){
    rc = sqlite3VdbeSorterRewind(pC, &res);
  }else{
    assert( pC->eCurType==CURTYPE_BTREE );
    pCrsr = pC->uc.pCursor;
    assert( pCrsr );
    rc = sqlite3BtreeFirst(pCrsr, &res);
#ifndef SQLITE_OMIT_WINDOWFUNC
    if( pOp->p5 ) sqlite3BtreeSkipNext(pCrsr);
#endif
    pC->deferredMoveto = 0;
    pC->cacheStatus = CACHE_STALE;
  }
  if( rc ) goto abort_due_to_error;
  pC->nullRow = (u8)res;
  assert( pOp->p2>0 && pOp->p2<p->nOp );
  VdbeBranchTaken(res!=0,2);
................................................................................
    for(i=0; i<p->nMem; i++){
      aMem[i].pScopyFrom = 0;  /* Prevent false-positive AboutToChange() errs */
      aMem[i].flags |= MEM_Undefined; /* Cause a fault if this reg is reused */
    }
  }
#endif
  pOp = &aOp[-1];

  break;
}

/* Opcode: Param P1 P2 * * *
**
** This opcode is only ever present in sub-programs called via the 
** OP_Program instruction. Copy a value currently stored in a memory 
** cell of the calling (parent) frame to cell P2 in the current frames 
................................................................................
  Mem *pMem;
  assert( pOp->p1>0 && pOp->p1<=(p->nMem+1 - p->nCursor) );
  assert( pOp->p3==0 || pOp->opcode==OP_AggValue );
  pMem = &aMem[pOp->p1];
  assert( (pMem->flags & ~(MEM_Null|MEM_Agg))==0 );
#ifndef SQLITE_OMIT_WINDOWFUNC
  if( pOp->p3 ){

    rc = sqlite3VdbeMemAggValue(pMem, &aMem[pOp->p3], pOp->p4.pFunc);
    pMem = &aMem[pOp->p3];
  }else
#endif
  {
    rc = sqlite3VdbeMemFinalize(pMem, pOp->p4.pFunc);
  }
................................................................................
    sqlite3ResetOneSchema(db, resetSchemaOnFault-1);
  }

  /* This is the only way out of this procedure.  We have to
  ** release the mutexes on btrees that were acquired at the
  ** top. */
vdbe_return:
  testcase( nVmStep>0 );









  p->aCounter[SQLITE_STMTSTATUS_VM_STEP] += (int)nVmStep;
  sqlite3VdbeLeave(p);
  assert( rc!=SQLITE_OK || nExtraDelete==0 
       || sqlite3_strlike("DELETE%",p->zSql,0)!=0 
  );
  return rc;

................................................................................
    ** In this case, allocate space at p->aAlloc[] to copy the requested
    ** range into. Then return a copy of pointer p->aAlloc to the caller.  */
    int nRem;                     /* Bytes remaining to copy */

    /* Extend the p->aAlloc[] allocation if required. */
    if( p->nAlloc<nByte ){
      u8 *aNew;
      int nNew = MAX(128, p->nAlloc*2);
      while( nByte>nNew ) nNew = nNew*2;
      aNew = sqlite3Realloc(p->aAlloc, nNew);
      if( !aNew ) return SQLITE_NOMEM_BKPT;
      p->nAlloc = nNew;
      p->aAlloc = aNew;
    }

................................................................................
  }

  if( pSorter->list.aMemory ){
    int nMin = pSorter->iMemory + nReq;

    if( nMin>pSorter->nMemory ){
      u8 *aNew;



      int iListOff = (u8*)pSorter->list.pList - pSorter->list.aMemory;
      int nNew = pSorter->nMemory * 2;

      while( nNew < nMin ) nNew = nNew*2;
      if( nNew > pSorter->mxPmaSize ) nNew = pSorter->mxPmaSize;
      if( nNew < nMin ) nNew = nMin;

      aNew = sqlite3Realloc(pSorter->list.aMemory, nNew);
      if( !aNew ) return SQLITE_NOMEM_BKPT;

      pSorter->list.pList = (SorterRecord*)&aNew[iListOff];

      pSorter->list.aMemory = aNew;
      pSorter->nMemory = nNew;
    }

    pNew = (SorterRecord*)&pSorter->list.aMemory[pSorter->iMemory];
    pSorter->iMemory += ROUND8(nReq);
    if( pSorter->list.pList ){
................................................................................
          assert( pExpr->pLeft==0 && pExpr->pRight==0 );
          assert( pExpr->x.pList==0 );
          assert( pExpr->x.pSelect==0 );
          pOrig = pEList->a[j].pExpr;
          if( (pNC->ncFlags&NC_AllowAgg)==0 && ExprHasProperty(pOrig, EP_Agg) ){
            sqlite3ErrorMsg(pParse, "misuse of aliased aggregate %s", zAs);
            return WRC_Abort;




          }
          if( sqlite3ExprVectorSize(pOrig)!=1 ){
            sqlite3ErrorMsg(pParse, "row value misused");
            return WRC_Abort;
          }
          resolveAlias(pParse, pEList, j, pExpr, "", nSubquery);
          cnt = 1;
................................................................................
      int no_such_func = 0;       /* True if no such function exists */
      int wrong_num_args = 0;     /* True if wrong number of arguments */
      int is_agg = 0;             /* True if is an aggregate function */
      int nId;                    /* Number of characters in function name */
      const char *zId;            /* The function name. */
      FuncDef *pDef;              /* Information about the function */
      u8 enc = ENC(pParse->db);   /* The database encoding */


      assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
      zId = pExpr->u.zToken;
      nId = sqlite3Strlen30(zId);
      pDef = sqlite3FindFunction(pParse->db, zId, n, enc, 0);
      if( pDef==0 ){
        pDef = sqlite3FindFunction(pParse->db, zId, -2, enc, 0);
................................................................................
          pNC->nErr++;
        }else if( wrong_num_args ){
          sqlite3ErrorMsg(pParse,"wrong number of arguments to function %.*s()",
               nId, zId);
          pNC->nErr++;
        }
        if( is_agg ){



#ifndef SQLITE_OMIT_WINDOWFUNC
          pNC->ncFlags &= ~(pExpr->y.pWin ? NC_AllowWin : NC_AllowAgg);

#else
          pNC->ncFlags &= ~NC_AllowAgg;
#endif
        }
      }
      sqlite3WalkExprList(pWalker, pList);
      if( is_agg ){
................................................................................
          sqlite3WalkExpr(pWalker, pExpr->y.pWin->pFilter);
          if( 0==pSel->pWin 
           || 0==sqlite3WindowCompare(pParse, pSel->pWin, pExpr->y.pWin) 
          ){
            pExpr->y.pWin->pNextWin = pSel->pWin;
            pSel->pWin = pExpr->y.pWin;
          }
          pNC->ncFlags |= NC_AllowWin;
        }else
#endif /* SQLITE_OMIT_WINDOWFUNC */
        {
          NameContext *pNC2 = pNC;
          pExpr->op = TK_AGG_FUNCTION;
          pExpr->op2 = 0;
          while( pNC2 && !sqlite3FunctionUsesThisSrc(pExpr, pNC2->pSrcList) ){
................................................................................
          assert( pDef!=0 );
          if( pNC2 ){
            assert( SQLITE_FUNC_MINMAX==NC_MinMaxAgg );
            testcase( (pDef->funcFlags & SQLITE_FUNC_MINMAX)!=0 );
            pNC2->ncFlags |= NC_HasAgg | (pDef->funcFlags & SQLITE_FUNC_MINMAX);

          }
          pNC->ncFlags |= NC_AllowAgg;
        }

      }
      /* FIX ME:  Compute pExpr->affinity based on the expected return
      ** type of the function 
      */
      return WRC_Prune;
    }
#ifndef SQLITE_OMIT_SUBQUERY
................................................................................
      p->pOrderBy = 0;
    }
  
    /* Recursively resolve names in all subqueries
    */
    for(i=0; i<p->pSrc->nSrc; i++){
      struct SrcList_item *pItem = &p->pSrc->a[i];
      if( pItem->pSelect ){
        NameContext *pNC;         /* Used to iterate name contexts */
        int nRef = 0;             /* Refcount for pOuterNC and outer contexts */
        const char *zSavedContext = pParse->zAuthContext;

        /* Count the total number of references to pOuterNC and all of its
        ** parent contexts. After resolving references to expressions in
        ** pItem->pSelect, check if this value has changed. If so, then
................................................................................
          sqlite3ErrorMsg(pParse, "aggregate functions are not allowed in "
              "the GROUP BY clause");
          return WRC_Abort;
        }
      }
    }


    if( IN_RENAME_OBJECT ){
      Window *pWin;
      for(pWin=p->pWinDefn; pWin; pWin=pWin->pNextWin){
        if( sqlite3ResolveExprListNames(&sNC, pWin->pOrderBy)
         || sqlite3ResolveExprListNames(&sNC, pWin->pPartition)
        ){
          return WRC_Abort;
        }
      }
    }


    /* If this is part of a compound SELECT, check that it has the right
    ** number of expressions in the select list. */
    if( p->pNext && p->pEList->nExpr!=p->pNext->pEList->nExpr ){
      sqlite3SelectWrongNumTermsError(pParse, p->pNext);
      return WRC_Abort;
    }
................................................................................
  NameContext *pNC,       /* Namespace to resolve expressions in. */
  Expr *pExpr             /* The expression to be analyzed. */
){
  u16 savedHasAgg;
  Walker w;

  if( pExpr==0 ) return SQLITE_OK;
  savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg);
  pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg);
  w.pParse = pNC->pParse;
  w.xExprCallback = resolveExprStep;
  w.xSelectCallback = resolveSelectStep;
  w.xSelectCallback2 = 0;
  w.u.pNC = pNC;
#if SQLITE_MAX_EXPR_DEPTH>0
  w.pParse->nHeight += pExpr->nHeight;
................................................................................
    return SQLITE_ERROR;
  }
#endif
  sqlite3WalkExpr(&w, pExpr);
#if SQLITE_MAX_EXPR_DEPTH>0
  w.pParse->nHeight -= pExpr->nHeight;
#endif


  if( pNC->ncFlags & NC_HasAgg ){

    ExprSetProperty(pExpr, EP_Agg);
  }
  pNC->ncFlags |= savedHasAgg;
  return pNC->nErr>0 || w.pParse->nErr>0;
}

/*
** Resolve all names for all expression in an expression list.  This is
** just like sqlite3ResolveExprNames() except that it works for an expression
................................................................................
  if( op==TK_AND && pParse->nErr==0 && !IN_RENAME_OBJECT ){
    /* Take advantage of short-circuit false optimization for AND */
    p = sqlite3ExprAnd(pParse->db, pLeft, pRight);
  }else{
    p = sqlite3DbMallocRawNN(pParse->db, sizeof(Expr));
    if( p ){
      memset(p, 0, sizeof(Expr));
      p->op = op & TKFLG_MASK;
      p->iAgg = -1;
    }
    sqlite3ExprAttachSubtrees(pParse->db, p, pLeft, pRight);
  }
  if( p ) {
    sqlite3ExprCheckHeight(pParse, p->nHeight);
  }
................................................................................
** argument. If an OOM condition is encountered, NULL is returned
** and the db->mallocFailed flag set.
*/
#ifndef SQLITE_OMIT_CTE
static With *withDup(sqlite3 *db, With *p){
  With *pRet = 0;
  if( p ){
    int nByte = sizeof(*p) + sizeof(p->a[0]) * (p->nCte-1);
    pRet = sqlite3DbMallocZero(db, nByte);
    if( pRet ){
      int i;
      pRet->nCte = p->nCte;
      for(i=0; i<p->nCte; i++){
        pRet->a[i].pSelect = sqlite3SelectDup(db, p->a[i].pSelect, 0);
        pRet->a[i].pCols = sqlite3ExprListDup(db, p->a[i].pCols, 0);
................................................................................
    if( pList==0 ){
      goto no_mem;
    }
    pList->nExpr = 0;
  }else if( (pList->nExpr & (pList->nExpr-1))==0 ){
    ExprList *pNew;
    pNew = sqlite3DbRealloc(db, pList, 
             sizeof(*pList)+(2*pList->nExpr - 1)*sizeof(pList->a[0]));
    if( pNew==0 ){
      goto no_mem;
    }
    pList = pNew;
  }
  pItem = &pList->a[pList->nExpr++];
  assert( offsetof(struct ExprList_item,zName)==sizeof(pItem->pExpr) );
................................................................................
** an ordinary JOIN.  The p argument is the WHERE clause.  If the WHERE
** clause requires that some column of the right table of the LEFT JOIN
** be non-NULL, then the LEFT JOIN can be safely converted into an
** ordinary join.
*/
SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){
  Walker w;











  w.xExprCallback = impliesNotNullRow;
  w.xSelectCallback = 0;
  w.xSelectCallback2 = 0;
  w.eCode = 0;
  w.u.iCur = iTab;
  sqlite3WalkExpr(&w, p);
  return w.eCode;
................................................................................
    pVTab = sqlite3GetVTable(db, pTab);
    if( pVTab->pVtab->pModule->xRename==0 ){
      pVTab = 0;
    }
  }
#endif

  /* Begin a transaction for database iDb. 
  ** Then modify the schema cookie (since the ALTER TABLE modifies the
  ** schema). Open a statement transaction if the table is a virtual
  ** table.
  */
  v = sqlite3GetVdbe(pParse);
  if( v==0 ){
    goto exit_rename_table;
  }


  /* figure out how many UTF-8 characters are in zName */
  zTabName = pTab->zName;
  nTabName = sqlite3Utf8CharLen(zTabName, -1);

  /* Rewrite all CREATE TABLE, INDEX, TRIGGER or VIEW statements in
  ** the schema to use the new table name.  */
................................................................................
  ** SQLite tables) that are identified by the name of the virtual table.
  */
#ifndef SQLITE_OMIT_VIRTUALTABLE
  if( pVTab ){
    int i = ++pParse->nMem;
    sqlite3VdbeLoadString(v, i, zName);
    sqlite3VdbeAddOp4(v, OP_VRename, i, 0, 0,(const char*)pVTab, P4_VTAB);
    sqlite3MayAbort(pParse);
  }
#endif

  renameReloadSchema(pParse, iDb);
  renameTestSchema(pParse, zDb, iDb==1);

exit_rename_table:
................................................................................
    goto exit_rename_column;
  }

  /* Do the rename operation using a recursive UPDATE statement that
  ** uses the sqlite_rename_column() SQL function to compute the new
  ** CREATE statement text for the sqlite_master table.
  */

  zNew = sqlite3NameFromToken(db, pNew);
  if( !zNew ) goto exit_rename_column;
  assert( pNew->n>0 );
  bQuote = sqlite3Isquote(pNew->z[0]);
  sqlite3NestedParse(pParse, 
      "UPDATE \"%w\".%s SET "
      "sql = sqlite_rename_column(sql, type, name, %Q, %Q, %d, %Q, %d, %d) "
................................................................................
  ** remove the entry from the db->aDb[] array. i.e. put everything back the
  ** way we found it.
  */
  if( rc==SQLITE_OK ){
    sqlite3BtreeEnterAll(db);
    db->init.iDb = 0;
    db->mDbFlags &= ~(DBFLAG_SchemaKnownOk);

    rc = sqlite3Init(db, &zErrDyn);

    sqlite3BtreeLeaveAll(db);
    assert( zErrDyn==0 || rc!=SQLITE_OK );
  }
#ifdef SQLITE_USER_AUTHENTICATION
  if( rc==SQLITE_OK ){
    u8 newAuth = 0;
    rc = sqlite3UserAuthCheckLogin(db, zName, &newAuth);
    if( newAuth<db->auth.authLevel ){
      rc = SQLITE_AUTH_USER;
    }
  }
#endif
................................................................................

  if( pParse->nErr ) return;
  assert( pParse->nested<10 );  /* Nesting should only be of limited depth */
  va_start(ap, zFormat);
  zSql = sqlite3VMPrintf(db, zFormat, ap);
  va_end(ap);
  if( zSql==0 ){
    return;   /* A malloc must have failed */





  }
  pParse->nested++;
  memcpy(saveBuf, PARSE_TAIL(pParse), PARSE_TAIL_SZ);
  memset(PARSE_TAIL(pParse), 0, PARSE_TAIL_SZ);
  sqlite3RunParser(pParse, zSql, &zErrMsg);
  sqlite3DbFree(db, zErrMsg);
  sqlite3DbFree(db, zSql);
................................................................................
  }
  if( nTerm==1
   && pCol
   && sqlite3StrICmp(sqlite3ColumnType(pCol,""), "INTEGER")==0
   && sortOrder!=SQLITE_SO_DESC
  ){
    if( IN_RENAME_OBJECT && pList ){

      sqlite3RenameTokenRemap(pParse, &pTab->iPKey, pList->a[0].pExpr);
    }
    pTab->iPKey = iCol;
    pTab->keyConf = (u8)onError;
    assert( autoInc==0 || autoInc==1 );
    pTab->tabFlags |= autoInc*TF_Autoincrement;
    if( pList ) pParse->iPkSortOrder = pList->a[0].sortOrder;
  }else if( autoInc ){
................................................................................
    sqlite3CreateIndex(pParse, 0, 0, 0, pList, pTab->keyConf, 0, 0, 0, 0,
                       SQLITE_IDXTYPE_PRIMARYKEY);
    if( db->mallocFailed || pParse->nErr ) return;
    pPk = sqlite3PrimaryKeyIndex(pTab);
    pTab->iPKey = -1;
  }else{
    pPk = sqlite3PrimaryKeyIndex(pTab);


    /*
    ** Remove all redundant columns from the PRIMARY KEY.  For example, change
    ** "PRIMARY KEY(a,b,a,b,c,b,c,d)" into just "PRIMARY KEY(a,b,c,d)".  Later
    ** code assumes the PRIMARY KEY contains no repeated columns.
    */
    for(i=j=1; i<pPk->nKeyCol; i++){
................................................................................
      sqlite3ErrorMsg(pParse, "");
      return;
    }
    p->tnum = db->init.newTnum;
    if( p->tnum==1 ) p->tabFlags |= TF_Readonly;
  }






  /* Special processing for WITHOUT ROWID Tables */
  if( tabOpts & TF_WithoutRowid ){
    if( (p->tabFlags & TF_Autoincrement) ){
      sqlite3ErrorMsg(pParse,
          "AUTOINCREMENT not allowed on WITHOUT ROWID tables");
      return;
    }
................................................................................
  }
  pDb = &db->aDb[iDb];

  assert( pTab!=0 );
  assert( pParse->nErr==0 );
  if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 
       && db->init.busy==0

#if SQLITE_USER_AUTHENTICATION
       && sqlite3UserAuthTable(pTab->zName)==0
#endif
#ifdef SQLITE_ALLOW_SQLITE_MASTER_INDEX
       && sqlite3StrICmp(&pTab->zName[7],"master")!=0
#endif
       && sqlite3StrNICmp(&pTab->zName[7],"altertab_",9)!=0
 ){
    sqlite3ErrorMsg(pParse, "table %s may not be indexed", pTab->zName);
    goto exit_create_index;
  }
#ifndef SQLITE_OMIT_VIEW
  if( pTab->pSelect ){
    sqlite3ErrorMsg(pParse, "views may not be indexed");
................................................................................
    pList = sqlite3ExprListAppend(pParse, 0,
              sqlite3ExprAlloc(db, TK_ID, &prevCol, 0));
    if( pList==0 ) goto exit_create_index;
    assert( pList->nExpr==1 );
    sqlite3ExprListSetSortOrder(pList, sortOrder);
  }else{
    sqlite3ExprListCheckLength(pParse, pList, "index");

  }

  /* Figure out how many bytes of space are required to store explicitly
  ** specified collation sequence names.
  */
  for(i=0; i<pList->nExpr; i++){
    Expr *pExpr = pList->a[i].pExpr;
................................................................................
  }

  /* 
  ** Allocate the index structure. 
  */
  nName = sqlite3Strlen30(zName);
  nExtraCol = pPk ? pPk->nKeyCol : 1;

  pIndex = sqlite3AllocateIndexObject(db, pList->nExpr + nExtraCol,
                                      nName + nExtra + 1, &zExtra);
  if( db->mallocFailed ){
    goto exit_create_index;
  }
  assert( EIGHT_BYTE_ALIGNMENT(pIndex->aiRowLogEst) );
  assert( EIGHT_BYTE_ALIGNMENT(pIndex->azColl) );
................................................................................
  sqlite3 *db,      /* Connection to notify of malloc failures */
  void *pArray,     /* Array of objects.  Might be reallocated */
  int szEntry,      /* Size of each object in the array */
  int *pnEntry,     /* Number of objects currently in use */
  int *pIdx         /* Write the index of a new slot here */
){
  char *z;
  int n = *pnEntry;
  if( (n & (n-1))==0 ){
    int sz = (n==0) ? 1 : 2*n;
    void *pNew = sqlite3DbRealloc(db, pArray, sz*szEntry);
    if( pNew==0 ){
      *pIdx = -1;
      return pArray;
    }
    pArray = pNew;
  }
  z = (char*)pArray;
  memset(&z[n * szEntry], 0, szEntry);
  *pIdx = n;
  ++*pnEntry;
  return pArray;
}

/*
** Append a new element to the given IdList.  Create a new IdList if
** need be.
................................................................................
  assert( nExtra>=1 );
  assert( pSrc!=0 );
  assert( iStart<=pSrc->nSrc );

  /* Allocate additional space if needed */
  if( (u32)pSrc->nSrc+nExtra>pSrc->nAlloc ){
    SrcList *pNew;
    int nAlloc = pSrc->nSrc*2+nExtra;
    sqlite3 *db = pParse->db;

    if( pSrc->nSrc+nExtra>=SQLITE_MAX_SRCLIST ){
      sqlite3ErrorMsg(pParse, "too many FROM clause terms, max: %d",
                      SQLITE_MAX_SRCLIST);
      return 0;
    }
................................................................................
  Index *pIdx       /* The index that triggers the constraint */
){
  char *zErr;
  int j;
  StrAccum errMsg;
  Table *pTab = pIdx->pTable;

  sqlite3StrAccumInit(&errMsg, pParse->db, 0, 0, 200);

  if( pIdx->aColExpr ){
    sqlite3_str_appendf(&errMsg, "index '%q'", pIdx->zName);
  }else{
    for(j=0; j<pIdx->nKeyCol; j++){
      char *zCol;
      assert( pIdx->aiColumn[j]>=0 );
      zCol = pTab->aCol[pIdx->aiColumn[j]].zName;
................................................................................
      if( sqlite3StrICmp(zName, pWith->a[i].zName)==0 ){
        sqlite3ErrorMsg(pParse, "duplicate WITH table name: %s", zName);
      }
    }
  }

  if( pWith ){
    int nByte = sizeof(*pWith) + (sizeof(pWith->a[1]) * pWith->nCte);
    pNew = sqlite3DbRealloc(db, pWith, nByte);
  }else{
    pNew = sqlite3DbMallocZero(db, sizeof(*pWith));
  }
  assert( (pNew!=0 && zName!=0) || db->mallocFailed );

  if( db->mallocFailed ){
................................................................................
** Set the LIKEOPT flag on the 2-argument function with the given name.
*/
static void setLikeOptFlag(sqlite3 *db, const char *zName, u8 flagVal){
  FuncDef *pDef;
  pDef = sqlite3FindFunction(db, zName, 2, SQLITE_UTF8, 0);
  if( ALWAYS(pDef) ){
    pDef->funcFlags |= flagVal;




  }
}

/*
** Register the built-in LIKE and GLOB functions.  The caseSensitive
** parameter determines whether or not the LIKE operator is case
** sensitive.  GLOB is always case sensitive.
................................................................................
        sqlite3VdbeAddOp2(v, iField<0 ? OP_IntCopy : OP_SCopy, x, regIdx+i);
        VdbeComment((v, "%s", iField<0 ? "rowid" : pTab->aCol[iField].zName));
      }
    }
    sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]);
    VdbeComment((v, "for %s", pIdx->zName));
#ifdef SQLITE_ENABLE_NULL_TRIM

    if( pIdx->idxType==2 ) sqlite3SetMakeRecordP5(v, pIdx->pTable);

#endif

    /* In an UPDATE operation, if this index is the PRIMARY KEY index 
    ** of a WITHOUT ROWID table and there has been no change the
    ** primary key, then no collision is possible.  The collision detection
    ** logic below can all be skipped. */
    if( isUpdate && pPk==pIdx && pkChng==0 ){
................................................................................
    }
    for(pSrcIdx=pSrc->pIndex; pSrcIdx; pSrcIdx=pSrcIdx->pNext){
      if( xferCompatibleIndex(pDestIdx, pSrcIdx) ) break;
    }
    if( pSrcIdx==0 ){
      return 0;    /* pDestIdx has no corresponding index in pSrc */
    }







  }
#ifndef SQLITE_OMIT_CHECK
  if( pDest->pCheck && sqlite3ExprListCompare(pSrc->pCheck,pDest->pCheck,-1) ){
    return 0;   /* Tables have different CHECK constraints.  Ticket #2252 */
  }
#endif
#ifndef SQLITE_OMIT_FOREIGN_KEY
................................................................................
      addr1 = sqlite3VdbeAddOp2(v, OP_Rowid, iSrc, regRowid);
      sqlite3VdbeVerifyAbortable(v, onError);
      addr2 = sqlite3VdbeAddOp3(v, OP_NotExists, iDest, 0, regRowid);
      VdbeCoverage(v);
      sqlite3RowidConstraint(pParse, onError, pDest);
      sqlite3VdbeJumpHere(v, addr2);
      autoIncStep(pParse, regAutoinc, regRowid);
    }else if( pDest->pIndex==0 ){
      addr1 = sqlite3VdbeAddOp2(v, OP_NewRowid, iDest, regRowid);
    }else{
      addr1 = sqlite3VdbeAddOp2(v, OP_Rowid, iSrc, regRowid);
      assert( (pDest->tabFlags & TF_Autoincrement)==0 );
    }
    sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1);
    if( db->mDbFlags & DBFLAG_Vacuum ){
................................................................................
        if( sqlite3_stricmp(sqlite3StrBINARY, zColl) ) break;
      }
      if( i==pSrcIdx->nColumn ){
        idxInsFlags = OPFLAG_USESEEKRESULT;
        sqlite3VdbeAddOp1(v, OP_SeekEnd, iDest);
      }
    }
    if( !HasRowid(pSrc) && pDestIdx->idxType==2 ){
      idxInsFlags |= OPFLAG_NCHANGE;
    }
    sqlite3VdbeAddOp2(v, OP_IdxInsert, iDest, regData);
    sqlite3VdbeChangeP5(v, idxInsFlags|OPFLAG_APPEND);
    sqlite3VdbeAddOp2(v, OP_Next, iSrc, addr1+1); VdbeCoverage(v);
    sqlite3VdbeJumpHere(v, addr1);
    sqlite3VdbeAddOp2(v, OP_Close, iSrc, 0);
................................................................................
                            void (*xStep)(sqlite3_context*,int,sqlite3_value**),
                            void (*xFinal)(sqlite3_context*),
                            void (*xValue)(sqlite3_context*),
                            void (*xInv)(sqlite3_context*,int,sqlite3_value**),
                            void(*xDestroy)(void*));
  /* Version 3.26.0 and later */
  const char *(*normalized_sql)(sqlite3_stmt*);



};

/*
** This is the function signature used for all extension entry points.  It
** is also defined in the file "loadext.c".
*/
typedef int (*sqlite3_loadext_entry)(
................................................................................
#define sqlite3_str_errcode            sqlite3_api->str_errcode
#define sqlite3_str_length             sqlite3_api->str_length
#define sqlite3_str_value              sqlite3_api->str_value
/* Version 3.25.0 and later */
#define sqlite3_create_window_function sqlite3_api->create_window_function
/* Version 3.26.0 and later */
#define sqlite3_normalized_sql         sqlite3_api->normalized_sql



#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;
................................................................................
  sqlite3_str_errcode,
  sqlite3_str_length,
  sqlite3_str_value,
  /* Version 3.25.0 and later */
  sqlite3_create_window_function,
  /* Version 3.26.0 and later */
#ifdef SQLITE_ENABLE_NORMALIZE
  sqlite3_normalized_sql
#else
  0
#endif



};

/*
** Attempt to load an SQLite extension library contained in the file
** zFile.  The entry point is zProc.  zProc may be 0 in which case a
** default entry point name (sqlite3_extension_init) is used.  Use
** of the default name is recommended.
................................................................................

/*
** Update the accumulator memory cells for an aggregate based on
** the current cursor position.
**
** If regAcc is non-zero and there are no min() or max() aggregates
** in pAggInfo, then only populate the pAggInfo->nAccumulator accumulator
** registers i register regAcc contains 0. The caller will take care
** of setting and clearing regAcc.
*/
static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){
  Vdbe *v = pParse->pVdbe;
  int i;
  int regHit = 0;
  int addrHitTest = 0;
................................................................................
  sqlite3ExprDelete(pParse->db, pInto);
  return;
}

/*
** This routine implements the OP_Vacuum opcode of the VDBE.
*/
SQLITE_PRIVATE int sqlite3RunVacuum(
  char **pzErrMsg,        /* Write error message here */
  sqlite3 *db,            /* Database connection */
  int iDb,                /* Which attached DB to vacuum */
  sqlite3_value *pOut     /* Write results here, if not NULL */
){
  int rc = SQLITE_OK;     /* Return code from service routines */
  Btree *pMain;           /* The database being vacuumed */
  Btree *pTemp;           /* The temporary database we vacuum into */
  u32 saved_mDbFlags;     /* Saved value of db->mDbFlags */
  u64 saved_flags;        /* Saved value of db->flags */
  int saved_nChange;      /* Saved value of db->nChange */
  int saved_nTotalChange; /* Saved value of db->nTotalChange */

  u8 saved_mTrace;        /* Saved trace settings */
  Db *pDb = 0;            /* Database to detach at end of vacuum */
  int isMemDb;            /* True if vacuuming a :memory: database */
  int nRes;               /* Bytes of reserved space at the end of each page */
  int nDb;                /* Number of attached databases */
  const char *zDbMain;    /* Schema name of database to vacuum */
  const char *zOut;       /* Name of output file */

  if( !db->autoCommit ){
    sqlite3SetString(pzErrMsg, db, "cannot VACUUM from within a transaction");
    return SQLITE_ERROR;
  }
  if( db->nVdbeActive>1 ){
    sqlite3SetString(pzErrMsg, db,"cannot VACUUM - SQL statements in progress");
    return SQLITE_ERROR;
  }

  if( pOut ){
    if( sqlite3_value_type(pOut)!=SQLITE_TEXT ){
      sqlite3SetString(pzErrMsg, db, "non-text filename");
      return SQLITE_ERROR;
    }
    zOut = (const char*)sqlite3_value_text(pOut);


  }else{
    zOut = "";
  }

  /* Save the current value of the database flags so that it can be 
  ** restored before returning. Then set the writable-schema flag, and
  ** disable CHECK and foreign key constraints.  */
................................................................................
  ** actually occurs when doing a vacuum since the vacuum_db is initially
  ** empty.  Only the journal header is written.  Apparently it takes more
  ** time to parse and run the PRAGMA to turn journalling off than it does
  ** to write the journal header file.
  */
  nDb = db->nDb;
  rc = execSqlF(db, pzErrMsg, "ATTACH %Q AS vacuum_db", zOut);

  if( rc!=SQLITE_OK ) goto end_of_vacuum;
  assert( (db->nDb-1)==nDb );
  pDb = &db->aDb[nDb];
  assert( strcmp(pDb->zDbSName,"vacuum_db")==0 );
  pTemp = pDb->pBt;
  if( pOut ){
    sqlite3_file *id = sqlite3PagerFile(sqlite3BtreePager(pTemp));
    i64 sz = 0;
    if( id->pMethods!=0 && (sqlite3OsFileSize(id, &sz)!=SQLITE_OK || sz>0) ){
      rc = SQLITE_ERROR;
      sqlite3SetString(pzErrMsg, db, "output file already exists");
      goto end_of_vacuum;
    }

  }
  nRes = sqlite3BtreeGetOptimalReserve(pMain);

  /* A VACUUM cannot change the pagesize of an encrypted database. */
#ifdef SQLITE_HAS_CODEC
  if( db->nextPagesize ){
    extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*);
................................................................................

/*
** Add a new module argument to pTable->azModuleArg[].
** The string is not copied - the pointer is stored.  The
** string will be freed automatically when the table is
** deleted.
*/
static void addModuleArgument(sqlite3 *db, Table *pTable, char *zArg){
  int nBytes = sizeof(char *)*(2+pTable->nModuleArg);
  char **azModuleArg;




  azModuleArg = sqlite3DbRealloc(db, pTable->azModuleArg, nBytes);
  if( azModuleArg==0 ){
    sqlite3DbFree(db, zArg);
  }else{
    int i = pTable->nModuleArg++;
    azModuleArg[i] = zArg;
    azModuleArg[i+1] = 0;
................................................................................
  pTable = pParse->pNewTable;
  if( pTable==0 ) return;
  assert( 0==pTable->pIndex );

  db = pParse->db;

  assert( pTable->nModuleArg==0 );
  addModuleArgument(db, pTable, sqlite3NameFromToken(db, pModuleName));
  addModuleArgument(db, pTable, 0);
  addModuleArgument(db, pTable, sqlite3DbStrDup(db, pTable->zName));
  assert( (pParse->sNameToken.z==pName2->z && pName2->z!=0)
       || (pParse->sNameToken.z==pName1->z && pName2->z==0)
  );
  pParse->sNameToken.n = (int)(
      &pModuleName->z[pModuleName->n] - pParse->sNameToken.z
  );

................................................................................
** virtual table currently under construction in pParse->pTable.
*/
static void addArgumentToVtab(Parse *pParse){
  if( pParse->sArg.z && pParse->pNewTable ){
    const char *z = (const char*)pParse->sArg.z;
    int n = pParse->sArg.n;
    sqlite3 *db = pParse->db;
    addModuleArgument(db, pParse->pNewTable, sqlite3DbStrNDup(db, z, n));
  }
}

/*
** The parser calls this routine after the CREATE VIRTUAL TABLE statement
** has been completely parsed.
*/
................................................................................
*/
static int growVTrans(sqlite3 *db){
  const int ARRAY_INCR = 5;

  /* Grow the sqlite3.aVTrans array if required */
  if( (db->nVTrans%ARRAY_INCR)==0 ){
    VTable **aVTrans;
    int nBytes = sizeof(sqlite3_vtab *) * (db->nVTrans + ARRAY_INCR);

    aVTrans = sqlite3DbRealloc(db, (void *)db->aVTrans, nBytes);
    if( !aVTrans ){
      return SQLITE_NOMEM_BKPT;
    }
    memset(&aVTrans[db->nVTrans], 0, sizeof(sqlite3_vtab *)*ARRAY_INCR);
    db->aVTrans = aVTrans;
  }
................................................................................
    return 0;
  }
  pMod->pEpoTab = pTab;
  pTab->nTabRef = 1;
  pTab->pSchema = db->aDb[0].pSchema;
  assert( pTab->nModuleArg==0 );
  pTab->iPKey = -1;
  addModuleArgument(db, pTab, sqlite3DbStrDup(db, pTab->zName));
  addModuleArgument(db, pTab, 0);
  addModuleArgument(db, pTab, sqlite3DbStrDup(db, pTab->zName));
  rc = vtabCallConstructor(db, pTab, pMod, pModule->xConnect, &zErr);
  if( rc ){
    sqlite3ErrorMsg(pParse, "%s", zErr);
    sqlite3DbFree(db, zErr);
    sqlite3VtabEponymousTableClear(db, pMod);
    return 0;
  }
................................................................................
    x.iIdxCol = iIdxCol;
    x.pIdxExpr = aColExpr->a[iIdxCol].pExpr;
    sqlite3WalkExpr(&w, pWInfo->pWhere);
    sqlite3WalkExprList(&w, pWInfo->pOrderBy);
    sqlite3WalkExprList(&w, pWInfo->pResultSet);
  }
}





























/*
** Generate code for the start of the iLevel-th loop in the WHERE clause
** implementation described by pWInfo.
*/
SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart(
  Parse *pParse,       /* Parsing context */
................................................................................
    ** OR clause, since the transformation will become invalid once we
    ** move forward to the next index.
    ** https://sqlite.org/src/info/4e8e4857d32d401f
    */
    if( pLevel->iLeftJoin==0 && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 ){
      whereIndexExprTrans(pIdx, iCur, iIdxCur, pWInfo);
    }









    /* Record the instruction used to terminate the loop. */
    if( pLoop->wsFlags & WHERE_ONEROW ){
      pLevel->op = OP_Noop;
    }else if( bRev ){
      pLevel->op = OP_Prev;
    }else{
................................................................................
        if( (pWC->a[iTerm].wtFlags & (TERM_VIRTUAL|TERM_CODED))!=0 ) continue;
        if( (pWC->a[iTerm].eOperator & WO_ALL)==0 ) continue;
        testcase( pWC->a[iTerm].wtFlags & TERM_ORINFO );
        pExpr = sqlite3ExprDup(db, pExpr, 0);
        pAndExpr = sqlite3ExprAnd(db, pAndExpr, pExpr);
      }
      if( pAndExpr ){





        pAndExpr = sqlite3PExpr(pParse, TK_AND|TKFLG_DONTFOLD, 0, pAndExpr);
      }
    }

    /* Run a separate WHERE clause for each term of the OR clause.  After
    ** eliminating duplicates from other WHERE clauses, the action for each
    ** sub-WHERE clause is to to invoke the main loop body as a subroutine.
    */
................................................................................
        ** that compares BLOBs. */
#ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS
        continue;
#else
        u32 x = pLevel->iLikeRepCntr;
        if( x>0 ){
          skipLikeAddr = sqlite3VdbeAddOp1(v, (x&1)?OP_IfNot:OP_If,(int)(x>>1));


        }
        VdbeCoverage(v);
#endif
      }
#ifdef WHERETRACE_ENABLED /* 0xffff */
      if( sqlite3WhereTrace ){
        VdbeNoopComment((v, "WhereTerm[%d] (%p) priority=%d",
                         pWC->nTerm-j, pTerm, iLoop));
      }
................................................................................
    assert( p->x.pList==0 );
  }else if( ExprHasProperty(p, EP_xIsSelect) ){
    if( ExprHasProperty(p, EP_VarSelect) ) pMaskSet->bVarSelect = 1;
    mask |= exprSelectUsage(pMaskSet, p->x.pSelect);
  }else if( p->x.pList ){
    mask |= sqlite3WhereExprListUsage(pMaskSet, p->x.pList);
  }






  return mask;
}
SQLITE_PRIVATE Bitmask sqlite3WhereExprUsage(WhereMaskSet *pMaskSet, Expr *p){
  return p ? sqlite3WhereExprUsageNN(pMaskSet,p) : 0;
}
SQLITE_PRIVATE Bitmask sqlite3WhereExprListUsage(WhereMaskSet *pMaskSet, ExprList *pList){
  int i;
................................................................................

  /* First call xBestIndex() with all constraints usable. */
  WHERETRACE(0x800, ("BEGIN %s.addVirtual()\n", pSrc->pTab->zName));
  WHERETRACE(0x40, ("  VirtualOne: all usable\n"));
  rc = whereLoopAddVirtualOne(pBuilder, mPrereq, ALLBITS, 0, p, mNoOmit, &bIn);

  /* If the call to xBestIndex() with all terms enabled produced a plan
  ** that does not require any source tables (IOW: a plan with mBest==0),
  ** then there is no point in making any further calls to xBestIndex() 
  ** since they will all return the same result (if the xBestIndex()
  ** implementation is sane). */
  if( rc==SQLITE_OK && (mBest = (pNew->prereq & ~mPrereq))!=0 ){
    int seenZero = 0;             /* True if a plan with no prereqs seen */
    int seenZeroNoIN = 0;         /* Plan with no prereqs and no IN(...) seen */
    Bitmask mPrev = 0;
    Bitmask mBestNoIn = 0;

    /* If the plan produced by the earlier call uses an IN(...) term, call
    ** xBestIndex again, this time with IN(...) terms disabled. */
................................................................................
      p->nValue++;
      p->nStep = 0;
    }
    sqlite3_result_int64(pCtx, p->nValue);
  }
}



























































































/*
** Implementation of built-in window function rank(). Assumes that
** the window frame has been set to:
**
**   RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW 
*/
static void rankStepFunc(
................................................................................
  }
}

/*
** Implementation of built-in window function percent_rank(). Assumes that
** the window frame has been set to:
**
**   RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW 
*/
static void percent_rankStepFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct CallCount *p;
  UNUSED_PARAMETER(nArg); assert( nArg==1 );


  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p ){
    if( p->nTotal==0 ){
      p->nTotal = sqlite3_value_int64(apArg[0]);
    }
    p->nStep++;
    if( p->nValue==0 ){
      p->nValue = p->nStep;
    }
  }










}
static void percent_rankValueFunc(sqlite3_context *pCtx){
  struct CallCount *p;
  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p ){

    if( p->nTotal>1 ){
      double r = (double)(p->nValue-1) / (double)(p->nTotal-1);
      sqlite3_result_double(pCtx, r);
    }else{
      sqlite3_result_double(pCtx, 0.0);
    }
    p->nValue = 0;
  }
}


/*
** Implementation of built-in window function cume_dist(). Assumes that
** the window frame has been set to:
**
**   RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW 
*/
static void cume_distStepFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct CallCount *p;
  assert( nArg==1 ); UNUSED_PARAMETER(nArg);


  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p ){
    if( p->nTotal==0 ){
      p->nTotal = sqlite3_value_int64(apArg[0]);
    }
    p->nStep++;
  }










}
static void cume_distValueFunc(sqlite3_context *pCtx){
  struct CallCount *p;
  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p && p->nTotal ){
    double r = (double)(p->nStep) / (double)(p->nTotal);
    sqlite3_result_double(pCtx, r);
  }
}


/*
** Context object for ntile() window function.
*/
struct NtileCtx {
  i64 nTotal;                     /* Total rows in partition */
  i64 nParam;                     /* Parameter passed to ntile(N) */
................................................................................
  i64 iRow;                       /* Current row */
};

/*
** Implementation of ntile(). This assumes that the window frame has
** been coerced to:
**
**   ROWS UNBOUNDED PRECEDING AND CURRENT ROW
*/
static void ntileStepFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct NtileCtx *p;
  assert( nArg==2 ); UNUSED_PARAMETER(nArg);
  p = (struct NtileCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p ){
    if( p->nTotal==0 ){
      p->nParam = sqlite3_value_int64(apArg[0]);
      p->nTotal = sqlite3_value_int64(apArg[1]);
      if( p->nParam<=0 ){
        sqlite3_result_error(
            pCtx, "argument of ntile must be a positive integer", -1
        );
      }
    }
    p->iRow++;
  }











}
static void ntileValueFunc(sqlite3_context *pCtx){
  struct NtileCtx *p;
  p = (struct NtileCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p && p->nParam>0 ){
    int nSize = (p->nTotal / p->nParam);
    if( nSize==0 ){
      sqlite3_result_int64(pCtx, p->iRow);
    }else{
      i64 nLarge = p->nTotal - p->nParam*nSize;
      i64 iSmall = nLarge*(nSize+1);
      i64 iRow = p->iRow-1;

      assert( (nLarge*(nSize+1) + (p->nParam-nLarge)*nSize)==p->nTotal );

      if( iRow<iSmall ){
        sqlite3_result_int64(pCtx, 1 + iRow/(nSize+1));
      }else{
        sqlite3_result_int64(pCtx, 1 + nLarge + (iRow-iSmall)/nSize);
      }
    }
  }
}


/*
** Context object for last_value() window function.
*/
struct LastValueCtx {
  sqlite3_value *pVal;
  int nVal;
................................................................................
      sqlite3_value_free(p->pVal);
      p->pVal = 0;
    }
  }
}
static void last_valueValueFunc(sqlite3_context *pCtx){
  struct LastValueCtx *p;
  p = (struct LastValueCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p && p->pVal ){
    sqlite3_result_value(pCtx, p->pVal);
  }
}
static void last_valueFinalizeFunc(sqlite3_context *pCtx){
  struct LastValueCtx *p;
  p = (struct LastValueCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
................................................................................
** Register those built-in window functions that are not also aggregates.
*/
SQLITE_PRIVATE void sqlite3WindowFunctions(void){
  static FuncDef aWindowFuncs[] = {
    WINDOWFUNCX(row_number, 0, 0),
    WINDOWFUNCX(dense_rank, 0, 0),
    WINDOWFUNCX(rank, 0, 0),
    WINDOWFUNCX(percent_rank, 0, SQLITE_FUNC_WINDOW_SIZE),
    WINDOWFUNCX(cume_dist, 0, SQLITE_FUNC_WINDOW_SIZE),
    WINDOWFUNCX(ntile, 1, SQLITE_FUNC_WINDOW_SIZE),
    WINDOWFUNCALL(last_value, 1, 0),
    WINDOWFUNCNOOP(nth_value, 2, 0),
    WINDOWFUNCNOOP(first_value, 1, 0),
    WINDOWFUNCNOOP(lead, 1, 0),
    WINDOWFUNCNOOP(lead, 2, 0),
    WINDOWFUNCNOOP(lead, 3, 0),
    WINDOWFUNCNOOP(lag, 1, 0),
    WINDOWFUNCNOOP(lag, 2, 0),
    WINDOWFUNCNOOP(lag, 3, 0),
  };
  sqlite3InsertBuiltinFuncs(aWindowFuncs, ArraySize(aWindowFuncs));
}












/*
** This function is called immediately after resolving the function name
** for a window function within a SELECT statement. Argument pList is a
** linked list of WINDOW definitions for the current SELECT statement.
** Argument pFunc is the function definition just resolved and pWin
** is the Window object representing the associated OVER clause. This
................................................................................
*/
SQLITE_PRIVATE void sqlite3WindowUpdate(
  Parse *pParse, 
  Window *pList,                  /* List of named windows for this SELECT */
  Window *pWin,                   /* Window frame to update */
  FuncDef *pFunc                  /* Window function definition */
){
  if( pWin->zName && pWin->eType==0 ){
    Window *p;
    for(p=pList; p; p=p->pNextWin){
      if( sqlite3StrICmp(p->zName, pWin->zName)==0 ) break;
    }
    if( p==0 ){
      sqlite3ErrorMsg(pParse, "no such window: %s", pWin->zName);
      return;
    }
    pWin->pPartition = sqlite3ExprListDup(pParse->db, p->pPartition, 0);
    pWin->pOrderBy = sqlite3ExprListDup(pParse->db, p->pOrderBy, 0);
    pWin->pStart = sqlite3ExprDup(pParse->db, p->pStart, 0);
    pWin->pEnd = sqlite3ExprDup(pParse->db, p->pEnd, 0);
    pWin->eStart = p->eStart;
    pWin->eEnd = p->eEnd;
    pWin->eType = p->eType;



  }








  if( pFunc->funcFlags & SQLITE_FUNC_WINDOW ){
    sqlite3 *db = pParse->db;
    if( pWin->pFilter ){
      sqlite3ErrorMsg(pParse, 
          "FILTER clause may only be used with aggregate window functions"
      );
    }else

















    if( pFunc->zName==row_numberName || pFunc->zName==ntileName ){
      sqlite3ExprDelete(db, pWin->pStart);
      sqlite3ExprDelete(db, pWin->pEnd);
      pWin->pStart = pWin->pEnd = 0;
      pWin->eType = TK_ROWS;

      pWin->eStart = TK_UNBOUNDED;
      pWin->eEnd = TK_CURRENT;
    }else




    if( pFunc->zName==dense_rankName || pFunc->zName==rankName
     || pFunc->zName==percent_rankName || pFunc->zName==cume_distName
    ){
      sqlite3ExprDelete(db, pWin->pStart);
      sqlite3ExprDelete(db, pWin->pEnd);
      pWin->pStart = pWin->pEnd = 0;
      pWin->eType = TK_RANGE;
      pWin->eStart = TK_UNBOUNDED;
      pWin->eEnd = TK_CURRENT;



    }
  }
  pWin->pFunc = pFunc;
}

/*
** Context object passed through sqlite3WalkExprList() to
................................................................................
      }
    }

    /* Assign a cursor number for the ephemeral table used to buffer rows.
    ** The OpenEphemeral instruction is coded later, after it is known how
    ** many columns the table will have.  */
    pMWin->iEphCsr = pParse->nTab++;


    selectWindowRewriteEList(pParse, pMWin, pSrc, p->pEList, &pSublist);
    selectWindowRewriteEList(pParse, pMWin, pSrc, p->pOrderBy, &pSublist);
    pMWin->nBufferCol = (pSublist ? pSublist->nExpr : 0);

    /* Append the PARTITION BY and ORDER BY expressions to the to the 
    ** sub-select expression list. They are required to figure out where 
................................................................................
      }else{
        pSub->selFlags |= SF_Expanded;
        p->selFlags &= ~SF_Aggregate;
        sqlite3SelectPrep(pParse, pSub, 0);
      }

      sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pMWin->iEphCsr, pSublist->nExpr);



    }else{
      sqlite3SelectDelete(db, pSub);
    }
    if( db->mallocFailed ) rc = SQLITE_NOMEM;
  }

  return rc;
................................................................................
  if( p ){
    sqlite3ExprDelete(db, p->pFilter);
    sqlite3ExprListDelete(db, p->pPartition);
    sqlite3ExprListDelete(db, p->pOrderBy);
    sqlite3ExprDelete(db, p->pEnd);
    sqlite3ExprDelete(db, p->pStart);
    sqlite3DbFree(db, p->zName);

    sqlite3DbFree(db, p);
  }
}

/*
** Free the linked list of Window objects starting at the second argument.
*/
................................................................................
}

/*
** Allocate and return a new Window object describing a Window Definition.
*/
SQLITE_PRIVATE Window *sqlite3WindowAlloc(
  Parse *pParse,    /* Parsing context */
  int eType,        /* Frame type. TK_RANGE or TK_ROWS */
  int eStart,       /* Start type: CURRENT, PRECEDING, FOLLOWING, UNBOUNDED */
  Expr *pStart,     /* Start window size if TK_PRECEDING or FOLLOWING */
  int eEnd,         /* End type: CURRENT, FOLLOWING, TK_UNBOUNDED, PRECEDING */
  Expr *pEnd        /* End window size if TK_FOLLOWING or PRECEDING */

){
  Window *pWin = 0;


  /* Parser assures the following: */
  assert( eType==TK_RANGE || eType==TK_ROWS );
  assert( eStart==TK_CURRENT || eStart==TK_PRECEDING
           || eStart==TK_UNBOUNDED || eStart==TK_FOLLOWING );
  assert( eEnd==TK_CURRENT || eEnd==TK_FOLLOWING
           || eEnd==TK_UNBOUNDED || eEnd==TK_PRECEDING );
  assert( (eStart==TK_PRECEDING || eStart==TK_FOLLOWING)==(pStart!=0) );
  assert( (eEnd==TK_FOLLOWING || eEnd==TK_PRECEDING)==(pEnd!=0) );



  /* If a frame is declared "RANGE" (not "ROWS"), then it may not use
  ** either "<expr> PRECEDING" or "<expr> FOLLOWING".
  */
  if( eType==TK_RANGE && (pStart!=0 || pEnd!=0) ){
    sqlite3ErrorMsg(pParse, "RANGE must use only UNBOUNDED or CURRENT ROW");
    goto windowAllocErr;
  }

  /* Additionally, the
  ** starting boundary type may not occur earlier in the following list than
  ** the ending boundary type:
  **
  **   UNBOUNDED PRECEDING
................................................................................
  ** The parser ensures that "UNBOUNDED PRECEDING" cannot be used as an ending
  ** boundary, and than "UNBOUNDED FOLLOWING" cannot be used as a starting
  ** frame boundary.
  */
  if( (eStart==TK_CURRENT && eEnd==TK_PRECEDING)
   || (eStart==TK_FOLLOWING && (eEnd==TK_PRECEDING || eEnd==TK_CURRENT))
  ){
    sqlite3ErrorMsg(pParse, "unsupported frame delimiter for ROWS");
    goto windowAllocErr;
  }

  pWin = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window));
  if( pWin==0 ) goto windowAllocErr;
  pWin->eType = eType;
  pWin->eStart = eStart;
  pWin->eEnd = eEnd;





  pWin->pEnd = sqlite3WindowOffsetExpr(pParse, pEnd);
  pWin->pStart = sqlite3WindowOffsetExpr(pParse, pStart);
  return pWin;

windowAllocErr:
  sqlite3ExprDelete(pParse->db, pEnd);
  sqlite3ExprDelete(pParse->db, pStart);
  return 0;
}
































































/*
** Attach window object pWin to expression p.
*/
SQLITE_PRIVATE void sqlite3WindowAttach(Parse *pParse, Expr *p, Window *pWin){
  if( p ){
    assert( p->op==TK_FUNCTION );
................................................................................
}

/*
** Return 0 if the two window objects are identical, or non-zero otherwise.
** Identical window objects can be processed in a single scan.
*/
SQLITE_PRIVATE int sqlite3WindowCompare(Parse *pParse, Window *p1, Window *p2){
  if( p1->eType!=p2->eType ) return 1;
  if( p1->eStart!=p2->eStart ) return 1;
  if( p1->eEnd!=p2->eEnd ) return 1;

  if( sqlite3ExprCompare(pParse, p1->pStart, p2->pStart, -1) ) return 1;
  if( sqlite3ExprCompare(pParse, p1->pEnd, p2->pEnd, -1) ) return 1;
  if( sqlite3ExprListCompare(p1->pPartition, p2->pPartition, -1) ) return 1;
  if( sqlite3ExprListCompare(p1->pOrderBy, p2->pOrderBy, -1) ) return 1;
  return 0;
}

................................................................................
** This is called by code in select.c before it calls sqlite3WhereBegin()
** to begin iterating through the sub-query results. It is used to allocate
** and initialize registers and cursors used by sqlite3WindowCodeStep().
*/
SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse *pParse, Window *pMWin){
  Window *pWin;
  Vdbe *v = sqlite3GetVdbe(pParse);




  int nPart = (pMWin->pPartition ? pMWin->pPartition->nExpr : 0);
  nPart += (pMWin->pOrderBy ? pMWin->pOrderBy->nExpr : 0);
  if( nPart ){
    pMWin->regPart = pParse->nMem+1;
    pParse->nMem += nPart;
    sqlite3VdbeAddOp3(v, OP_Null, 0, pMWin->regPart, pMWin->regPart+nPart-1);













  }

  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
    FuncDef *p = pWin->pFunc;
    if( (p->funcFlags & SQLITE_FUNC_MINMAX) && pWin->eStart!=TK_UNBOUNDED ){
      /* The inline versions of min() and max() require a single ephemeral
      ** table and 3 registers. The registers are used as follows:
................................................................................
      sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pWin->csrApp, 2);
      sqlite3VdbeAppendP4(v, pKeyInfo, P4_KEYINFO);
      sqlite3VdbeAddOp2(v, OP_Integer, 0, pWin->regApp+1);
    }
    else if( p->zName==nth_valueName || p->zName==first_valueName ){
      /* Allocate two registers at pWin->regApp. These will be used to
      ** store the start and end index of the current frame.  */
      assert( pMWin->iEphCsr );
      pWin->regApp = pParse->nMem+1;
      pWin->csrApp = pParse->nTab++;
      pParse->nMem += 2;
      sqlite3VdbeAddOp2(v, OP_OpenDup, pWin->csrApp, pMWin->iEphCsr);
    }
    else if( p->zName==leadName || p->zName==lagName ){
      assert( pMWin->iEphCsr );
      pWin->csrApp = pParse->nTab++;
      sqlite3VdbeAddOp2(v, OP_OpenDup, pWin->csrApp, pMWin->iEphCsr);
    }
  }
}







/*
** A "PRECEDING <expr>" (eCond==0) or "FOLLOWING <expr>" (eCond==1) or the
** value of the second argument to nth_value() (eCond==2) has just been
** evaluated and the result left in register reg. This function generates VM
** code to check that the value is a non-negative integer and throws an
** exception if it is not.
*/
static void windowCheckIntValue(Parse *pParse, int reg, int eCond){
  static const char *azErr[] = {
    "frame starting offset must be a non-negative integer",
    "frame ending offset must be a non-negative integer",
    "second argument to nth_value must be a positive integer"


  };
  static int aOp[] = { OP_Ge, OP_Ge, OP_Gt };
  Vdbe *v = sqlite3GetVdbe(pParse);
  int regZero = sqlite3GetTempReg(pParse);
  assert( eCond==0 || eCond==1 || eCond==2 );

  sqlite3VdbeAddOp2(v, OP_Integer, 0, regZero);










  sqlite3VdbeAddOp2(v, OP_MustBeInt, reg, sqlite3VdbeCurrentAddr(v)+2);


  VdbeCoverageIf(v, eCond==0);
  VdbeCoverageIf(v, eCond==1);
  VdbeCoverageIf(v, eCond==2);

  sqlite3VdbeAddOp3(v, aOp[eCond], regZero, sqlite3VdbeCurrentAddr(v)+2, reg);
  VdbeCoverageNeverNullIf(v, eCond==0);
  VdbeCoverageNeverNullIf(v, eCond==1);
  VdbeCoverageNeverNullIf(v, eCond==2);


  sqlite3MayAbort(pParse);
  sqlite3VdbeAddOp2(v, OP_Halt, SQLITE_ERROR, OE_Abort);
  sqlite3VdbeAppendP4(v, (void*)azErr[eCond], P4_STATIC);
  sqlite3ReleaseTempReg(pParse, regZero);
}

/*
................................................................................
** number of rows in the current partition.
*/
static void windowAggStep(
  Parse *pParse, 
  Window *pMWin,                  /* Linked list of window functions */
  int csr,                        /* Read arguments from this cursor */
  int bInverse,                   /* True to invoke xInverse instead of xStep */
  int reg,                        /* Array of registers */
  int regPartSize                 /* Register containing size of partition */
){
  Vdbe *v = sqlite3GetVdbe(pParse);
  Window *pWin;
  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
    int flags = pWin->pFunc->funcFlags;
    int regArg;
    int nArg = windowArgCount(pWin);

    if( csr>=0 ){
      int i;

      for(i=0; i<nArg; i++){

        sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol+i, reg+i);
      }
      regArg = reg;
      if( flags & SQLITE_FUNC_WINDOW_SIZE ){
        if( nArg==0 ){
          regArg = regPartSize;
        }else{
          sqlite3VdbeAddOp2(v, OP_SCopy, regPartSize, reg+nArg);

        }
        nArg++;
      }
    }else{
      assert( !(flags & SQLITE_FUNC_WINDOW_SIZE) );
      regArg = reg + pWin->iArgCol;
    }


    if( (pWin->pFunc->funcFlags & SQLITE_FUNC_MINMAX) 
      && pWin->eStart!=TK_UNBOUNDED 
    ){
      int addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, regArg);
      VdbeCoverage(v);
      if( bInverse==0 ){
        sqlite3VdbeAddOp2(v, OP_AddImm, pWin->regApp+1, 1);
        sqlite3VdbeAddOp2(v, OP_SCopy, regArg, pWin->regApp);
        sqlite3VdbeAddOp3(v, OP_MakeRecord, pWin->regApp, 2, pWin->regApp+2);
................................................................................
        sqlite3VdbeAddOp4Int(v, OP_SeekGE, pWin->csrApp, 0, regArg, 1);
        VdbeCoverageNeverTaken(v);
        sqlite3VdbeAddOp1(v, OP_Delete, pWin->csrApp);
        sqlite3VdbeJumpHere(v, sqlite3VdbeCurrentAddr(v)-2);
      }
      sqlite3VdbeJumpHere(v, addrIsNull);
    }else if( pWin->regApp ){
      assert( pWin->pFunc->zName==nth_valueName
           || pWin->pFunc->zName==first_valueName
      );
      assert( bInverse==0 || bInverse==1 );
      sqlite3VdbeAddOp2(v, OP_AddImm, pWin->regApp+1-bInverse, 1);
    }else if( pWin->pFunc->zName==leadName
           || pWin->pFunc->zName==lagName
    ){
      /* no-op */
    }else{
      int addrIf = 0;
      if( pWin->pFilter ){
        int regTmp;
        assert( nArg==0 || nArg==pWin->pOwner->x.pList->nExpr );
        assert( nArg || pWin->pOwner->x.pList==0 );
        if( csr>0 ){
          regTmp = sqlite3GetTempReg(pParse);
          sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol+nArg,regTmp);
        }else{
          regTmp = regArg + nArg;
        }
        addrIf = sqlite3VdbeAddOp3(v, OP_IfNot, regTmp, 0, 1);
        VdbeCoverage(v);
        if( csr>0 ){
          sqlite3ReleaseTempReg(pParse, regTmp);
        }
      }
      if( pWin->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){
        CollSeq *pColl;
        assert( nArg>0 );
        pColl = sqlite3ExprNNCollSeq(pParse, pWin->pOwner->x.pList->a[0].pExpr);
        sqlite3VdbeAddOp4(v, OP_CollSeq, 0,0,0, (const char*)pColl, P4_COLLSEQ);
      }
      sqlite3VdbeAddOp3(v, bInverse? OP_AggInverse : OP_AggStep, 
                        bInverse, regArg, pWin->regAccum);
      sqlite3VdbeAppendP4(v, pWin->pFunc, P4_FUNCDEF);
      sqlite3VdbeChangeP5(v, (u8)nArg);
      if( addrIf ) sqlite3VdbeJumpHere(v, addrIf);
    }
  }
}






















/*





























** Generate VM code to invoke either xValue() (bFinal==0) or xFinalize()
** (bFinal==1) for each window function in the linked list starting at
** pMWin. Or, for built-in window-functions that do not use the standard
** API, generate the equivalent VM code.
*/
static void windowAggFinal(Parse *pParse, Window *pMWin, int bFinal){


  Vdbe *v = sqlite3GetVdbe(pParse);
  Window *pWin;

  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){

    if( (pWin->pFunc->funcFlags & SQLITE_FUNC_MINMAX) 
     && pWin->eStart!=TK_UNBOUNDED 
    ){
      sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult);
      sqlite3VdbeAddOp1(v, OP_Last, pWin->csrApp);
      VdbeCoverage(v);
      sqlite3VdbeAddOp3(v, OP_Column, pWin->csrApp, 0, pWin->regResult);
      sqlite3VdbeJumpHere(v, sqlite3VdbeCurrentAddr(v)-2);
      if( bFinal ){
        sqlite3VdbeAddOp1(v, OP_ResetSorter, pWin->csrApp);
      }
    }else if( pWin->regApp ){

    }else{

      if( bFinal ){
        sqlite3VdbeAddOp2(v, OP_AggFinal, pWin->regAccum, windowArgCount(pWin));
        sqlite3VdbeAppendP4(v, pWin->pFunc, P4_FUNCDEF);
        sqlite3VdbeAddOp2(v, OP_Copy, pWin->regAccum, pWin->regResult);
        sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regAccum);
      }else{
        sqlite3VdbeAddOp3(v, OP_AggValue, pWin->regAccum, windowArgCount(pWin),
                             pWin->regResult);
        sqlite3VdbeAppendP4(v, pWin->pFunc, P4_FUNCDEF);
      }
    }
  }
}

/*
** This function generates VM code to invoke the sub-routine at address
** lblFlushPart once for each partition with the entire partition cached in
** the Window.iEphCsr temp table.
*/
static void windowPartitionCache(
  Parse *pParse,
  Select *p,                      /* The rewritten SELECT statement */
  WhereInfo *pWInfo,              /* WhereInfo to call WhereEnd() on */
  int regFlushPart,               /* Register to use with Gosub lblFlushPart */
  int lblFlushPart,               /* Subroutine to Gosub to */
  int *pRegSize                   /* OUT: Register containing partition size */
){
  Window *pMWin = p->pWin;
  Vdbe *v = sqlite3GetVdbe(pParse);
  int iSubCsr = p->pSrc->a[0].iCursor;
  int nSub = p->pSrc->a[0].pTab->nCol;
  int k;

  int reg = pParse->nMem+1;
  int regRecord = reg+nSub;
  int regRowid = regRecord+1;

  *pRegSize = regRowid;
  pParse->nMem += nSub + 2;

  /* Load the column values for the row returned by the sub-select
  ** into an array of registers starting at reg. */
  for(k=0; k<nSub; k++){
    sqlite3VdbeAddOp3(v, OP_Column, iSubCsr, k, reg+k);
  }
  sqlite3VdbeAddOp3(v, OP_MakeRecord, reg, nSub, regRecord);

  /* Check if this is the start of a new partition. If so, call the
  ** flush_partition sub-routine.  */
  if( pMWin->pPartition ){
    int addr;
    ExprList *pPart = pMWin->pPartition;
    int nPart = pPart->nExpr;
    int regNewPart = reg + pMWin->nBufferCol;
    KeyInfo *pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pPart, 0, 0);

    addr = sqlite3VdbeAddOp3(v, OP_Compare, regNewPart, pMWin->regPart,nPart);
    sqlite3VdbeAppendP4(v, (void*)pKeyInfo, P4_KEYINFO);
    sqlite3VdbeAddOp3(v, OP_Jump, addr+2, addr+4, addr+2);
    VdbeCoverageEqNe(v);
    sqlite3VdbeAddOp3(v, OP_Copy, regNewPart, pMWin->regPart, nPart-1);
    sqlite3VdbeAddOp2(v, OP_Gosub, regFlushPart, lblFlushPart);
    VdbeComment((v, "call flush_partition"));
  }

  /* Buffer the current row in the ephemeral table. */
  sqlite3VdbeAddOp2(v, OP_NewRowid, pMWin->iEphCsr, regRowid);
  sqlite3VdbeAddOp3(v, OP_Insert, pMWin->iEphCsr, regRecord, regRowid);

  /* End of the input loop */
  sqlite3WhereEnd(pWInfo);

  /* Invoke "flush_partition" to deal with the final (or only) partition */
  sqlite3VdbeAddOp2(v, OP_Gosub, regFlushPart, lblFlushPart);
  VdbeComment((v, "call flush_partition"));






























}

/*
** Invoke the sub-routine at regGosub (generated by code in select.c) to
** return the current row of Window.iEphCsr. If all window functions are
** aggregate window functions that use the standard API, a single
** OP_Gosub instruction is all that this routine generates. Extra VM code
................................................................................
** functions:
**
**   nth_value()
**   first_value()
**   lag()
**   lead()
*/
static void windowReturnOneRow(
  Parse *pParse,
  Window *pMWin,
  int regGosub,
  int addrGosub
){
  Vdbe *v = sqlite3GetVdbe(pParse);





  Window *pWin;

  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
    FuncDef *pFunc = pWin->pFunc;
    if( pFunc->zName==nth_valueName
     || pFunc->zName==first_valueName
    ){
      int csr = pWin->csrApp;
      int lbl = sqlite3VdbeMakeLabel(pParse);
      int tmpReg = sqlite3GetTempReg(pParse);
      sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult);

      if( pFunc->zName==nth_valueName ){
        sqlite3VdbeAddOp3(v, OP_Column, pMWin->iEphCsr, pWin->iArgCol+1,tmpReg);
        windowCheckIntValue(pParse, tmpReg, 2);
      }else{
        sqlite3VdbeAddOp2(v, OP_Integer, 1, tmpReg);
      }
      sqlite3VdbeAddOp3(v, OP_Add, tmpReg, pWin->regApp, tmpReg);
      sqlite3VdbeAddOp3(v, OP_Gt, pWin->regApp+1, lbl, tmpReg);
      VdbeCoverageNeverNull(v);
      sqlite3VdbeAddOp3(v, OP_SeekRowid, csr, 0, tmpReg);
      VdbeCoverageNeverTaken(v);
      sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol, pWin->regResult);
      sqlite3VdbeResolveLabel(v, lbl);
      sqlite3ReleaseTempReg(pParse, tmpReg);
    }
    else if( pFunc->zName==leadName || pFunc->zName==lagName ){
      int nArg = pWin->pOwner->x.pList->nExpr;
      int iEph = pMWin->iEphCsr;
      int csr = pWin->csrApp;
      int lbl = sqlite3VdbeMakeLabel(pParse);
      int tmpReg = sqlite3GetTempReg(pParse);


      if( nArg<3 ){
        sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult);
      }else{
        sqlite3VdbeAddOp3(v, OP_Column, iEph, pWin->iArgCol+2, pWin->regResult);
      }
      sqlite3VdbeAddOp2(v, OP_Rowid, iEph, tmpReg);
      if( nArg<2 ){
        int val = (pFunc->zName==leadName ? 1 : -1);
        sqlite3VdbeAddOp2(v, OP_AddImm, tmpReg, val);
      }else{
        int op = (pFunc->zName==leadName ? OP_Add : OP_Subtract);
        int tmpReg2 = sqlite3GetTempReg(pParse);
        sqlite3VdbeAddOp3(v, OP_Column, iEph, pWin->iArgCol+1, tmpReg2);
        sqlite3VdbeAddOp3(v, op, tmpReg2, tmpReg, tmpReg);
        sqlite3ReleaseTempReg(pParse, tmpReg2);
      }

      sqlite3VdbeAddOp3(v, OP_SeekRowid, csr, lbl, tmpReg);
      VdbeCoverage(v);
      sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol, pWin->regResult);
      sqlite3VdbeResolveLabel(v, lbl);
      sqlite3ReleaseTempReg(pParse, tmpReg);
    }
  }
  sqlite3VdbeAddOp2(v, OP_Gosub, regGosub, addrGosub);
}

/*
** Invoke the code generated by windowReturnOneRow() and, optionally, the
** xInverse() function for each window function, for one or more rows
** from the Window.iEphCsr temp table. This routine generates VM code
** similar to:
**
**   while( regCtr>0 ){
**     regCtr--;
**     windowReturnOneRow()
**     if( bInverse ){
**       AggInverse
**     }
**     Next (Window.iEphCsr)
**   }
*/
static void windowReturnRows(
  Parse *pParse,
  Window *pMWin,                  /* List of window functions */
  int regCtr,                     /* Register containing number of rows */
  int regGosub,                   /* Register for Gosub addrGosub */
  int addrGosub,                  /* Address of sub-routine for ReturnOneRow */
  int regInvArg,                  /* Array of registers for xInverse args */
  int regInvSize                  /* Register containing size of partition */
){
  int addr;
  Vdbe *v = sqlite3GetVdbe(pParse);
  windowAggFinal(pParse, pMWin, 0);
  addr = sqlite3VdbeAddOp3(v, OP_IfPos, regCtr, sqlite3VdbeCurrentAddr(v)+2 ,1);
  VdbeCoverage(v);
  sqlite3VdbeAddOp2(v, OP_Goto, 0, 0);
  windowReturnOneRow(pParse, pMWin, regGosub, addrGosub);
  if( regInvArg ){
    windowAggStep(pParse, pMWin, pMWin->iEphCsr, 1, regInvArg, regInvSize);
  }
  sqlite3VdbeAddOp2(v, OP_Next, pMWin->iEphCsr, addr);
  VdbeCoverage(v);
  sqlite3VdbeJumpHere(v, addr+1);   /* The OP_Goto */
}

/*
** Generate code to set the accumulator register for each window function
** in the linked list passed as the second argument to NULL. And perform
** any equivalent initialization required by any built-in window functions
** in the list.
................................................................................
  int regArg;
  int nArg = 0;
  Window *pWin;
  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
    FuncDef *pFunc = pWin->pFunc;
    sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regAccum);
    nArg = MAX(nArg, windowArgCount(pWin));
    if( pFunc->zName==nth_valueName
     || pFunc->zName==first_valueName
    ){
      sqlite3VdbeAddOp2(v, OP_Integer, 0, pWin->regApp);
      sqlite3VdbeAddOp2(v, OP_Integer, 0, pWin->regApp+1);
    }

    if( (pFunc->funcFlags & SQLITE_FUNC_MINMAX) && pWin->csrApp ){
      assert( pWin->eStart!=TK_UNBOUNDED );
      sqlite3VdbeAddOp1(v, OP_ResetSorter, pWin->csrApp);
      sqlite3VdbeAddOp2(v, OP_Integer, 0, pWin->regApp+1);
    }
  }
  regArg = pParse->nMem+1;
  pParse->nMem += nArg;
  return regArg;
}


/*
** This function does the work of sqlite3WindowCodeStep() for all "ROWS"
** window frame types except for "BETWEEN UNBOUNDED PRECEDING AND CURRENT
** ROW". Pseudo-code for each follows.
**
** ROWS BETWEEN <expr1> PRECEDING AND <expr2> FOLLOWING
**
**     ...
**       if( new partition ){
**         Gosub flush_partition
**       }
**       Insert (record in eph-table)
**     sqlite3WhereEnd()
**     Gosub flush_partition
**  
**   flush_partition:
**     Once {
**       OpenDup (iEphCsr -> csrStart)
**       OpenDup (iEphCsr -> csrEnd)
**     }
**     regStart = <expr1>                // PRECEDING expression
**     regEnd = <expr2>                  // FOLLOWING expression
**     if( regStart<0 || regEnd<0 ){ error! }
**     Rewind (csr,csrStart,csrEnd)      // if EOF goto flush_partition_done
**       Next(csrEnd)                    // if EOF skip Aggstep
**       Aggstep (csrEnd)
**       if( (regEnd--)<=0 ){
**         AggFinal (xValue)
**         Gosub addrGosub
**         Next(csr)                // if EOF goto flush_partition_done
**         if( (regStart--)<=0 ){
**           AggInverse (csrStart)
**           Next(csrStart)
**         }
**       }
**   flush_partition_done:
**     ResetSorter (csr)
**     Return
**
** ROWS BETWEEN <expr> PRECEDING    AND CURRENT ROW
** ROWS BETWEEN CURRENT ROW         AND <expr> FOLLOWING
** ROWS BETWEEN UNBOUNDED PRECEDING AND <expr> FOLLOWING
**
**   These are similar to the above. For "CURRENT ROW", intialize the
**   register to 0. For "UNBOUNDED PRECEDING" to infinity.
**
** ROWS BETWEEN <expr> PRECEDING    AND UNBOUNDED FOLLOWING
** ROWS BETWEEN CURRENT ROW         AND UNBOUNDED FOLLOWING
**
**     Rewind (csr,csrStart,csrEnd)    // if EOF goto flush_partition_done
**     while( 1 ){
**       Next(csrEnd)                  // Exit while(1) at EOF
**       Aggstep (csrEnd)
**     }
**     while( 1 ){
**       AggFinal (xValue)
**       Gosub addrGosub
**       Next(csr)                     // if EOF goto flush_partition_done
**       if( (regStart--)<=0 ){
**         AggInverse (csrStart)
**         Next(csrStart)
**       }
**     }
**
**   For the "CURRENT ROW AND UNBOUNDED FOLLOWING" case, the final if() 
**   condition is always true (as if regStart were initialized to 0).
**
** RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING
** 
**   This is the only RANGE case handled by this routine. It modifies the
**   second while( 1 ) loop in "ROWS BETWEEN CURRENT ... UNBOUNDED..." to
**   be:
**
**     while( 1 ){
**       AggFinal (xValue)
**       while( 1 ){
**         regPeer++
**         Gosub addrGosub
**         Next(csr)                     // if EOF goto flush_partition_done
**         if( new peer ) break;
**       }
**       while( (regPeer--)>0 ){
**         AggInverse (csrStart)
**         Next(csrStart)
**       }
**     }
**
** ROWS BETWEEN <expr> FOLLOWING    AND <expr> FOLLOWING
**
**   regEnd = regEnd - regStart
**   Rewind (csr,csrStart,csrEnd)   // if EOF goto flush_partition_done
**     Aggstep (csrEnd)
**     Next(csrEnd)                 // if EOF fall-through
**     if( (regEnd--)<=0 ){
**       if( (regStart--)<=0 ){
**         AggFinal (xValue)
**         Gosub addrGosub
**         Next(csr)              // if EOF goto flush_partition_done
**       }
**       AggInverse (csrStart)
**       Next (csrStart)
**     }
**
** ROWS BETWEEN <expr> PRECEDING    AND <expr> PRECEDING
**
**   Replace the bit after "Rewind" in the above with:
**
**     if( (regEnd--)<=0 ){
**       AggStep (csrEnd)
**       Next (csrEnd)
**     }
**     AggFinal (xValue)
**     Gosub addrGosub
**     Next(csr)                  // if EOF goto flush_partition_done
**     if( (regStart--)<=0 ){
**       AggInverse (csr2)
**       Next (csr2)
**     }
**
*/
static void windowCodeRowExprStep(
  Parse *pParse, 
  Select *p,
  WhereInfo *pWInfo,
  int regGosub, 
  int addrGosub
){
  Window *pMWin = p->pWin;
  Vdbe *v = sqlite3GetVdbe(pParse);
  int regFlushPart;               /* Register for "Gosub flush_partition" */
  int lblFlushPart;               /* Label for "Gosub flush_partition" */
  int lblFlushDone;               /* Label for "Gosub flush_partition_done" */

  int regArg;
  int addr;
  int csrStart = pParse->nTab++;
  int csrEnd = pParse->nTab++;
  int regStart;                    /* Value of <expr> PRECEDING */
  int regEnd;                      /* Value of <expr> FOLLOWING */
  int addrGoto;
  int addrTop;
  int addrIfPos1 = 0;
  int addrIfPos2 = 0;
  int regSize = 0;

  assert( pMWin->eStart==TK_PRECEDING 
       || pMWin->eStart==TK_CURRENT 
       || pMWin->eStart==TK_FOLLOWING 
       || pMWin->eStart==TK_UNBOUNDED 
  );
  assert( pMWin->eEnd==TK_FOLLOWING 
       || pMWin->eEnd==TK_CURRENT 
       || pMWin->eEnd==TK_UNBOUNDED 
       || pMWin->eEnd==TK_PRECEDING 
  );

  /* Allocate register and label for the "flush_partition" sub-routine. */
  regFlushPart = ++pParse->nMem;
  lblFlushPart = sqlite3VdbeMakeLabel(pParse);
  lblFlushDone = sqlite3VdbeMakeLabel(pParse);

  regStart = ++pParse->nMem;
  regEnd = ++pParse->nMem;

  windowPartitionCache(pParse, p, pWInfo, regFlushPart, lblFlushPart, &regSize);

  addrGoto = sqlite3VdbeAddOp0(v, OP_Goto);

  /* Start of "flush_partition" */
  sqlite3VdbeResolveLabel(v, lblFlushPart);
  sqlite3VdbeAddOp2(v, OP_Once, 0, sqlite3VdbeCurrentAddr(v)+3);
  VdbeCoverage(v);
  VdbeComment((v, "Flush_partition subroutine"));
  sqlite3VdbeAddOp2(v, OP_OpenDup, csrStart, pMWin->iEphCsr);
  sqlite3VdbeAddOp2(v, OP_OpenDup, csrEnd, pMWin->iEphCsr);

  /* If either regStart or regEnd are not non-negative integers, throw 
  ** an exception.  */
  if( pMWin->pStart ){
    sqlite3ExprCode(pParse, pMWin->pStart, regStart);
    windowCheckIntValue(pParse, regStart, 0);
  }
  if( pMWin->pEnd ){
    sqlite3ExprCode(pParse, pMWin->pEnd, regEnd);
    windowCheckIntValue(pParse, regEnd, 1);
  }

  /* If this is "ROWS <expr1> FOLLOWING AND ROWS <expr2> FOLLOWING", do:
  **
  **   if( regEnd<regStart ){
  **     // The frame always consists of 0 rows
  **     regStart = regSize;
  **   }
  **   regEnd = regEnd - regStart;
  */
  if( pMWin->pEnd && pMWin->eStart==TK_FOLLOWING ){
    assert( pMWin->pStart!=0 );
    assert( pMWin->eEnd==TK_FOLLOWING );
    sqlite3VdbeAddOp3(v, OP_Ge, regStart, sqlite3VdbeCurrentAddr(v)+2, regEnd);
    VdbeCoverageNeverNull(v);
    sqlite3VdbeAddOp2(v, OP_Copy, regSize, regStart);
    sqlite3VdbeAddOp3(v, OP_Subtract, regStart, regEnd, regEnd);
  }

  if( pMWin->pStart && pMWin->eEnd==TK_PRECEDING ){
    assert( pMWin->pEnd!=0 );
    assert( pMWin->eStart==TK_PRECEDING );
    sqlite3VdbeAddOp3(v, OP_Le, regStart, sqlite3VdbeCurrentAddr(v)+3, regEnd);
    VdbeCoverageNeverNull(v);
    sqlite3VdbeAddOp2(v, OP_Copy, regSize, regStart);
    sqlite3VdbeAddOp2(v, OP_Copy, regSize, regEnd);
  }

  /* Initialize the accumulator register for each window function to NULL */
  regArg = windowInitAccum(pParse, pMWin);

  sqlite3VdbeAddOp2(v, OP_Rewind, pMWin->iEphCsr, lblFlushDone);
  VdbeCoverage(v);
  sqlite3VdbeAddOp2(v, OP_Rewind, csrStart, lblFlushDone);
  VdbeCoverageNeverTaken(v);
  sqlite3VdbeChangeP5(v, 1);
  sqlite3VdbeAddOp2(v, OP_Rewind, csrEnd, lblFlushDone);
  VdbeCoverageNeverTaken(v);
  sqlite3VdbeChangeP5(v, 1);

  /* Invoke AggStep function for each window function using the row that
  ** csrEnd currently points to. Or, if csrEnd is already at EOF,
  ** do nothing.  */
  addrTop = sqlite3VdbeCurrentAddr(v);
  if( pMWin->eEnd==TK_PRECEDING ){
    addrIfPos1 = sqlite3VdbeAddOp3(v, OP_IfPos, regEnd, 0 , 1);
    VdbeCoverage(v);
  }
  sqlite3VdbeAddOp2(v, OP_Next, csrEnd, sqlite3VdbeCurrentAddr(v)+2);
  VdbeCoverage(v);
  addr = sqlite3VdbeAddOp0(v, OP_Goto);
  windowAggStep(pParse, pMWin, csrEnd, 0, regArg, regSize);
  if( pMWin->eEnd==TK_UNBOUNDED ){
    sqlite3VdbeAddOp2(v, OP_Goto, 0, addrTop);
    sqlite3VdbeJumpHere(v, addr);
    addrTop = sqlite3VdbeCurrentAddr(v);
  }else{
    sqlite3VdbeJumpHere(v, addr);
    if( pMWin->eEnd==TK_PRECEDING ){
      sqlite3VdbeJumpHere(v, addrIfPos1);
    }
  }

  if( pMWin->eEnd==TK_FOLLOWING ){
    addrIfPos1 = sqlite3VdbeAddOp3(v, OP_IfPos, regEnd, 0 , 1);
    VdbeCoverage(v);
  }
  if( pMWin->eStart==TK_FOLLOWING ){
    addrIfPos2 = sqlite3VdbeAddOp3(v, OP_IfPos, regStart, 0 , 1);
    VdbeCoverage(v);
  }
  windowAggFinal(pParse, pMWin, 0);
  windowReturnOneRow(pParse, pMWin, regGosub, addrGosub);
  sqlite3VdbeAddOp2(v, OP_Next, pMWin->iEphCsr, sqlite3VdbeCurrentAddr(v)+2);
  VdbeCoverage(v);
  sqlite3VdbeAddOp2(v, OP_Goto, 0, lblFlushDone);
  if( pMWin->eStart==TK_FOLLOWING ){
    sqlite3VdbeJumpHere(v, addrIfPos2);
  }

  if( pMWin->eStart==TK_CURRENT 
   || pMWin->eStart==TK_PRECEDING 
   || pMWin->eStart==TK_FOLLOWING 
  ){
    int lblSkipInverse = sqlite3VdbeMakeLabel(pParse);;
    if( pMWin->eStart==TK_PRECEDING ){
      sqlite3VdbeAddOp3(v, OP_IfPos, regStart, lblSkipInverse, 1);
      VdbeCoverage(v);
    }
    if( pMWin->eStart==TK_FOLLOWING ){
      sqlite3VdbeAddOp2(v, OP_Next, csrStart, sqlite3VdbeCurrentAddr(v)+2);
      VdbeCoverage(v);
      sqlite3VdbeAddOp2(v, OP_Goto, 0, lblSkipInverse);
    }else{
      sqlite3VdbeAddOp2(v, OP_Next, csrStart, sqlite3VdbeCurrentAddr(v)+1);
      VdbeCoverageAlwaysTaken(v);
    }
    windowAggStep(pParse, pMWin, csrStart, 1, regArg, regSize);
    sqlite3VdbeResolveLabel(v, lblSkipInverse);
  }
  if( pMWin->eEnd==TK_FOLLOWING ){
    sqlite3VdbeJumpHere(v, addrIfPos1);
  }
  sqlite3VdbeAddOp2(v, OP_Goto, 0, addrTop);

  /* flush_partition_done: */
  sqlite3VdbeResolveLabel(v, lblFlushDone);
  sqlite3VdbeAddOp1(v, OP_ResetSorter, pMWin->iEphCsr);
  sqlite3VdbeAddOp1(v, OP_Return, regFlushPart);
  VdbeComment((v, "end flush_partition subroutine"));

  /* Jump to here to skip over flush_partition */
  sqlite3VdbeJumpHere(v, addrGoto);
}

/*
** This function does the work of sqlite3WindowCodeStep() for cases that
** would normally be handled by windowCodeDefaultStep() when there are
** one or more built-in window-functions that require the entire partition
** to be cached in a temp table before any rows can be returned. Additionally.
** "RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING" is always handled by
** this function.
**
** Pseudo-code corresponding to the VM code generated by this function
** for each type of window follows.
**
** RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
**
**   flush_partition:
**     Once {
**       OpenDup (iEphCsr -> csrLead)
**     }
**     Integer ctr 0
**     foreach row (csrLead){
**       if( new peer ){
**         AggFinal (xValue)
**         for(i=0; i<ctr; i++){
**           Gosub addrGosub
**           Next iEphCsr
**         }
**         Integer ctr 0
**       }
**       AggStep (csrLead)
**       Incr ctr
**     }
**
**     AggFinal (xFinalize)
**     for(i=0; i<ctr; i++){
**       Gosub addrGosub
**       Next iEphCsr
**     }
**
**     ResetSorter (csr)
**     Return
**
** ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
**
**   As above, except that the "if( new peer )" branch is always taken.
**
** RANGE BETWEEN CURRENT ROW AND CURRENT ROW 
**
**   As above, except that each of the for() loops becomes:
**
**         for(i=0; i<ctr; i++){
**           Gosub addrGosub
**           AggInverse (iEphCsr)
**           Next iEphCsr
**         }
**
** RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
**
**   flush_partition:
**     Once {
**       OpenDup (iEphCsr -> csrLead)
**     }
**     foreach row (csrLead) {
**       AggStep (csrLead)
**     }
**     foreach row (iEphCsr) {
**       Gosub addrGosub
**     }
** 
** RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING
**
**   flush_partition:
**     Once {
**       OpenDup (iEphCsr -> csrLead)
**     }
**     foreach row (csrLead){
**       AggStep (csrLead)
**     }
**     Rewind (csrLead)
**     Integer ctr 0
**     foreach row (csrLead){
**       if( new peer ){
**         AggFinal (xValue)
**         for(i=0; i<ctr; i++){
**           Gosub addrGosub
**           AggInverse (iEphCsr)
**           Next iEphCsr
**         }
**         Integer ctr 0
**       }
**       Incr ctr
**     }
**
**     AggFinal (xFinalize)
**     for(i=0; i<ctr; i++){
**       Gosub addrGosub
**       Next iEphCsr
**     }
**
**     ResetSorter (csr)
**     Return
*/
static void windowCodeCacheStep(
  Parse *pParse, 
  Select *p,
  WhereInfo *pWInfo,
  int regGosub, 
  int addrGosub
){
  Window *pMWin = p->pWin;
  Vdbe *v = sqlite3GetVdbe(pParse);
  int k;
  int addr;
  ExprList *pPart = pMWin->pPartition;
  ExprList *pOrderBy = pMWin->pOrderBy;
  int nPeer = pOrderBy ? pOrderBy->nExpr : 0;
  int regNewPeer;

  int addrGoto;                   /* Address of Goto used to jump flush_par.. */
  int addrNext;                   /* Jump here for next iteration of loop */
  int regFlushPart;
  int lblFlushPart;
  int csrLead;
  int regCtr;
  int regArg;                     /* Register array to martial function args */
  int regSize;
  int lblEmpty;
  int bReverse = pMWin->pOrderBy && pMWin->eStart==TK_CURRENT 
          && pMWin->eEnd==TK_UNBOUNDED;

  assert( (pMWin->eStart==TK_UNBOUNDED && pMWin->eEnd==TK_CURRENT) 
       || (pMWin->eStart==TK_UNBOUNDED && pMWin->eEnd==TK_UNBOUNDED) 
       || (pMWin->eStart==TK_CURRENT && pMWin->eEnd==TK_CURRENT) 
       || (pMWin->eStart==TK_CURRENT && pMWin->eEnd==TK_UNBOUNDED) 
  );

  lblEmpty = sqlite3VdbeMakeLabel(pParse);
  regNewPeer = pParse->nMem+1;
  pParse->nMem += nPeer;

  /* Allocate register and label for the "flush_partition" sub-routine. */
  regFlushPart = ++pParse->nMem;
  lblFlushPart = sqlite3VdbeMakeLabel(pParse);

  csrLead = pParse->nTab++;
  regCtr = ++pParse->nMem;

  windowPartitionCache(pParse, p, pWInfo, regFlushPart, lblFlushPart, &regSize);
  addrGoto = sqlite3VdbeAddOp0(v, OP_Goto);

  /* Start of "flush_partition" */
  sqlite3VdbeResolveLabel(v, lblFlushPart);
  sqlite3VdbeAddOp2(v, OP_Once, 0, sqlite3VdbeCurrentAddr(v)+2);
  VdbeCoverage(v);
  sqlite3VdbeAddOp2(v, OP_OpenDup, csrLead, pMWin->iEphCsr);

  /* Initialize the accumulator register for each window function to NULL */
  regArg = windowInitAccum(pParse, pMWin);

  sqlite3VdbeAddOp2(v, OP_Integer, 0, regCtr);
  sqlite3VdbeAddOp2(v, OP_Rewind, csrLead, lblEmpty);
  VdbeCoverage(v);
  sqlite3VdbeAddOp2(v, OP_Rewind, pMWin->iEphCsr, lblEmpty);
  VdbeCoverageNeverTaken(v);

  if( bReverse ){
    int addr2 = sqlite3VdbeCurrentAddr(v);
    windowAggStep(pParse, pMWin, csrLead, 0, regArg, regSize);
    sqlite3VdbeAddOp2(v, OP_Next, csrLead, addr2);
    VdbeCoverage(v);
    sqlite3VdbeAddOp2(v, OP_Rewind, csrLead, lblEmpty);
    VdbeCoverageNeverTaken(v);
  }
  addrNext = sqlite3VdbeCurrentAddr(v);

  if( pOrderBy && (pMWin->eEnd==TK_CURRENT || pMWin->eStart==TK_CURRENT) ){
    int bCurrent = (pMWin->eStart==TK_CURRENT);
    int addrJump = 0;             /* Address of OP_Jump below */
    if( pMWin->eType==TK_RANGE ){
      int iOff = pMWin->nBufferCol + (pPart ? pPart->nExpr : 0);
      int regPeer = pMWin->regPart + (pPart ? pPart->nExpr : 0);
      KeyInfo *pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pOrderBy, 0, 0);
      for(k=0; k<nPeer; k++){
        sqlite3VdbeAddOp3(v, OP_Column, csrLead, iOff+k, regNewPeer+k);
      }
      addr = sqlite3VdbeAddOp3(v, OP_Compare, regNewPeer, regPeer, nPeer);
      sqlite3VdbeAppendP4(v, (void*)pKeyInfo, P4_KEYINFO);
      addrJump = sqlite3VdbeAddOp3(v, OP_Jump, addr+2, 0, addr+2);
      VdbeCoverage(v);
      sqlite3VdbeAddOp3(v, OP_Copy, regNewPeer, regPeer, nPeer-1);
    }

    windowReturnRows(pParse, pMWin, regCtr, regGosub, addrGosub, 
        (bCurrent ? regArg : 0), (bCurrent ? regSize : 0)
    );
    if( addrJump ) sqlite3VdbeJumpHere(v, addrJump);
  }

  if( bReverse==0 ){
    windowAggStep(pParse, pMWin, csrLead, 0, regArg, regSize);
  }
  sqlite3VdbeAddOp2(v, OP_AddImm, regCtr, 1);
  sqlite3VdbeAddOp2(v, OP_Next, csrLead, addrNext);
  VdbeCoverage(v);

  windowReturnRows(pParse, pMWin, regCtr, regGosub, addrGosub, 0, 0);

  sqlite3VdbeResolveLabel(v, lblEmpty);
  sqlite3VdbeAddOp1(v, OP_ResetSorter, pMWin->iEphCsr);
  sqlite3VdbeAddOp1(v, OP_Return, regFlushPart);

  /* Jump to here to skip over flush_partition */
  sqlite3VdbeJumpHere(v, addrGoto);
}


/*
** RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
**
**   ...
**     if( new partition ){
**       AggFinal (xFinalize)
**       Gosub addrGosub
**       ResetSorter eph-table
**     }
**     else if( new peer ){
**       AggFinal (xValue)
**       Gosub addrGosub
**       ResetSorter eph-table
**     }
**     AggStep
**     Insert (record into eph-table)
**   sqlite3WhereEnd()
**   AggFinal (xFinalize)
**   Gosub addrGosub
**
** RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
**
**   As above, except take no action for a "new peer". Invoke
**   the sub-routine once only for each partition.
**
** RANGE BETWEEN CURRENT ROW AND CURRENT ROW
**
**   As above, except that the "new peer" condition is handled in the
**   same way as "new partition" (so there is no "else if" block).
**
** ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
** 
**   As above, except assume every row is a "new peer".
*/
static void windowCodeDefaultStep(
  Parse *pParse, 
  Select *p,
  WhereInfo *pWInfo,
  int regGosub, 
  int addrGosub
){
  Window *pMWin = p->pWin;
  Vdbe *v = sqlite3GetVdbe(pParse);
  int k;
  int iSubCsr = p->pSrc->a[0].iCursor;
  int nSub = p->pSrc->a[0].pTab->nCol;
  int reg = pParse->nMem+1;
  int regRecord = reg+nSub;
  int regRowid = regRecord+1;
  int addr;
  ExprList *pPart = pMWin->pPartition;
  ExprList *pOrderBy = pMWin->pOrderBy;

  assert( pMWin->eType==TK_RANGE 
      || (pMWin->eStart==TK_UNBOUNDED && pMWin->eEnd==TK_CURRENT)
  );

  assert( (pMWin->eStart==TK_UNBOUNDED && pMWin->eEnd==TK_CURRENT)
       || (pMWin->eStart==TK_UNBOUNDED && pMWin->eEnd==TK_UNBOUNDED)
       || (pMWin->eStart==TK_CURRENT && pMWin->eEnd==TK_CURRENT)
       || (pMWin->eStart==TK_CURRENT && pMWin->eEnd==TK_UNBOUNDED && !pOrderBy)
  );

  if( pMWin->eEnd==TK_UNBOUNDED ){
    pOrderBy = 0;
  }

  pParse->nMem += nSub + 2;

  /* Load the individual column values of the row returned by
  ** the sub-select into an array of registers. */
  for(k=0; k<nSub; k++){
    sqlite3VdbeAddOp3(v, OP_Column, iSubCsr, k, reg+k);
  }

  /* Check if this is the start of a new partition or peer group. */
  if( pPart || pOrderBy ){
    int nPart = (pPart ? pPart->nExpr : 0);
    int addrGoto = 0;
    int addrJump = 0;
    int nPeer = (pOrderBy ? pOrderBy->nExpr : 0);

    if( pPart ){
      int regNewPart = reg + pMWin->nBufferCol;
      KeyInfo *pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pPart, 0, 0);
      addr = sqlite3VdbeAddOp3(v, OP_Compare, regNewPart, pMWin->regPart,nPart);
      sqlite3VdbeAppendP4(v, (void*)pKeyInfo, P4_KEYINFO);
      addrJump = sqlite3VdbeAddOp3(v, OP_Jump, addr+2, 0, addr+2);
      VdbeCoverageEqNe(v);
      windowAggFinal(pParse, pMWin, 1);
      if( pOrderBy ){
        addrGoto = sqlite3VdbeAddOp0(v, OP_Goto);
      }
    }

    if( pOrderBy ){
      int regNewPeer = reg + pMWin->nBufferCol + nPart;
      int regPeer = pMWin->regPart + nPart;

      if( addrJump ) sqlite3VdbeJumpHere(v, addrJump);
      if( pMWin->eType==TK_RANGE ){
        KeyInfo *pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pOrderBy, 0, 0);
        addr = sqlite3VdbeAddOp3(v, OP_Compare, regNewPeer, regPeer, nPeer);
        sqlite3VdbeAppendP4(v, (void*)pKeyInfo, P4_KEYINFO);
        addrJump = sqlite3VdbeAddOp3(v, OP_Jump, addr+2, 0, addr+2);
        VdbeCoverage(v);
      }else{
        addrJump = 0;
      }
      windowAggFinal(pParse, pMWin, pMWin->eStart==TK_CURRENT);
      if( addrGoto ) sqlite3VdbeJumpHere(v, addrGoto);
    }

    sqlite3VdbeAddOp2(v, OP_Rewind, pMWin->iEphCsr,sqlite3VdbeCurrentAddr(v)+3);
    VdbeCoverage(v);
    sqlite3VdbeAddOp2(v, OP_Gosub, regGosub, addrGosub);
    sqlite3VdbeAddOp2(v, OP_Next, pMWin->iEphCsr, sqlite3VdbeCurrentAddr(v)-1);
    VdbeCoverage(v);

    sqlite3VdbeAddOp1(v, OP_ResetSorter, pMWin->iEphCsr);
    sqlite3VdbeAddOp3(
        v, OP_Copy, reg+pMWin->nBufferCol, pMWin->regPart, nPart+nPeer-1
    );

    if( addrJump ) sqlite3VdbeJumpHere(v, addrJump);
  }

  /* Invoke step function for window functions */
  windowAggStep(pParse, pMWin, -1, 0, reg, 0);

  /* Buffer the current row in the ephemeral table. */
  if( pMWin->nBufferCol>0 ){
    sqlite3VdbeAddOp3(v, OP_MakeRecord, reg, pMWin->nBufferCol, regRecord);
  }else{
    sqlite3VdbeAddOp2(v, OP_Blob, 0, regRecord);
    sqlite3VdbeAppendP4(v, (void*)"", 0);
  }
  sqlite3VdbeAddOp2(v, OP_NewRowid, pMWin->iEphCsr, regRowid);
  sqlite3VdbeAddOp3(v, OP_Insert, pMWin->iEphCsr, regRecord, regRowid);

  /* End the database scan loop. */
  sqlite3WhereEnd(pWInfo);

  windowAggFinal(pParse, pMWin, 1);
  sqlite3VdbeAddOp2(v, OP_Rewind, pMWin->iEphCsr,sqlite3VdbeCurrentAddr(v)+3);
  VdbeCoverage(v);
  sqlite3VdbeAddOp2(v, OP_Gosub, regGosub, addrGosub);
  sqlite3VdbeAddOp2(v, OP_Next, pMWin->iEphCsr, sqlite3VdbeCurrentAddr(v)-1);
  VdbeCoverage(v);
}

/*
** Allocate and return a duplicate of the Window object indicated by the
** third argument. Set the Window.pOwner field of the new object to
** pOwner.
*/
SQLITE_PRIVATE Window *sqlite3WindowDup(sqlite3 *db, Expr *pOwner, Window *p){
................................................................................
    pNew = sqlite3DbMallocZero(db, sizeof(Window));
    if( pNew ){
      pNew->zName = sqlite3DbStrDup(db, p->zName);
      pNew->pFilter = sqlite3ExprDup(db, p->pFilter, 0);
      pNew->pFunc = p->pFunc;
      pNew->pPartition = sqlite3ExprListDup(db, p->pPartition, 0);
      pNew->pOrderBy = sqlite3ExprListDup(db, p->pOrderBy, 0);
      pNew->eType = p->eType;
      pNew->eEnd = p->eEnd;
      pNew->eStart = p->eStart;

      pNew->pStart = sqlite3ExprDup(db, p->pStart, 0);
      pNew->pEnd = sqlite3ExprDup(db, p->pEnd, 0);
      pNew->pOwner = pOwner;
    }
  }
  return pNew;
}
................................................................................
    *pp = sqlite3WindowDup(db, 0, pWin);
    if( *pp==0 ) break;
    pp = &((*pp)->pNextWin);
  }

  return pRet;
}

/*




















** sqlite3WhereBegin() has already been called for the SELECT statement 
** passed as the second argument when this function is invoked. It generates
** code to populate the Window.regResult register for each window function and
** invoke the sub-routine at instruction addrGosub once for each row.
** This function calls sqlite3WhereEnd() before returning. 

*/
SQLITE_PRIVATE void sqlite3WindowCodeStep(
  Parse *pParse,                  /* Parse context */
  Select *p,                      /* Rewritten SELECT statement */








  WhereInfo *pWInfo,              /* Context returned by sqlite3WhereBegin() */
  int regGosub,                   /* Register for OP_Gosub */
  int addrGosub                   /* OP_Gosub here to return each row */
){
  Window *pMWin = p->pWin;

  /* There are three different functions that may be used to do the work
  ** of this one, depending on the window frame and the specific built-in
  ** window functions used (if any).




  **
  ** windowCodeRowExprStep() handles all "ROWS" window frames, except for:





  **
  **   ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW

























  **
  ** The exception is because windowCodeRowExprStep() implements all window
  ** frame types by caching the entire partition in a temp table, and
  ** "ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW" is easy enough to
  ** implement without such a cache.

  **
  ** windowCodeCacheStep() is used for:



  **
  **   RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING



  **
  ** It is also used for anything not handled by windowCodeRowExprStep() 
  ** that invokes a built-in window function that requires the entire 
  ** partition to be cached in a temp table before any rows are returned
  ** (e.g. nth_value() or percent_rank()).



  **
  ** Finally, assuming there is no built-in window function that requires
  ** the partition to be cached, windowCodeDefaultStep() is used for:







  **
  **   RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW 








































































  **   RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING




















































































  **   RANGE BETWEEN CURRENT ROW AND CURRENT ROW 
  **   ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW
  **
  ** windowCodeDefaultStep() is the only one of the three functions that
  ** does not cache each partition in a temp table before beginning to
  ** return rows.




































































































  */
  if( pMWin->eType==TK_ROWS 
   && (pMWin->eStart!=TK_UNBOUNDED||pMWin->eEnd!=TK_CURRENT||!pMWin->pOrderBy)






  ){
    VdbeModuleComment((pParse->pVdbe, "Begin RowExprStep()"));
    windowCodeRowExprStep(pParse, p, pWInfo, regGosub, addrGosub);
  }else{
    Window *pWin;










    int bCache = 0;               /* True to use CacheStep() */














    if( pMWin->eStart==TK_CURRENT && pMWin->eEnd==TK_UNBOUNDED ){












      bCache = 1;
    }else{
      for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
        FuncDef *pFunc = pWin->pFunc;
        if( (pFunc->funcFlags & SQLITE_FUNC_WINDOW_SIZE)
         || (pFunc->zName==nth_valueName)
         || (pFunc->zName==first_valueName)
         || (pFunc->zName==leadName)
         || (pFunc->zName==lagName)

















        ){
          bCache = 1;


          break;







        }


      }
    }





    /* Otherwise, call windowCodeDefaultStep().  */
    if( bCache ){
      VdbeModuleComment((pParse->pVdbe, "Begin CacheStep()"));
      windowCodeCacheStep(pParse, p, pWInfo, regGosub, addrGosub);




































































































































    }else{
      VdbeModuleComment((pParse->pVdbe, "Begin DefaultStep()"));
      windowCodeDefaultStep(pParse, p, pWInfo, regGosub, addrGosub);


    }






































































































  }
}

#endif /* SQLITE_OMIT_WINDOWFUNC */

/************** End of window.c **********************************************/
/************** Begin file parse.c *******************************************/
................................................................................
    ){
      sqlite3ErrorMsg(pParse, "syntax error after column name \"%.*s\"",
                         pIdToken->n, pIdToken->z);
    }
    sqlite3ExprListSetName(pParse, p, pIdToken, 1);
    return p;
  }




/**************** End of %include directives **********************************/
/* These constants specify the various numeric values for terminal symbols
** in a format understandable to "makeheaders".  This section is blank unless
** "lemon" is run with the "-m" command-line option.
***************** Begin makeheaders token definitions *************************/
/**************** End makeheaders token definitions ***************************/

................................................................................
**    YY_MAX_REDUCE      Maximum value for reduce actions
*/
#ifndef INTERFACE
# define INTERFACE 1
#endif
/************* Begin control #defines *****************************************/
#define YYCODETYPE unsigned short int
#define YYNOCODE 278
#define YYACTIONTYPE unsigned short int
#define YYWILDCARD 91
#define sqlite3ParserTOKENTYPE Token
typedef union {
  int yyinit;
  sqlite3ParserTOKENTYPE yy0;
  ExprList* yy42;
  int yy96;
  TriggerStep* yy119;
  Window* yy147;
  SrcList* yy167;
  Upsert* yy266;
  struct FrameBound yy317;
  IdList* yy336;
  struct TrigEvent yy350;
  struct {int value; int mask;} yy367;
  Select* yy423;
  const char* yy464;
  Expr* yy490;
  With* yy499;

} YYMINORTYPE;
#ifndef YYSTACKDEPTH
#define YYSTACKDEPTH 100
#endif
#define sqlite3ParserARG_SDECL
#define sqlite3ParserARG_PDECL
#define sqlite3ParserARG_PARAM
................................................................................
#define sqlite3ParserARG_STORE
#define sqlite3ParserCTX_SDECL Parse *pParse;
#define sqlite3ParserCTX_PDECL ,Parse *pParse
#define sqlite3ParserCTX_PARAM ,pParse
#define sqlite3ParserCTX_FETCH Parse *pParse=yypParser->pParse;
#define sqlite3ParserCTX_STORE yypParser->pParse=pParse;
#define YYFALLBACK 1
#define YYNSTATE             524
#define YYNRULE              369
#define YYNTOKEN             155
#define YY_MAX_SHIFT         523
#define YY_MIN_SHIFTREDUCE   760
#define YY_MAX_SHIFTREDUCE   1128
#define YY_ERROR_ACTION      1129
#define YY_ACCEPT_ACTION     1130
#define YY_NO_ACTION         1131
#define YY_MIN_REDUCE        1132
#define YY_MAX_REDUCE        1500
/************* End control #defines *******************************************/
#define YY_NLOOKAHEAD ((int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0])))

/* Define the yytestcase() macro to be a no-op if is not already defined
** otherwise.
**
** Applications can choose to define yytestcase() in the %include section
................................................................................
**  yy_shift_ofst[]    For each state, the offset into yy_action for
**                     shifting terminals.
**  yy_reduce_ofst[]   For each state, the offset into yy_action for
**                     shifting non-terminals after a reduce.
**  yy_default[]       Default action for each state.
**
*********** Begin parsing tables **********************************************/
#define YY_ACTTAB_COUNT (2009)
static const YYACTIONTYPE yy_action[] = {
 /*     0 */   377,  518,  371,  107,  104,  200, 1293,  518, 1130,    1,
 /*    10 */     1,  523,    2, 1134,  518, 1203, 1203, 1262,  277,  373,
 /*    20 */   129,  495,   37,   37, 1397, 1201, 1201, 1211,   65,   65,
 /*    30 */   480,  891,  107,  104,  200,   37,   37, 1043, 1494,  892,
 /*    40 */   346, 1494,  342,  114,  115,  105, 1106, 1106,  957,  960,
 /*    50 */   950,  950,  112,  112,  113,  113,  113,  113,  285,  254,
 /*    60 */   254,  518,  254,  254,  500,  518,  495,  518,  107,  104,
 /*    70 */   200, 1085,  515,  481,  386,  515, 1464,  442,  501,  230,
 /*    80 */   197,  439,   37,   37, 1172,  210,   65,   65,   65,   65,
 /*    90 */   254,  254,  111,  111,  111,  111,  110,  110,  109,  109,
 /*   100 */   109,  108,  404,  515,  404,  155, 1041,  431,  401,  400,
 /*   110 */   254,  254,  373, 1431, 1427,  408, 1110, 1085, 1086, 1087,
 /*   120 */   284, 1112,  500,  515,  500,  368, 1433, 1421, 1428, 1111,
 /*   130 */  1261,  499,  373,  502,  108,  404,  114,  115,  105, 1106,
 /*   140 */  1106,  957,  960,  950,  950,  112,  112,  113,  113,  113,
 /*   150 */   113,  276,  509, 1113,  369, 1113,  114,  115,  105, 1106,
 /*   160 */  1106,  957,  960,  950,  950,  112,  112,  113,  113,  113,
 /*   170 */   113,  496, 1420, 1431,  493, 1468, 1065,  260, 1063,  433,
 /*   180 */    74,  107,  104,  200,  498,  111,  111,  111,  111,  110,
 /*   190 */   110,  109,  109,  109,  108,  404,  373,  113,  113,  113,
 /*   200 */   113,  106,  131,   91, 1361,  111,  111,  111,  111,  110,
 /*   210 */   110,  109,  109,  109,  108,  404,  113,  113,  113,  113,
 /*   220 */   114,  115,  105, 1106, 1106,  957,  960,  950,  950,  112,
 /*   230 */   112,  113,  113,  113,  113,  111,  111,  111,  111,  110,
 /*   240 */   110,  109,  109,  109,  108,  404,  116,  110,  110,  109,
 /*   250 */   109,  109,  108,  404,  111,  111,  111,  111,  110,  110,
 /*   260 */   109,  109,  109,  108,  404,  917,  512,  512,  512,  111,
 /*   270 */   111,  111,  111,  110,  110,  109,  109,  109,  108,  404,
 /*   280 */   517, 1198, 1177,  181,  109,  109,  109,  108,  404,  373,
 /*   290 */  1198,  402,  402,  402,   75,  360,  111,  111,  111,  111,
 /*   300 */   110,  110,  109,  109,  109,  108,  404,  382,  299,  419,
 /*   310 */   287,  170,  518,  114,  115,  105, 1106, 1106,  957,  960,
 /*   320 */   950,  950,  112,  112,  113,  113,  113,  113, 1444,  523,
 /*   330 */     2, 1134,  518,   13,   13,  337,  277, 1085,  129,  226,
 /*   340 */   937, 1058, 1000,  471,  917, 1211,  453,  384, 1085,  395,
 /*   350 */   162, 1057,  155,   45,   45,  416,  928,  401,  400,  479,
 /*   360 */   927,   12,  111,  111,  111,  111,  110,  110,  109,  109,
 /*   370 */   109,  108,  404,  226,  286,  254,  254,  254,  254,  518,
 /*   380 */    16,   16,  373, 1085, 1086, 1087,  314,  299,  515,  472,
 /*   390 */   515,  927,  927,  929, 1085, 1086, 1087,  378,  276,  509,
 /*   400 */    65,   65, 1113,  210, 1113, 1085,  114,  115,  105, 1106,
 /*   410 */  1106,  957,  960,  950,  950,  112,  112,  113,  113,  113,
 /*   420 */   113, 1448,  222, 1134, 1089,  461,  458,  457,  277,  180,
 /*   430 */   129,  378,  392,  408,  423,  456,  500, 1211,  240,  257,
 /*   440 */   324,  464,  319,  463,  227,  470,   12,  317,  424,  300,
 /*   450 */   317, 1085, 1086, 1087,  485,  111,  111,  111,  111,  110,
 /*   460 */   110,  109,  109,  109,  108,  404,  181,  118, 1085,  254,
 /*   470 */   254, 1089,  518,   90,  351,  373,  518, 1181,  365,  798,
 /*   480 */  1440,  339,  515,  248,  248,   77,  325,  133, 1085,  249,
 /*   490 */   424,  300,  794,   49,   49,  210,  515,   65,   65,  114,
 /*   500 */   115,  105, 1106, 1106,  957,  960,  950,  950,  112,  112,
 /*   510 */   113,  113,  113,  113, 1085, 1086, 1087,  222, 1085,  438,
 /*   520 */   461,  458,  457,  937,  787,  408,  171,  857,  362, 1021,
 /*   530 */   456,  136,  198,  486, 1085, 1086, 1087,  448,  794,  928,
 /*   540 */     5,  193,  192,  927, 1022,  107,  104,  200,  111,  111,
 /*   550 */   111,  111,  110,  110,  109,  109,  109,  108,  404, 1023,
 /*   560 */   254,  254,  803, 1085, 1085, 1086, 1087,  437,  373, 1085,
 /*   570 */   344,  787,  791,  515,  927,  927,  929, 1085, 1408, 1396,
 /*   580 */   832, 1085,  176,    3,  852, 1085,  518, 1439,  429,  851,
 /*   590 */   833,  518,  114,  115,  105, 1106, 1106,  957,  960,  950,
 /*   600 */   950,  112,  112,  113,  113,  113,  113,   13,   13, 1085,
 /*   610 */  1086, 1087,   13,   13,  518, 1085, 1086, 1087, 1496,  358,
 /*   620 */  1085,  389, 1234, 1085, 1086, 1087,  391, 1085, 1086, 1087,
 /*   630 */   448, 1085, 1086, 1087,  518,   65,   65,  947,  947,  958,
 /*   640 */   961,  111,  111,  111,  111,  110,  110,  109,  109,  109,
 /*   650 */   108,  404,  518,  382,  878,   13,   13,  518,  877,  518,
 /*   660 */   263,  373,  518,  431,  448, 1070, 1085, 1086, 1087,  267,
 /*   670 */   448,  488, 1360,   64,   64,  431,  812,  155,   50,   50,
 /*   680 */    65,   65,  518,   65,   65,  114,  115,  105, 1106, 1106,
 /*   690 */   957,  960,  950,  950,  112,  112,  113,  113,  113,  113,
 /*   700 */   518,  951,  382,   13,   13,  415,  411,  462,  414, 1085,
 /*   710 */  1366,  777, 1210,  292,  297,  813,  399,  497,  181,  403,
 /*   720 */   261,   15,   15,  276,  509,  414,  413, 1366, 1368,  410,
 /*   730 */   372,  345, 1209,  264,  111,  111,  111,  111,  110,  110,
 /*   740 */   109,  109,  109,  108,  404,  265,  254,  254,  229, 1405,
 /*   750 */   268, 1215,  268, 1103,  373, 1085, 1086, 1087,  938,  515,
 /*   760 */   393,  409,  876,  515,  254,  254, 1152,  482,  473,  262,
 /*   770 */   422,  476,  325,  503,  289,  518,  291,  515,  114,  115,
 /*   780 */   105, 1106, 1106,  957,  960,  950,  950,  112,  112,  113,
 /*   790 */   113,  113,  113,  414, 1021, 1366,   39,   39,  254,  254,
 /*   800 */   254,  254,  980,  254,  254,  254,  254,  255,  255, 1022,
 /*   810 */   279,  515,  516,  515,  846,  846,  515,  138,  515,  518,
 /*   820 */   515, 1043, 1495,  251, 1023, 1495,  876,  111,  111,  111,
 /*   830 */   111,  110,  110,  109,  109,  109,  108,  404,  518, 1353,
 /*   840 */    51,   51,  518,  199,  518,  506,  290,  373,  518,  276,
 /*   850 */   509,  922,    9,  483,  233, 1005, 1005,  445,  189,   52,
 /*   860 */    52,  325,  280,   53,   53,   54,   54,  373,  876,   55,
 /*   870 */    55,  114,  115,  105, 1106, 1106,  957,  960,  950,  950,
 /*   880 */   112,  112,  113,  113,  113,  113,   97,  518,   95, 1104,
 /*   890 */  1041,  114,  115,  105, 1106, 1106,  957,  960,  950,  950,
 /*   900 */   112,  112,  113,  113,  113,  113,  135,  199,   56,   56,
 /*   910 */   765,  766,  767,  225,  224,  223,  518,  283,  437,  233,
 /*   920 */   111,  111,  111,  111,  110,  110,  109,  109,  109,  108,
 /*   930 */   404, 1002,  876,  326,  518, 1002, 1104,   40,   40,  518,
 /*   940 */   111,  111,  111,  111,  110,  110,  109,  109,  109,  108,
 /*   950 */   404,  518,  448,  518, 1104,   41,   41,  518,   17,  518,
 /*   960 */    43,   43, 1155,  379,  518,  448,  518,  443,  518,  390,
 /*   970 */   518,  194,   44,   44,   57,   57, 1247,  518,   58,   58,
 /*   980 */    59,   59,  518,  466,  326,   14,   14,   60,   60,  120,
 /*   990 */   120,   61,   61,  449, 1206,   93,  518,  425,   46,   46,
 /*  1000 */   518, 1104,  518,   62,   62,  518,  437,  305,  518,  852,
 /*  1010 */   518,  298,  518, 1246,  851,  373,  518,   63,   63, 1293,
 /*  1020 */   397,   47,   47,  142,  142, 1467,  143,  143,  821,   70,
 /*  1030 */    70,   48,   48,   66,   66,  373,  518,  121,  121,  114,
 /*  1040 */   115,  105, 1106, 1106,  957,  960,  950,  950,  112,  112,
 /*  1050 */   113,  113,  113,  113,  518,  418,  518,   67,   67,  114,
 /*  1060 */   115,  105, 1106, 1106,  957,  960,  950,  950,  112,  112,
 /*  1070 */   113,  113,  113,  113,  312,  122,  122,  123,  123, 1293,
 /*  1080 */   518,  357, 1126,   88,  518,  435,  325,  387,  111,  111,
 /*  1090 */   111,  111,  110,  110,  109,  109,  109,  108,  404,  266,
 /*  1100 */   518,  119,  119,  518, 1293,  141,  141,  518,  111,  111,
 /*  1110 */   111,  111,  110,  110,  109,  109,  109,  108,  404,  518,
 /*  1120 */   801,  140,  140,  518,  127,  127,  511,  379,  126,  126,
 /*  1130 */   518,  137,  518, 1308,  518,  307,  518,  310,  518,  203,
 /*  1140 */   124,  124, 1307,   96,  125,  125,  207,  388, 1441,  468,
 /*  1150 */  1127,   69,   69,   71,   71,   68,   68,   38,   38,   42,
 /*  1160 */    42,  357, 1042,  373, 1293,  276,  509,  801,  185,  469,
 /*  1170 */   494,  436,  444,    6,  380,  156,  253,  197,  469,  134,
 /*  1180 */   426,   33, 1038,  373, 1121,  359, 1411,  114,  115,  105,
 /*  1190 */  1106, 1106,  957,  960,  950,  950,  112,  112,  113,  113,
 /*  1200 */   113,  113,  914,  296,   27,  293,   90,  114,  103,  105,
 /*  1210 */  1106, 1106,  957,  960,  950,  950,  112,  112,  113,  113,
 /*  1220 */   113,  113,  919,  275,  430,  232,  891,  232,  432,  256,
 /*  1230 */  1127,  232,  398,  370,  892,   28,  111,  111,  111,  111,
 /*  1240 */   110,  110,  109,  109,  109,  108,  404,  301,  454, 1385,
 /*  1250 */    90,  228,  209,  987,  811,  810,  111,  111,  111,  111,
 /*  1260 */   110,  110,  109,  109,  109,  108,  404,  315,  818,  819,
 /*  1270 */    90,  323,  983,  931,  885,  228,  373,  232,  999,  849,
 /*  1280 */   999,  322,  102,  998, 1384,  998,  785,  850,  440,  132,
 /*  1290 */   102,  302, 1243,  306,  309,  311,  373,  313, 1194, 1180,
 /*  1300 */   987,  115,  105, 1106, 1106,  957,  960,  950,  950,  112,
 /*  1310 */   112,  113,  113,  113,  113, 1178, 1179,  318,  327,  328,
 /*  1320 */   931, 1255,  105, 1106, 1106,  957,  960,  950,  950,  112,
 /*  1330 */   112,  113,  113,  113,  113, 1292, 1230, 1457,  273, 1241,
 /*  1340 */   504,  505, 1298,  100,  510,  246,    4, 1161, 1154,  111,
 /*  1350 */   111,  111,  111,  110,  110,  109,  109,  109,  108,  404,
 /*  1360 */   513, 1143,  187, 1142,  202, 1144, 1451,  356, 1227,  111,
 /*  1370 */   111,  111,  111,  110,  110,  109,  109,  109,  108,  404,
 /*  1380 */    11, 1277,  330,  405,  332,  334,  191, 1285,  364,  195,
 /*  1390 */   295,  417,  288,  100,  510,  507,    4,  434,  459,  321,
 /*  1400 */  1177,  349, 1357, 1356,  336,  155,  190, 1454, 1121,  158,
 /*  1410 */   513,  508,  235, 1404,  937, 1402, 1118,  381,   77,  428,
 /*  1420 */    98,   98,    8, 1282,  168,   30,  152,   99,  160,  405,
 /*  1430 */   520,  519,   88,  405,  927, 1362, 1274,  420,  163,   73,
 /*  1440 */   164,   76,  165,  166,  421,  507,  452,  212,  361,  363,
 /*  1450 */   427,  276,  509,   31, 1288,  172,  491,  441,  216, 1351,
 /*  1460 */    82,  490,  447, 1373,  937,  927,  927,  929,  930,   24,
 /*  1470 */    98,   98,  304,  247,  218,  177,  308,   99,  219,  405,
 /*  1480 */   520,  519,  450, 1145,  927,  220,  366, 1197,  100,  510,
 /*  1490 */   465,    4, 1188, 1196, 1195,  394,  803, 1169, 1187,  367,
 /*  1500 */  1168,  396,  484,  320, 1167,  513, 1466,   87,  475,  100,
 /*  1510 */   510,  271,    4,  272,  478,  927,  927,  929,  930,   24,
 /*  1520 */  1443, 1074,  407, 1238, 1239,  258,  513,  329,  405,  331,
 /*  1530 */   355,  355,  354,  243,  352,  234,  489,  774,  498,  184,
 /*  1540 */   507,  338, 1422,  339,  117, 1220,   10,  341,  333,  405,
 /*  1550 */   204,  491,  282, 1219, 1237, 1236,  492,  335,  343,  937,
 /*  1560 */   281,  507,   94, 1337,  186,   98,   98,  347,   89,  487,
 /*  1570 */   348,  241,   99,   29,  405,  520,  519,  274, 1151,  927,
 /*  1580 */   937,  521, 1080,  245,  242,  244,   98,   98,  856,  522,
 /*  1590 */   206, 1140, 1135,   99,  144,  405,  520,  519,  147,  375,
 /*  1600 */   927,  149,  376,  157, 1389, 1390, 1388, 1387,  205,  145,
 /*  1610 */   927,  927,  929,  930,   24,  146,  130,  761, 1165, 1164,
 /*  1620 */    72,  100,  510, 1162,    4,  269,  406,  188,  278,  201,
 /*  1630 */   259,  927,  927,  929,  930,   24,  128,  911,  513,  997,
 /*  1640 */   995,  159,  374,  208,  148,  161,  835,  276,  509,  211,
 /*  1650 */   294, 1011,  915,  167,  150,  383,  169,   78,  385,   79,
 /*  1660 */    80,  405,   81,  151, 1014,  213,  214, 1010,  139,   18,
 /*  1670 */   412,  215,  303,  507,  232, 1115, 1003,  446,  173,  217,
 /*  1680 */   174,   32,  776,  451,  491,  322,  221,  175,  814,  490,
 /*  1690 */    83,  455,  937,   19,  460,  316,   20,   84,   98,   98,
 /*  1700 */   270,  182,   85,  467,  153,   99,  154,  405,  520,  519,
 /*  1710 */  1074,  407,  927,  183,  258,  963, 1046,   86,   34,  355,
 /*  1720 */   355,  354,  243,  352,  474, 1047,  774,   35,  477,  196,
 /*  1730 */   250,  100,  510,  252,    4,  884,  178,  231, 1060,  204,
 /*  1740 */    21,  282,  102,  927,  927,  929,  930,   24,  513,  281,
 /*  1750 */   879,   22, 1064, 1062, 1051,    7,  340,   23,  978,  179,
 /*  1760 */    90,   92,  510,  964,    4,  236,  962,  966, 1020, 1019,
 /*  1770 */   237,  405,  967,   25,   36,  514,  932,  786,  513,  206,
 /*  1780 */   101,   26,  845,  507,  238,  239, 1459,  147,  350, 1458,
 /*  1790 */   149,  353, 1075, 1131, 1131, 1131, 1131,  205, 1131, 1131,
 /*  1800 */  1131,  405,  937, 1131, 1131, 1131, 1131, 1131,   98,   98,
 /*  1810 */  1131, 1131, 1131,  507, 1131,   99, 1131,  405,  520,  519,
 /*  1820 */  1131, 1131,  927, 1131, 1131, 1131, 1131, 1131, 1131, 1131,
 /*  1830 */  1131,  374,  937, 1131, 1131, 1131,  276,  509,   98,   98,
 /*  1840 */  1131, 1131, 1131, 1131, 1131,   99, 1131,  405,  520,  519,
 /*  1850 */  1131, 1131,  927,  927,  927,  929,  930,   24, 1131,  412,
 /*  1860 */  1131, 1131, 1131,  258, 1131, 1131, 1131, 1131,  355,  355,
 /*  1870 */   354,  243,  352, 1131, 1131,  774, 1131, 1131, 1131, 1131,
 /*  1880 */  1131, 1131, 1131,  927,  927,  929,  930,   24,  204, 1131,
 /*  1890 */   282, 1131, 1131, 1131, 1131, 1131, 1131, 1131,  281, 1131,
 /*  1900 */  1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131,
 /*  1910 */  1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131,
 /*  1920 */  1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131,  206, 1131,
 /*  1930 */  1131, 1131, 1131, 1131, 1131, 1131,  147, 1131, 1131,  149,
 /*  1940 */  1131, 1131, 1131, 1131, 1131, 1131,  205, 1131, 1131, 1131,
 /*  1950 */  1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131,
 /*  1960 */  1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131,
 /*  1970 */  1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131,
 /*  1980 */   374, 1131, 1131, 1131, 1131,  276,  509, 1131, 1131, 1131,
 /*  1990 */  1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131,
 /*  2000 */  1131, 1131, 1131, 1131, 1131, 1131, 1131, 1131,  412,
};
static const YYCODETYPE yy_lookahead[] = {
 /*     0 */   168,  163,  184,  238,  239,  240,  163,  163,  155,  156,
 /*    10 */   157,  158,  159,  160,  163,  202,  203,  187,  165,   19,
 /*    20 */   167,  163,  184,  185,  259,  202,  203,  174,  184,  185,
 /*    30 */   174,   31,  238,  239,  240,  184,  185,   22,   23,   39,
 /*    40 */   216,   26,  218,   43,   44,   45,   46,   47,   48,   49,
 /*    50 */    50,   51,   52,   53,   54,   55,   56,   57,  174,  206,
 /*    60 */   207,  163,  206,  207,  220,  163,  163,  163,  238,  239,
 /*    70 */   240,   59,  219,  229,  231,  219,  183,  245,  174,  223,
 /*    80 */   224,  249,  184,  185,  191,  232,  184,  185,  184,  185,
 /*    90 */   206,  207,   92,   93,   94,   95,   96,   97,   98,   99,
 /*   100 */   100,  101,  102,  219,  102,   81,   91,  163,   96,   97,
 /*   110 */   206,  207,   19,  275,  276,  262,  104,  105,  106,  107,
 /*   120 */   163,  109,  220,  219,  220,  184,  275,  269,  277,  117,
 /*   130 */   187,  229,   19,  229,  101,  102,   43,   44,   45,   46,
 /*   140 */    47,   48,   49,   50,   51,   52,   53,   54,   55,   56,
 /*   150 */    57,  127,  128,  141,  184,  143,   43,   44,   45,   46,
 /*   160 */    47,   48,   49,   50,   51,   52,   53,   54,   55,   56,
 /*   170 */    57,  268,  269,  275,  276,  197,   83,  233,   85,  163,
 /*   180 */    67,  238,  239,  240,  134,   92,   93,   94,   95,   96,
 /*   190 */    97,   98,   99,  100,  101,  102,   19,   54,   55,   56,
 /*   200 */    57,   58,  152,   26,  247,   92,   93,   94,   95,   96,
 /*   210 */    97,   98,   99,  100,  101,  102,   54,   55,   56,   57,
 /*   220 */    43,   44,   45,   46,   47,   48,   49,   50,   51,   52,
 /*   230 */    53,   54,   55,   56,   57,   92,   93,   94,   95,   96,
 /*   240 */    97,   98,   99,  100,  101,  102,   69,   96,   97,   98,
 /*   250 */    99,  100,  101,  102,   92,   93,   94,   95,   96,   97,
 /*   260 */    98,   99,  100,  101,  102,   73,  179,  180,  181,   92,
 /*   270 */    93,   94,   95,   96,   97,   98,   99,  100,  101,  102,
 /*   280 */   163,  191,  192,  163,   98,   99,  100,  101,  102,   19,
 /*   290 */   200,  179,  180,  181,   24,  175,   92,   93,   94,   95,
 /*   300 */    96,   97,   98,   99,  100,  101,  102,  163,  116,  117,
 /*   310 */   118,   22,  163,   43,   44,   45,   46,   47,   48,   49,
 /*   320 */    50,   51,   52,   53,   54,   55,   56,   57,  157,  158,
 /*   330 */   159,  160,  163,  184,  185,  163,  165,   59,  167,   46,
 /*   340 */    90,   76,   11,  174,   73,  174,   19,  198,   59,   19,
 /*   350 */    72,   86,   81,  184,  185,  234,  106,   96,   97,  163,
 /*   360 */   110,  182,   92,   93,   94,   95,   96,   97,   98,   99,
 /*   370 */   100,  101,  102,   46,  230,  206,  207,  206,  207,  163,
 /*   380 */   184,  185,   19,  105,  106,  107,   23,  116,  219,  220,
 /*   390 */   219,  141,  142,  143,  105,  106,  107,  104,  127,  128,
 /*   400 */   184,  185,  141,  232,  143,   59,   43,   44,   45,   46,
 /*   410 */    47,   48,   49,   50,   51,   52,   53,   54,   55,   56,
 /*   420 */    57,  158,  108,  160,   59,  111,  112,  113,  165,  250,
 /*   430 */   167,  104,  102,  262,  255,  121,  220,  174,  108,  109,
 /*   440 */   110,  111,  112,  113,  114,  229,  182,  120,  117,  118,
 /*   450 */   120,  105,  106,  107,  163,   92,   93,   94,   95,   96,
 /*   460 */    97,   98,   99,  100,  101,  102,  163,   22,   59,  206,
 /*   470 */   207,  106,  163,   26,  171,   19,  163,  193,  175,   23,
 /*   480 */   163,   22,  219,  206,  207,  139,  163,   22,   59,  182,
 /*   490 */   117,  118,   59,  184,  185,  232,  219,  184,  185,   43,
 /*   500 */    44,   45,   46,   47,   48,   49,   50,   51,   52,   53,
 /*   510 */    54,   55,   56,   57,  105,  106,  107,  108,   59,  255,
 /*   520 */   111,  112,  113,   90,   59,  262,   22,   98,  174,   12,
 /*   530 */   121,  208,  163,  220,  105,  106,  107,  163,  105,  106,
 /*   540 */    22,   96,   97,  110,   27,  238,  239,  240,   92,   93,
 /*   550 */    94,   95,   96,   97,   98,   99,  100,  101,  102,   42,
 /*   560 */   206,  207,  115,   59,  105,  106,  107,  163,   19,   59,
 /*   570 */   163,  106,   23,  219,  141,  142,  143,   59,  163,  205,
 /*   580 */    63,   59,   72,   22,  124,   59,  163,  270,  234,  129,
 /*   590 */    73,  163,   43,   44,   45,   46,   47,   48,   49,   50,
 /*   600 */    51,   52,   53,   54,   55,   56,   57,  184,  185,  105,
 /*   610 */   106,  107,  184,  185,  163,  105,  106,  107,  265,  266,
 /*   620 */    59,  198,  225,  105,  106,  107,  198,  105,  106,  107,
 /*   630 */   163,  105,  106,  107,  163,  184,  185,   46,   47,   48,
 /*   640 */    49,   92,   93,   94,   95,   96,   97,   98,   99,  100,
 /*   650 */   101,  102,  163,  163,  132,  184,  185,  163,  132,  163,
 /*   660 */   256,   19,  163,  163,  163,   23,  105,  106,  107,  198,
 /*   670 */   163,  220,  205,  184,  185,  163,   35,   81,  184,  185,
 /*   680 */   184,  185,  163,  184,  185,   43,   44,   45,   46,   47,
 /*   690 */    48,   49,   50,   51,   52,   53,   54,   55,   56,   57,
 /*   700 */   163,  110,  163,  184,  185,  109,  205,   66,  163,   59,
 /*   710 */   163,   21,  205,   16,  174,   74,  220,  198,  163,  220,
 /*   720 */   230,  184,  185,  127,  128,  180,  181,  180,  181,  163,
 /*   730 */   175,  242,  174,  233,   92,   93,   94,   95,   96,   97,
 /*   740 */    98,   99,  100,  101,  102,  233,  206,  207,   26,  163,
 /*   750 */   195,  207,  197,   26,   19,  105,  106,  107,   23,  219,
 /*   760 */   119,  260,   26,  219,  206,  207,  174,   19,  174,  230,
 /*   770 */    80,  174,  163,  174,   77,  163,   79,  219,   43,   44,
 /*   780 */    45,   46,   47,   48,   49,   50,   51,   52,   53,   54,
 /*   790 */    55,   56,   57,  248,   12,  248,  184,  185,  206,  207,
 /*   800 */   206,  207,  112,  206,  207,  206,  207,  206,  207,   27,
 /*   810 */   163,  219,  123,  219,  125,  126,  219,  208,  219,  163,
 /*   820 */   219,   22,   23,   23,   42,   26,   26,   92,   93,   94,
 /*   830 */    95,   96,   97,   98,   99,  100,  101,  102,  163,  149,
 /*   840 */   184,  185,  163,  107,  163,   63,  149,   19,  163,  127,
 /*   850 */   128,   23,   22,  105,   24,  116,  117,  118,  131,  184,
 /*   860 */   185,  163,  163,  184,  185,  184,  185,   19,  132,  184,
 /*   870 */   185,   43,   44,   45,   46,   47,   48,   49,   50,   51,
 /*   880 */    52,   53,   54,   55,   56,   57,  146,  163,  148,   59,
 /*   890 */    91,   43,   44,   45,   46,   47,   48,   49,   50,   51,
 /*   900 */    52,   53,   54,   55,   56,   57,  208,  107,  184,  185,
 /*   910 */     7,    8,    9,  116,  117,  118,  163,  163,  163,   24,
 /*   920 */    92,   93,   94,   95,   96,   97,   98,   99,  100,  101,
 /*   930 */   102,   29,  132,  163,  163,   33,  106,  184,  185,  163,
 /*   940 */    92,   93,   94,   95,   96,   97,   98,   99,  100,  101,
 /*   950 */   102,  163,  163,  163,   59,  184,  185,  163,   22,  163,
 /*   960 */   184,  185,  177,  178,  163,  163,  163,   65,  163,  199,
 /*   970 */   163,   26,  184,  185,  184,  185,  163,  163,  184,  185,
 /*   980 */   184,  185,  163,   98,  163,  184,  185,  184,  185,  184,
 /*   990 */   185,  184,  185,  252,  205,  147,  163,   61,  184,  185,
 /*  1000 */   163,  106,  163,  184,  185,  163,  163,  205,  163,  124,
 /*  1010 */   163,  256,  163,  163,  129,   19,  163,  184,  185,  163,
 /*  1020 */   199,  184,  185,  184,  185,   23,  184,  185,   26,  184,
 /*  1030 */   185,  184,  185,  184,  185,   19,  163,  184,  185,   43,
 /*  1040 */    44,   45,   46,   47,   48,   49,   50,   51,   52,   53,
 /*  1050 */    54,   55,   56,   57,  163,  163,  163,  184,  185,   43,
 /*  1060 */    44,   45,   46,   47,   48,   49,   50,   51,   52,   53,
 /*  1070 */    54,   55,   56,   57,   16,  184,  185,  184,  185,  163,
 /*  1080 */   163,   22,   23,  138,  163,   19,  163,  231,   92,   93,
 /*  1090 */    94,   95,   96,   97,   98,   99,  100,  101,  102,  256,
 /*  1100 */   163,  184,  185,  163,  163,  184,  185,  163,   92,   93,
 /*  1110 */    94,   95,   96,   97,   98,   99,  100,  101,  102,  163,
 /*  1120 */    59,  184,  185,  163,  184,  185,  177,  178,  184,  185,
 /*  1130 */   163,  208,  163,  237,  163,   77,  163,   79,  163,   15,
 /*  1140 */   184,  185,  237,  147,  184,  185,   24,  231,  153,  154,
 /*  1150 */    91,  184,  185,  184,  185,  184,  185,  184,  185,  184,
 /*  1160 */   185,   22,   23,   19,  163,  127,  128,  106,   24,  273,
 /*  1170 */   271,  105,  231,  274,  263,  264,  223,  224,  273,   22,
 /*  1180 */   118,   24,   23,   19,   60,   26,  163,   43,   44,   45,
 /*  1190 */    46,   47,   48,   49,   50,   51,   52,   53,   54,   55,
 /*  1200 */    56,   57,  140,   23,   22,  163,   26,   43,   44,   45,
 /*  1210 */    46,   47,   48,   49,   50,   51,   52,   53,   54,   55,
 /*  1220 */    56,   57,   23,  211,   23,   26,   31,   26,   23,   22,
 /*  1230 */    91,   26,  231,  221,   39,   53,   92,   93,   94,   95,
 /*  1240 */    96,   97,   98,   99,  100,  101,  102,   23,   23,  163,
 /*  1250 */    26,   26,  130,   59,  109,  110,   92,   93,   94,   95,
 /*  1260 */    96,   97,   98,   99,  100,  101,  102,   23,    7,    8,
 /*  1270 */    26,  110,   23,   59,   23,   26,   19,   26,  141,   23,
 /*  1280 */   143,  120,   26,  141,  163,  143,   23,   23,  163,   26,
 /*  1290 */    26,  163,  163,  163,  163,  163,   19,  163,  163,  193,
 /*  1300 */   106,   44,   45,   46,   47,   48,   49,   50,   51,   52,
 /*  1310 */    53,   54,   55,   56,   57,  163,  193,  163,  163,  163,
 /*  1320 */   106,  163,   45,   46,   47,   48,   49,   50,   51,   52,
 /*  1330 */    53,   54,   55,   56,   57,  163,  163,  130,  222,  163,
 /*  1340 */   163,  203,  163,   19,   20,  251,   22,  163,  163,   92,
 /*  1350 */    93,   94,   95,   96,   97,   98,   99,  100,  101,  102,
 /*  1360 */    36,  163,  209,  163,  261,  163,  163,  161,  222,   92,
 /*  1370 */    93,   94,   95,   96,   97,   98,   99,  100,  101,  102,
 /*  1380 */   210,  213,  222,   59,  222,  222,  182,  213,  213,  196,
 /*  1390 */   257,  226,  226,   19,   20,   71,   22,  257,  188,  187,
 /*  1400 */   192,  212,  187,  187,  226,   81,  210,  166,   60,  261,
 /*  1410 */    36,  244,  130,  170,   90,  170,   38,  170,  139,  104,
 /*  1420 */    96,   97,   48,  236,   22,  235,   43,  103,  201,  105,
 /*  1430 */   106,  107,  138,   59,  110,  247,  213,   18,  204,  258,
 /*  1440 */   204,  258,  204,  204,  170,   71,   18,  169,  213,  236,
 /*  1450 */   213,  127,  128,  235,  201,  201,   82,  170,  169,  213,
 /*  1460 */   146,   87,   62,  254,   90,  141,  142,  143,  144,  145,
 /*  1470 */    96,   97,  253,  170,  169,   22,  170,  103,  169,  105,
 /*  1480 */   106,  107,  189,  170,  110,  169,  189,  186,   19,   20,
 /*  1490 */   104,   22,  194,  186,  186,   64,  115,  186,  194,  189,
 /*  1500 */   188,  102,  133,  186,  186,   36,  186,  104,  189,   19,
 /*  1510 */    20,  246,   22,  246,  189,  141,  142,  143,  144,  145,
 /*  1520 */     0,    1,    2,  228,  228,    5,   36,  227,   59,  227,
 /*  1530 */    10,   11,   12,   13,   14,  170,   84,   17,  134,  216,
 /*  1540 */    71,  272,  270,   22,  137,  217,   22,  216,  227,   59,
 /*  1550 */    30,   82,   32,  217,  228,  228,   87,  227,  170,   90,
 /*  1560 */    40,   71,  146,  241,  215,   96,   97,  214,  136,  135,
 /*  1570 */   213,   25,  103,   26,  105,  106,  107,  243,  173,  110,
 /*  1580 */    90,  172,   13,    6,  164,  164,   96,   97,   98,  162,
 /*  1590 */    70,  162,  162,  103,  176,  105,  106,  107,   78,  267,
 /*  1600 */   110,   81,  267,  264,  182,  182,  182,  182,   88,  176,
 /*  1610 */   141,  142,  143,  144,  145,  176,  190,    4,  182,  182,
 /*  1620 */   182,   19,   20,  182,   22,  190,    3,   22,  151,   15,
 /*  1630 */    89,  141,  142,  143,  144,  145,   16,  128,   36,   23,
 /*  1640 */    23,  139,  122,   24,  119,  131,   20,  127,  128,  133,
 /*  1650 */    16,    1,  140,  131,  119,   61,  139,   53,   37,   53,
 /*  1660 */    53,   59,   53,  119,  105,   34,  130,    1,    5,   22,
 /*  1670 */   150,  104,  149,   71,   26,   75,   68,   41,   68,  130,
 /*  1680 */   104,   24,   20,   19,   82,  120,  114,   22,   28,   87,
 /*  1690 */    22,   67,   90,   22,   67,   23,   22,   22,   96,   97,
 /*  1700 */    67,   23,  138,   22,   37,  103,  153,  105,  106,  107,
 /*  1710 */     1,    2,  110,   23,    5,   23,   23,   26,   22,   10,
 /*  1720 */    11,   12,   13,   14,   24,   23,   17,   22,   24,  130,
 /*  1730 */    23,   19,   20,   23,   22,  105,   22,   34,   85,   30,
 /*  1740 */    34,   32,   26,  141,  142,  143,  144,  145,   36,   40,
 /*  1750 */   132,   34,   75,   83,   23,   44,   24,   34,   23,   26,
 /*  1760 */    26,   19,   20,   23,   22,   26,   23,   23,   23,   23,
 /*  1770 */    22,   59,   11,   22,   22,   26,   23,   23,   36,   70,
 /*  1780 */    22,   22,  124,   71,  130,  130,  130,   78,   23,  130,
 /*  1790 */    81,   15,    1,  278,  278,  278,  278,   88,  278,  278,
 /*  1800 */   278,   59,   90,  278,  278,  278,  278,  278,   96,   97,
 /*  1810 */   278,  278,  278,   71,  278,  103,  278,  105,  106,  107,
 /*  1820 */   278,  278,  110,  278,  278,  278,  278,  278,  278,  278,
 /*  1830 */   278,  122,   90,  278,  278,  278,  127,  128,   96,   97,
 /*  1840 */   278,  278,  278,  278,  278,  103,  278,  105,  106,  107,
 /*  1850 */   278,  278,  110,  141,  142,  143,  144,  145,  278,  150,
 /*  1860 */   278,  278,  278,    5,  278,  278,  278,  278,   10,   11,
 /*  1870 */    12,   13,   14,  278,  278,   17,  278,  278,  278,  278,
 /*  1880 */   278,  278,  278,  141,  142,  143,  144,  145,   30,  278,
 /*  1890 */    32,  278,  278,  278,  278,  278,  278,  278,   40,  278,
 /*  1900 */   278,  278,  278,  278,  278,  278,  278,  278,  278,  278,
 /*  1910 */   278,  278,  278,  278,  278,  278,  278,  278,  278,  278,
 /*  1920 */   278,  278,  278,  278,  278,  278,  278,  278,   70,  278,
 /*  1930 */   278,  278,  278,  278,  278,  278,   78,  278,  278,   81,
 /*  1940 */   278,  278,  278,  278,  278,  278,   88,  278,  278,  278,
 /*  1950 */   278,  278,  278,  278,  278,  278,  278,  278,  278,  278,
 /*  1960 */   278,  278,  278,  278,  278,  278,  278,  278,  278,  278,
 /*  1970 */   278,  278,  278,  278,  278,  278,  278,  278,  278,  278,
 /*  1980 */   122,  278,  278,  278,  278,  127,  128,  278,  278,  278,
 /*  1990 */   278,  278,  278,  278,  278,  278,  278,  278,  278,  278,
 /*  2000 */   278,  278,  278,  278,  278,  278,  278,  278,  150,  278,
 /*  2010 */   278,  278,  278,  278,  278,  278,  278,  278,  278,
};
#define YY_SHIFT_COUNT    (523)
#define YY_SHIFT_MIN      (0)
#define YY_SHIFT_MAX      (1858)
static const unsigned short int yy_shift_ofst[] = {
 /*     0 */  1709, 1520, 1858, 1324, 1324,   24, 1374, 1469, 1602, 1712,
 /*    10 */  1712, 1712,  271,    0,    0,  113, 1016, 1712, 1712, 1712,
 /*    20 */  1712, 1712, 1712, 1712, 1712, 1712, 1712,   12,   12,  409,
 /*    30 */   596,   24,   24,   24,   24,   24,   24,   93,  177,  270,
 /*    40 */   363,  456,  549,  642,  735,  828,  848,  996, 1144, 1016,
 /*    50 */  1016, 1016, 1016, 1016, 1016, 1016, 1016, 1016, 1016, 1016,
 /*    60 */  1016, 1016, 1016, 1016, 1016, 1016, 1016, 1164, 1016, 1257,
 /*    70 */  1277, 1277, 1490, 1712, 1712, 1712, 1712, 1712, 1712, 1712,
 /*    80 */  1712, 1712, 1712, 1712, 1712, 1712, 1712, 1712, 1712, 1712,
 /*    90 */  1712, 1712, 1712, 1712, 1712, 1712, 1712, 1712, 1712, 1712,
 /*   100 */  1712, 1712, 1712, 1712, 1712, 1742, 1712, 1712, 1712, 1712,
 /*   110 */  1712, 1712, 1712, 1712, 1712, 1712, 1712, 1712, 1712,  143,
 /*   120 */   162,  162,  162,  162,  162,  204,  151,  186,  650,  690,
 /*   130 */   327,  650,  261,  261,  650,  722,  722,  722,  722,  373,
 /*   140 */    33,    2, 2009, 2009,  330,  330,  330,  346,  289,  278,
 /*   150 */   289,  289,  517,  517,  459,  510,   15,  799,  650,  650,
 /*   160 */   650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
 /*   170 */   650,  650,  650,  650,  650,  650,  650,  650,  650,  650,
 /*   180 */   331,  365,  995,  995,  265,  365,   50, 1038, 2009, 2009,
 /*   190 */  2009,  433,  250,  250,  504,  314,  429,  518,  522,  526,
 /*   200 */   561,  650,  650,  650,  650,  650,  650,  650,  650,  650,
 /*   210 */   192,  650,  650,  650,  650,  650,  650,  650,  650,  650,
 /*   220 */   650,  650,  650,  641,  641,  641,  650,  650,  650,  650,
 /*   230 */   800,  650,  650,  650,  830,  650,  650,  782,  650,  650,
 /*   240 */   650,  650,  650,  650,  650,  650,  739,  902,  689,  895,
 /*   250 */   895,  895,  895,  736,  689,  689,  885,  445,  903, 1124,
 /*   260 */   945,  748,  748, 1066,  945,  945, 1066,  447, 1002,  293,
 /*   270 */  1195, 1195, 1195,  748,  740,  727,  460, 1157, 1348, 1282,
 /*   280 */  1282, 1378, 1378, 1282, 1279, 1315, 1402, 1383, 1294, 1419,
 /*   290 */  1419, 1419, 1419, 1282, 1428, 1294, 1294, 1315, 1402, 1383,
 /*   300 */  1383, 1294, 1282, 1428, 1314, 1400, 1282, 1428, 1453, 1282,
 /*   310 */  1428, 1282, 1428, 1453, 1386, 1386, 1386, 1431, 1453, 1386,
 /*   320 */  1381, 1386, 1431, 1386, 1386, 1453, 1399, 1399, 1453, 1369,
 /*   330 */  1403, 1369, 1403, 1369, 1403, 1369, 1403, 1282, 1404, 1452,
 /*   340 */  1521, 1407, 1404, 1524, 1282, 1416, 1407, 1432, 1434, 1294,
 /*   350 */  1546, 1547, 1569, 1569, 1577, 1577, 1577, 2009, 2009, 2009,
 /*   360 */  2009, 2009, 2009, 2009, 2009, 2009, 2009, 2009, 2009, 2009,
 /*   370 */  2009, 2009, 2009,  591,  697, 1059, 1139, 1058,  797,  465,
 /*   380 */  1159, 1182, 1122, 1062, 1180,  936, 1199, 1201, 1205, 1224,
 /*   390 */  1225, 1244, 1061, 1145, 1261, 1161, 1194, 1249, 1251, 1256,
 /*   400 */  1137, 1142, 1263, 1264, 1214, 1207, 1613, 1623, 1605, 1477,
 /*   410 */  1614, 1541, 1620, 1616, 1617, 1509, 1502, 1525, 1619, 1514,
 /*   420 */  1626, 1516, 1634, 1650, 1522, 1512, 1535, 1594, 1621, 1517,
 /*   430 */  1604, 1606, 1607, 1609, 1544, 1559, 1631, 1536, 1666, 1663,
 /*   440 */  1647, 1567, 1523, 1608, 1648, 1610, 1600, 1636, 1549, 1576,
 /*   450 */  1657, 1662, 1664, 1565, 1572, 1665, 1624, 1668, 1671, 1672,
 /*   460 */  1674, 1627, 1660, 1675, 1633, 1667, 1678, 1564, 1681, 1553,
 /*   470 */  1690, 1692, 1691, 1693, 1696, 1700, 1702, 1705, 1704, 1599,
 /*   480 */  1707, 1710, 1630, 1703, 1714, 1618, 1716, 1706, 1716, 1717,
 /*   490 */  1653, 1677, 1670, 1711, 1731, 1732, 1733, 1734, 1723, 1735,
 /*   500 */  1716, 1740, 1743, 1744, 1745, 1739, 1746, 1748, 1761, 1751,
 /*   510 */  1752, 1753, 1754, 1758, 1759, 1749, 1658, 1654, 1655, 1656,
 /*   520 */  1659, 1765, 1776, 1791,
};
#define YY_REDUCE_COUNT (372)
#define YY_REDUCE_MIN   (-235)
#define YY_REDUCE_MAX   (1441)
static const short yy_reduce_ofst[] = {
 /*     0 */  -147,  171,  263,  -96,  169, -144, -162, -149, -102, -156,
 /*    10 */   -98,  216,  354, -170,  -57, -235,  307,  149,  423,  428,
 /*    20 */   471,  313,  451,  519,  489,  496,  499,  545,  547,  555,
 /*    30 */  -116,  540,  558,  592,  594,  597,  599, -206, -206, -206,
 /*    40 */  -206, -206, -206, -206, -206, -206, -206, -206, -206, -206,
 /*    50 */  -206, -206, -206, -206, -206, -206, -206, -206, -206, -206,
 /*    60 */  -206, -206, -206, -206, -206, -206, -206, -206, -206, -206,
 /*    70 */  -206, -206,  196,  309,  494,  537,  612,  656,  675,  679,
 /*    80 */   681,  685,  724,  753,  771,  776,  788,  790,  794,  796,
 /*    90 */   801,  803,  805,  807,  814,  819,  833,  837,  839,  842,
 /*   100 */   845,  847,  849,  853,  873,  891,  893,  917,  921,  937,
 /*   110 */   940,  944,  956,  960,  967,  969,  971,  973,  975, -206,
 /*   120 */  -206, -206, -206, -206, -206, -206, -206, -206,  501, -168,
 /*   130 */    90,  -97,   87,  112,  303,  277,  601,  277,  601,  179,
 /*   140 */  -206, -206, -206, -206, -107, -107, -107,  -43,  -56,  323,
 /*   150 */   500,  512, -187, -177,  317,  609,  353,  353,  120,  144,
 /*   160 */   490,  539,  698,  374,  467,  507,  789,  404, -157,  755,
 /*   170 */   856,  916,  843,  941,  802,  770,  923,  821, 1001, -142,
 /*   180 */   264,  785,  896,  905,  899,  949, -176,  544,  911,  953,
 /*   190 */  1012, -182,  -59,  -30,   16,  -22,  117,  172,  291,  369,
 /*   200 */   407,  415,  566,  586,  647,  699,  754,  813,  850,  892,
 /*   210 */   121, 1023, 1042, 1086, 1121, 1125, 1128, 1129, 1130, 1131,
 /*   220 */  1132, 1134, 1135,  284, 1106, 1123, 1152, 1154, 1155, 1156,
 /*   230 */   397, 1158, 1172, 1173, 1116, 1176, 1177, 1138, 1179,  117,
 /*   240 */  1184, 1185, 1198, 1200, 1202, 1203,  741, 1094, 1153, 1146,
 /*   250 */  1160, 1162, 1163,  397, 1153, 1153, 1170, 1204, 1206, 1103,
 /*   260 */  1168, 1165, 1166, 1133, 1174, 1175, 1140, 1210, 1193, 1208,
 /*   270 */  1212, 1215, 1216, 1178, 1167, 1189, 1196, 1241, 1148, 1243,
 /*   280 */  1245, 1181, 1183, 1247, 1188, 1187, 1190, 1227, 1223, 1234,
 /*   290 */  1236, 1238, 1239, 1274, 1278, 1235, 1237, 1213, 1218, 1253,
 /*   300 */  1254, 1246, 1287, 1289, 1209, 1219, 1303, 1305, 1293, 1306,
 /*   310 */  1309, 1313, 1316, 1297, 1301, 1307, 1308, 1298, 1310, 1311,
 /*   320 */  1312, 1317, 1304, 1318, 1320, 1319, 1265, 1267, 1325, 1295,
 /*   330 */  1300, 1296, 1302, 1326, 1321, 1327, 1330, 1365, 1323, 1269,
 /*   340 */  1272, 1328, 1331, 1322, 1388, 1334, 1336, 1349, 1353, 1357,
 /*   350 */  1405, 1409, 1420, 1421, 1427, 1429, 1430, 1332, 1335, 1339,
 /*   360 */  1418, 1422, 1423, 1424, 1425, 1433, 1426, 1435, 1436, 1437,
 /*   370 */  1438, 1441, 1439,
};
static const YYACTIONTYPE yy_default[] = {
 /*     0 */  1500, 1500, 1500, 1346, 1129, 1235, 1129, 1129, 1129, 1346,
 /*    10 */  1346, 1346, 1129, 1265, 1265, 1399, 1160, 1129, 1129, 1129,
 /*    20 */  1129, 1129, 1129, 1129, 1345, 1129, 1129, 1129, 1129, 1129,
 /*    30 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1271, 1129,
 /*    40 */  1129, 1129, 1129, 1129, 1347, 1348, 1129, 1129, 1129, 1398,
 /*    50 */  1400, 1363, 1281, 1280, 1279, 1278, 1381, 1252, 1276, 1269,
 /*    60 */  1273, 1341, 1342, 1340, 1344, 1348, 1347, 1129, 1272, 1312,
 /*    70 */  1326, 1311, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*    80 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*    90 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   100 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   110 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1320,
 /*   120 */  1325, 1331, 1324, 1321, 1314, 1313, 1315, 1316, 1129, 1150,
 /*   130 */  1199, 1129, 1129, 1129, 1129, 1417, 1416, 1129, 1129, 1160,
 /*   140 */  1317, 1318, 1328, 1327, 1406, 1456, 1455, 1364, 1129, 1129,
 /*   150 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   160 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   170 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   180 */  1160, 1156, 1306, 1305, 1426, 1156, 1259, 1129, 1412, 1235,
 /*   190 */  1226, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   200 */  1129, 1129, 1129, 1129, 1403, 1401, 1129, 1129, 1129, 1129,
 /*   210 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   220 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   230 */  1129, 1129, 1129, 1129, 1231, 1129, 1129, 1129, 1129, 1129,
 /*   240 */  1129, 1129, 1129, 1129, 1129, 1450, 1129, 1376, 1213, 1231,
 /*   250 */  1231, 1231, 1231, 1233, 1214, 1212, 1225, 1160, 1136, 1492,
 /*   260 */  1275, 1254, 1254, 1489, 1275, 1275, 1489, 1174, 1470, 1171,
 /*   270 */  1265, 1265, 1265, 1254, 1343, 1232, 1225, 1129, 1492, 1240,
 /*   280 */  1240, 1491, 1491, 1240, 1364, 1284, 1290, 1202, 1275, 1208,
 /*   290 */  1208, 1208, 1208, 1240, 1147, 1275, 1275, 1284, 1290, 1202,
 /*   300 */  1202, 1275, 1240, 1147, 1380, 1486, 1240, 1147, 1354, 1240,
 /*   310 */  1147, 1240, 1147, 1354, 1200, 1200, 1200, 1189, 1354, 1200,
 /*   320 */  1174, 1200, 1189, 1200, 1200, 1354, 1358, 1358, 1354, 1258,
 /*   330 */  1253, 1258, 1253, 1258, 1253, 1258, 1253, 1240, 1259, 1425,
 /*   340 */  1129, 1270, 1259, 1349, 1240, 1129, 1270, 1268, 1266, 1275,
 /*   350 */  1153, 1192, 1453, 1453, 1449, 1449, 1449, 1497, 1497, 1412,
 /*   360 */  1465, 1160, 1160, 1160, 1160, 1465, 1176, 1176, 1160, 1160,
 /*   370 */  1160, 1160, 1465, 1129, 1129, 1129, 1129, 1129, 1129, 1460,
 /*   380 */  1129, 1365, 1244, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   390 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   400 */  1129, 1129, 1129, 1129, 1129, 1295, 1129, 1132, 1409, 1129,
 /*   410 */  1129, 1407, 1129, 1129, 1129, 1129, 1129, 1129, 1245, 1129,
 /*   420 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   430 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1488, 1129, 1129,
 /*   440 */  1129, 1129, 1129, 1129, 1379, 1378, 1129, 1129, 1242, 1129,
 /*   450 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   460 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   470 */  1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   480 */  1129, 1129, 1129, 1129, 1129, 1129, 1267, 1129, 1424, 1129,
 /*   490 */  1129, 1129, 1129, 1129, 1129, 1129, 1438, 1260, 1129, 1129,
 /*   500 */  1479, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129, 1129,
 /*   510 */  1129, 1129, 1129, 1129, 1129, 1474, 1216, 1297, 1129, 1296,
 /*   520 */  1300, 1129, 1141, 1129,


































};
/********** End of lemon-generated parsing tables *****************************/

/* The next table maps tokens (terminal symbols) into fallback tokens.  
** If a construct like the following:
** 
**      %fallback ID X Y Z.
................................................................................
   59,  /*       WITH => ID */
   59,  /*    CURRENT => ID */
   59,  /*  FOLLOWING => ID */
   59,  /*  PARTITION => ID */
   59,  /*  PRECEDING => ID */
   59,  /*      RANGE => ID */
   59,  /*  UNBOUNDED => ID */




   59,  /*    REINDEX => ID */
   59,  /*     RENAME => ID */
   59,  /*   CTIME_KW => ID */
};
#endif /* YYFALLBACK */

/* The following structure represents a single element of the
................................................................................
  /*   81 */ "WITH",
  /*   82 */ "CURRENT",
  /*   83 */ "FOLLOWING",
  /*   84 */ "PARTITION",
  /*   85 */ "PRECEDING",
  /*   86 */ "RANGE",
  /*   87 */ "UNBOUNDED",
  /*   88 */ "REINDEX",
  /*   89 */ "RENAME",
  /*   90 */ "CTIME_KW",
  /*   91 */ "ANY",
  /*   92 */ "BITAND",
  /*   93 */ "BITOR",
  /*   94 */ "LSHIFT",
  /*   95 */ "RSHIFT",
  /*   96 */ "PLUS",
  /*   97 */ "MINUS",
  /*   98 */ "STAR",
  /*   99 */ "SLASH",
  /*  100 */ "REM",
  /*  101 */ "CONCAT",
  /*  102 */ "COLLATE",
  /*  103 */ "BITNOT",
  /*  104 */ "ON",
  /*  105 */ "INDEXED",
  /*  106 */ "STRING",
  /*  107 */ "JOIN_KW",
  /*  108 */ "CONSTRAINT",
  /*  109 */ "DEFAULT",
  /*  110 */ "NULL",
  /*  111 */ "PRIMARY",
  /*  112 */ "UNIQUE",
  /*  113 */ "CHECK",
  /*  114 */ "REFERENCES",
  /*  115 */ "AUTOINCR",
  /*  116 */ "INSERT",
  /*  117 */ "DELETE",
  /*  118 */ "UPDATE",
  /*  119 */ "SET",
  /*  120 */ "DEFERRABLE",
  /*  121 */ "FOREIGN",
  /*  122 */ "DROP",
  /*  123 */ "UNION",
  /*  124 */ "ALL",
  /*  125 */ "EXCEPT",
  /*  126 */ "INTERSECT",
  /*  127 */ "SELECT",
  /*  128 */ "VALUES",
  /*  129 */ "DISTINCT",
  /*  130 */ "DOT",
  /*  131 */ "FROM",
  /*  132 */ "JOIN",
  /*  133 */ "USING",
  /*  134 */ "ORDER",
  /*  135 */ "GROUP",
  /*  136 */ "HAVING",
  /*  137 */ "LIMIT",
  /*  138 */ "WHERE",
  /*  139 */ "INTO",
  /*  140 */ "NOTHING",
  /*  141 */ "FLOAT",
  /*  142 */ "BLOB",
  /*  143 */ "INTEGER",
  /*  144 */ "VARIABLE",
  /*  145 */ "CASE",
  /*  146 */ "WHEN",
  /*  147 */ "THEN",
  /*  148 */ "ELSE",
  /*  149 */ "INDEX",
  /*  150 */ "ALTER",
  /*  151 */ "ADD",
  /*  152 */ "WINDOW",
  /*  153 */ "OVER",
  /*  154 */ "FILTER",
  /*  155 */ "input",
  /*  156 */ "cmdlist",
  /*  157 */ "ecmd",
  /*  158 */ "cmdx",
  /*  159 */ "explain",
  /*  160 */ "cmd",
  /*  161 */ "transtype",
  /*  162 */ "trans_opt",
  /*  163 */ "nm",
  /*  164 */ "savepoint_opt",
  /*  165 */ "create_table",
  /*  166 */ "create_table_args",
  /*  167 */ "createkw",
  /*  168 */ "temp",
  /*  169 */ "ifnotexists",
  /*  170 */ "dbnm",
  /*  171 */ "columnlist",
  /*  172 */ "conslist_opt",
  /*  173 */ "table_options",
  /*  174 */ "select",
  /*  175 */ "columnname",
  /*  176 */ "carglist",
  /*  177 */ "typetoken",
  /*  178 */ "typename",
  /*  179 */ "signed",
  /*  180 */ "plus_num",
  /*  181 */ "minus_num",
  /*  182 */ "scanpt",
  /*  183 */ "ccons",
  /*  184 */ "term",
  /*  185 */ "expr",
  /*  186 */ "onconf",
  /*  187 */ "sortorder",
  /*  188 */ "autoinc",
  /*  189 */ "eidlist_opt",
  /*  190 */ "refargs",
  /*  191 */ "defer_subclause",
  /*  192 */ "refarg",
  /*  193 */ "refact",
  /*  194 */ "init_deferred_pred_opt",
  /*  195 */ "conslist",
  /*  196 */ "tconscomma",
  /*  197 */ "tcons",
  /*  198 */ "sortlist",
  /*  199 */ "eidlist",
  /*  200 */ "defer_subclause_opt",
  /*  201 */ "orconf",
  /*  202 */ "resolvetype",
  /*  203 */ "raisetype",
  /*  204 */ "ifexists",
  /*  205 */ "fullname",
  /*  206 */ "selectnowith",
  /*  207 */ "oneselect",
  /*  208 */ "wqlist",
  /*  209 */ "multiselect_op",
  /*  210 */ "distinct",
  /*  211 */ "selcollist",
  /*  212 */ "from",
  /*  213 */ "where_opt",
  /*  214 */ "groupby_opt",
  /*  215 */ "having_opt",
  /*  216 */ "orderby_opt",
  /*  217 */ "limit_opt",
  /*  218 */ "window_clause",
  /*  219 */ "values",
  /*  220 */ "nexprlist",
  /*  221 */ "sclp",
  /*  222 */ "as",
  /*  223 */ "seltablist",
  /*  224 */ "stl_prefix",
  /*  225 */ "joinop",
  /*  226 */ "indexed_opt",
  /*  227 */ "on_opt",
  /*  228 */ "using_opt",
  /*  229 */ "exprlist",
  /*  230 */ "xfullname",
  /*  231 */ "idlist",
  /*  232 */ "with",
  /*  233 */ "setlist",
  /*  234 */ "insert_cmd",
  /*  235 */ "idlist_opt",
  /*  236 */ "upsert",
  /*  237 */ "over_clause",
  /*  238 */ "likeop",
  /*  239 */ "between_op",
  /*  240 */ "in_op",
  /*  241 */ "paren_exprlist",
  /*  242 */ "case_operand",
  /*  243 */ "case_exprlist",
  /*  244 */ "case_else",
  /*  245 */ "uniqueflag",
  /*  246 */ "collate",
  /*  247 */ "vinto",
  /*  248 */ "nmnum",





















  /*  249 */ "trigger_decl",
  /*  250 */ "trigger_cmd_list",
  /*  251 */ "trigger_time",
  /*  252 */ "trigger_event",
  /*  253 */ "foreach_clause",
  /*  254 */ "when_clause",
  /*  255 */ "trigger_cmd",
  /*  256 */ "trnm",
  /*  257 */ "tridxby",
  /*  258 */ "database_kw_opt",
  /*  259 */ "key_opt",
  /*  260 */ "add_column_fullname",
  /*  261 */ "kwcolumn_opt",
  /*  262 */ "create_vtab",
  /*  263 */ "vtabarglist",
  /*  264 */ "vtabarg",
  /*  265 */ "vtabargtoken",
  /*  266 */ "lp",

  /*  267 */ "anylist",
  /*  268 */ "windowdefn_list",
  /*  269 */ "windowdefn",
  /*  270 */ "window",
  /*  271 */ "frame_opt",
  /*  272 */ "part_opt",
  /*  273 */ "filter_opt",
  /*  274 */ "range_or_rows",
  /*  275 */ "frame_bound",
  /*  276 */ "frame_bound_s",
  /*  277 */ "frame_bound_e",


};
#endif /* defined(YYCOVERAGE) || !defined(NDEBUG) */

#ifndef NDEBUG
/* For tracing reduce actions, the names of all rules are required.
*/
static const char *const yyRuleName[] = {
................................................................................
 /* 283 */ "lp ::= LP",
 /* 284 */ "with ::= WITH wqlist",
 /* 285 */ "with ::= WITH RECURSIVE wqlist",
 /* 286 */ "wqlist ::= nm eidlist_opt AS LP select RP",
 /* 287 */ "wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP",
 /* 288 */ "windowdefn_list ::= windowdefn",
 /* 289 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn",
 /* 290 */ "windowdefn ::= nm AS window",
 /* 291 */ "window ::= LP part_opt orderby_opt frame_opt RP",
 /* 292 */ "part_opt ::= PARTITION BY nexprlist",
 /* 293 */ "part_opt ::=",



 /* 294 */ "frame_opt ::=",
 /* 295 */ "frame_opt ::= range_or_rows frame_bound_s",
 /* 296 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e",
 /* 297 */ "range_or_rows ::= RANGE",
 /* 298 */ "range_or_rows ::= ROWS",
 /* 299 */ "frame_bound_s ::= frame_bound",
 /* 300 */ "frame_bound_s ::= UNBOUNDED PRECEDING",
 /* 301 */ "frame_bound_e ::= frame_bound",
 /* 302 */ "frame_bound_e ::= UNBOUNDED FOLLOWING",
 /* 303 */ "frame_bound ::= expr PRECEDING",
 /* 304 */ "frame_bound ::= CURRENT ROW",
 /* 305 */ "frame_bound ::= expr FOLLOWING",





 /* 306 */ "window_clause ::= WINDOW windowdefn_list",
 /* 307 */ "over_clause ::= filter_opt OVER window",
 /* 308 */ "over_clause ::= filter_opt OVER nm",
 /* 309 */ "filter_opt ::=",
 /* 310 */ "filter_opt ::= FILTER LP WHERE expr RP",
 /* 311 */ "input ::= cmdlist",
 /* 312 */ "cmdlist ::= cmdlist ecmd",
 /* 313 */ "cmdlist ::= ecmd",
 /* 314 */ "ecmd ::= SEMI",
 /* 315 */ "ecmd ::= cmdx SEMI",
 /* 316 */ "ecmd ::= explain cmdx",
 /* 317 */ "trans_opt ::=",
 /* 318 */ "trans_opt ::= TRANSACTION",
 /* 319 */ "trans_opt ::= TRANSACTION nm",
 /* 320 */ "savepoint_opt ::= SAVEPOINT",
 /* 321 */ "savepoint_opt ::=",
 /* 322 */ "cmd ::= create_table create_table_args",
 /* 323 */ "columnlist ::= columnlist COMMA columnname carglist",
 /* 324 */ "columnlist ::= columnname carglist",
 /* 325 */ "nm ::= ID|INDEXED",
 /* 326 */ "nm ::= STRING",
 /* 327 */ "nm ::= JOIN_KW",
 /* 328 */ "typetoken ::= typename",
 /* 329 */ "typename ::= ID|STRING",
 /* 330 */ "signed ::= plus_num",
 /* 331 */ "signed ::= minus_num",
 /* 332 */ "carglist ::= carglist ccons",
 /* 333 */ "carglist ::=",
 /* 334 */ "ccons ::= NULL onconf",
 /* 335 */ "conslist_opt ::= COMMA conslist",
 /* 336 */ "conslist ::= conslist tconscomma tcons",
 /* 337 */ "conslist ::= tcons",
 /* 338 */ "tconscomma ::=",
 /* 339 */ "defer_subclause_opt ::= defer_subclause",
 /* 340 */ "resolvetype ::= raisetype",
 /* 341 */ "selectnowith ::= oneselect",
 /* 342 */ "oneselect ::= values",
 /* 343 */ "sclp ::= selcollist COMMA",
 /* 344 */ "as ::= ID|STRING",
 /* 345 */ "expr ::= term",
 /* 346 */ "likeop ::= LIKE_KW|MATCH",
 /* 347 */ "exprlist ::= nexprlist",
 /* 348 */ "nmnum ::= plus_num",
 /* 349 */ "nmnum ::= nm",
 /* 350 */ "nmnum ::= ON",
 /* 351 */ "nmnum ::= DELETE",
 /* 352 */ "nmnum ::= DEFAULT",
 /* 353 */ "plus_num ::= INTEGER|FLOAT",
 /* 354 */ "foreach_clause ::=",
 /* 355 */ "foreach_clause ::= FOR EACH ROW",
 /* 356 */ "trnm ::= nm",
 /* 357 */ "tridxby ::=",
 /* 358 */ "database_kw_opt ::= DATABASE",
 /* 359 */ "database_kw_opt ::=",
 /* 360 */ "kwcolumn_opt ::=",
 /* 361 */ "kwcolumn_opt ::= COLUMNKW",
 /* 362 */ "vtabarglist ::= vtabarg",
 /* 363 */ "vtabarglist ::= vtabarglist COMMA vtabarg",
 /* 364 */ "vtabarg ::= vtabarg vtabargtoken",
 /* 365 */ "anylist ::=",
 /* 366 */ "anylist ::= anylist LP anylist RP",
 /* 367 */ "anylist ::= anylist ANY",
 /* 368 */ "with ::=",
};
#endif /* NDEBUG */


#if YYSTACKDEPTH<=0
/*
** Try to increase the size of the parser stack.  Return the number
................................................................................
    ** being destroyed before it is finished parsing.
    **
    ** Note: during a reduce, the only symbols destroyed are those
    ** which appear on the RHS of the rule, but which are *not* used
    ** inside the C code.
    */
/********* Begin destructor definitions ***************************************/
    case 174: /* select */
    case 206: /* selectnowith */
    case 207: /* oneselect */
    case 219: /* values */
{
sqlite3SelectDelete(pParse->db, (yypminor->yy423));
}
      break;
    case 184: /* term */
    case 185: /* expr */
    case 213: /* where_opt */
    case 215: /* having_opt */
    case 227: /* on_opt */
    case 242: /* case_operand */
    case 244: /* case_else */
    case 247: /* vinto */
    case 254: /* when_clause */
    case 259: /* key_opt */
    case 273: /* filter_opt */
{
sqlite3ExprDelete(pParse->db, (yypminor->yy490));
}
      break;
    case 189: /* eidlist_opt */
    case 198: /* sortlist */
    case 199: /* eidlist */
    case 211: /* selcollist */
    case 214: /* groupby_opt */
    case 216: /* orderby_opt */
    case 220: /* nexprlist */
    case 221: /* sclp */
    case 229: /* exprlist */
    case 233: /* setlist */
    case 241: /* paren_exprlist */
    case 243: /* case_exprlist */
    case 272: /* part_opt */
{
sqlite3ExprListDelete(pParse->db, (yypminor->yy42));
}
      break;
    case 205: /* fullname */
    case 212: /* from */
    case 223: /* seltablist */
    case 224: /* stl_prefix */
    case 230: /* xfullname */
{
sqlite3SrcListDelete(pParse->db, (yypminor->yy167));
}
      break;
    case 208: /* wqlist */
{
sqlite3WithDelete(pParse->db, (yypminor->yy499));
}
      break;
    case 218: /* window_clause */
    case 268: /* windowdefn_list */
{
sqlite3WindowListDelete(pParse->db, (yypminor->yy147));
}
      break;
    case 228: /* using_opt */
    case 231: /* idlist */
    case 235: /* idlist_opt */
{
sqlite3IdListDelete(pParse->db, (yypminor->yy336));
}
      break;
    case 237: /* over_clause */
    case 269: /* windowdefn */
    case 270: /* window */
    case 271: /* frame_opt */
{
sqlite3WindowDelete(pParse->db, (yypminor->yy147));
}
      break;
    case 250: /* trigger_cmd_list */
    case 255: /* trigger_cmd */
{
sqlite3DeleteTriggerStep(pParse->db, (yypminor->yy119));
}
      break;
    case 252: /* trigger_event */
{
sqlite3IdListDelete(pParse->db, (yypminor->yy350).b);
}
      break;
    case 275: /* frame_bound */
    case 276: /* frame_bound_s */
    case 277: /* frame_bound_e */
{
sqlite3ExprDelete(pParse->db, (yypminor->yy317).pExpr);
}
      break;
/********* End destructor definitions *****************************************/
    default:  break;   /* If no destructor action specified: do nothing */
  }
}

................................................................................
  yytos->minor.yy0 = yyMinor;
  yyTraceShift(yypParser, yyNewState, "Shift");
}

/* For rule J, yyRuleInfoLhs[J] contains the symbol on the left-hand side
** of that rule */
static const YYCODETYPE yyRuleInfoLhs[] = {
   159,  /* (0) explain ::= EXPLAIN */
   159,  /* (1) explain ::= EXPLAIN QUERY PLAN */
   158,  /* (2) cmdx ::= cmd */
   160,  /* (3) cmd ::= BEGIN transtype trans_opt */
   161,  /* (4) transtype ::= */
   161,  /* (5) transtype ::= DEFERRED */
   161,  /* (6) transtype ::= IMMEDIATE */
   161,  /* (7) transtype ::= EXCLUSIVE */
   160,  /* (8) cmd ::= COMMIT|END trans_opt */
   160,  /* (9) cmd ::= ROLLBACK trans_opt */
   160,  /* (10) cmd ::= SAVEPOINT nm */
   160,  /* (11) cmd ::= RELEASE savepoint_opt nm */
   160,  /* (12) cmd ::= ROLLBACK trans_opt TO savepoint_opt nm */
   165,  /* (13) create_table ::= createkw temp TABLE ifnotexists nm dbnm */
   167,  /* (14) createkw ::= CREATE */
   169,  /* (15) ifnotexists ::= */
   169,  /* (16) ifnotexists ::= IF NOT EXISTS */
   168,  /* (17) temp ::= TEMP */
   168,  /* (18) temp ::= */
   166,  /* (19) create_table_args ::= LP columnlist conslist_opt RP table_options */
   166,  /* (20) create_table_args ::= AS select */
   173,  /* (21) table_options ::= */
   173,  /* (22) table_options ::= WITHOUT nm */
   175,  /* (23) columnname ::= nm typetoken */
   177,  /* (24) typetoken ::= */
   177,  /* (25) typetoken ::= typename LP signed RP */
   177,  /* (26) typetoken ::= typename LP signed COMMA signed RP */
   178,  /* (27) typename ::= typename ID|STRING */
   182,  /* (28) scanpt ::= */
   183,  /* (29) ccons ::= CONSTRAINT nm */
   183,  /* (30) ccons ::= DEFAULT scanpt term scanpt */
   183,  /* (31) ccons ::= DEFAULT LP expr RP */
   183,  /* (32) ccons ::= DEFAULT PLUS term scanpt */
   183,  /* (33) ccons ::= DEFAULT MINUS term scanpt */
   183,  /* (34) ccons ::= DEFAULT scanpt ID|INDEXED */
   183,  /* (35) ccons ::= NOT NULL onconf */
   183,  /* (36) ccons ::= PRIMARY KEY sortorder onconf autoinc */
   183,  /* (37) ccons ::= UNIQUE onconf */
   183,  /* (38) ccons ::= CHECK LP expr RP */
   183,  /* (39) ccons ::= REFERENCES nm eidlist_opt refargs */
   183,  /* (40) ccons ::= defer_subclause */
   183,  /* (41) ccons ::= COLLATE ID|STRING */
   188,  /* (42) autoinc ::= */
   188,  /* (43) autoinc ::= AUTOINCR */
   190,  /* (44) refargs ::= */
   190,  /* (45) refargs ::= refargs refarg */
   192,  /* (46) refarg ::= MATCH nm */
   192,  /* (47) refarg ::= ON INSERT refact */
   192,  /* (48) refarg ::= ON DELETE refact */
   192,  /* (49) refarg ::= ON UPDATE refact */
   193,  /* (50) refact ::= SET NULL */
   193,  /* (51) refact ::= SET DEFAULT */
   193,  /* (52) refact ::= CASCADE */
   193,  /* (53) refact ::= RESTRICT */
   193,  /* (54) refact ::= NO ACTION */
   191,  /* (55) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */
   191,  /* (56) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */
   194,  /* (57) init_deferred_pred_opt ::= */
   194,  /* (58) init_deferred_pred_opt ::= INITIALLY DEFERRED */
   194,  /* (59) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */
   172,  /* (60) conslist_opt ::= */
   196,  /* (61) tconscomma ::= COMMA */
   197,  /* (62) tcons ::= CONSTRAINT nm */
   197,  /* (63) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */
   197,  /* (64) tcons ::= UNIQUE LP sortlist RP onconf */
   197,  /* (65) tcons ::= CHECK LP expr RP onconf */
   197,  /* (66) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */
   200,  /* (67) defer_subclause_opt ::= */
   186,  /* (68) onconf ::= */
   186,  /* (69) onconf ::= ON CONFLICT resolvetype */
   201,  /* (70) orconf ::= */
   201,  /* (71) orconf ::= OR resolvetype */
   202,  /* (72) resolvetype ::= IGNORE */
   202,  /* (73) resolvetype ::= REPLACE */
   160,  /* (74) cmd ::= DROP TABLE ifexists fullname */
   204,  /* (75) ifexists ::= IF EXISTS */
   204,  /* (76) ifexists ::= */
   160,  /* (77) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */
   160,  /* (78) cmd ::= DROP VIEW ifexists fullname */
   160,  /* (79) cmd ::= select */
   174,  /* (80) select ::= WITH wqlist selectnowith */
   174,  /* (81) select ::= WITH RECURSIVE wqlist selectnowith */
   174,  /* (82) select ::= selectnowith */
   206,  /* (83) selectnowith ::= selectnowith multiselect_op oneselect */
   209,  /* (84) multiselect_op ::= UNION */
   209,  /* (85) multiselect_op ::= UNION ALL */
   209,  /* (86) multiselect_op ::= EXCEPT|INTERSECT */
   207,  /* (87) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */
   207,  /* (88) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */
   219,  /* (89) values ::= VALUES LP nexprlist RP */
   219,  /* (90) values ::= values COMMA LP nexprlist RP */
   210,  /* (91) distinct ::= DISTINCT */
   210,  /* (92) distinct ::= ALL */
   210,  /* (93) distinct ::= */
   221,  /* (94) sclp ::= */
   211,  /* (95) selcollist ::= sclp scanpt expr scanpt as */
   211,  /* (96) selcollist ::= sclp scanpt STAR */
   211,  /* (97) selcollist ::= sclp scanpt nm DOT STAR */
   222,  /* (98) as ::= AS nm */
   222,  /* (99) as ::= */
   212,  /* (100) from ::= */
   212,  /* (101) from ::= FROM seltablist */
   224,  /* (102) stl_prefix ::= seltablist joinop */
   224,  /* (103) stl_prefix ::= */
   223,  /* (104) seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */
   223,  /* (105) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */
   223,  /* (106) seltablist ::= stl_prefix LP select RP as on_opt using_opt */
   223,  /* (107) seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */
   170,  /* (108) dbnm ::= */
   170,  /* (109) dbnm ::= DOT nm */
   205,  /* (110) fullname ::= nm */
   205,  /* (111) fullname ::= nm DOT nm */
   230,  /* (112) xfullname ::= nm */
   230,  /* (113) xfullname ::= nm DOT nm */
   230,  /* (114) xfullname ::= nm DOT nm AS nm */
   230,  /* (115) xfullname ::= nm AS nm */
   225,  /* (116) joinop ::= COMMA|JOIN */
   225,  /* (117) joinop ::= JOIN_KW JOIN */
   225,  /* (118) joinop ::= JOIN_KW nm JOIN */
   225,  /* (119) joinop ::= JOIN_KW nm nm JOIN */
   227,  /* (120) on_opt ::= ON expr */
   227,  /* (121) on_opt ::= */
   226,  /* (122) indexed_opt ::= */
   226,  /* (123) indexed_opt ::= INDEXED BY nm */
   226,  /* (124) indexed_opt ::= NOT INDEXED */
   228,  /* (125) using_opt ::= USING LP idlist RP */
   228,  /* (126) using_opt ::= */
   216,  /* (127) orderby_opt ::= */
   216,  /* (128) orderby_opt ::= ORDER BY sortlist */
   198,  /* (129) sortlist ::= sortlist COMMA expr sortorder */
   198,  /* (130) sortlist ::= expr sortorder */
   187,  /* (131) sortorder ::= ASC */
   187,  /* (132) sortorder ::= DESC */
   187,  /* (133) sortorder ::= */
   214,  /* (134) groupby_opt ::= */
   214,  /* (135) groupby_opt ::= GROUP BY nexprlist */
   215,  /* (136) having_opt ::= */
   215,  /* (137) having_opt ::= HAVING expr */
   217,  /* (138) limit_opt ::= */
   217,  /* (139) limit_opt ::= LIMIT expr */
   217,  /* (140) limit_opt ::= LIMIT expr OFFSET expr */
   217,  /* (141) limit_opt ::= LIMIT expr COMMA expr */
   160,  /* (142) cmd ::= with DELETE FROM xfullname indexed_opt where_opt */
   213,  /* (143) where_opt ::= */
   213,  /* (144) where_opt ::= WHERE expr */
   160,  /* (145) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt */
   233,  /* (146) setlist ::= setlist COMMA nm EQ expr */
   233,  /* (147) setlist ::= setlist COMMA LP idlist RP EQ expr */
   233,  /* (148) setlist ::= nm EQ expr */
   233,  /* (149) setlist ::= LP idlist RP EQ expr */
   160,  /* (150) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */
   160,  /* (151) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */
   236,  /* (152) upsert ::= */
   236,  /* (153) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */
   236,  /* (154) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */
   236,  /* (155) upsert ::= ON CONFLICT DO NOTHING */
   234,  /* (156) insert_cmd ::= INSERT orconf */
   234,  /* (157) insert_cmd ::= REPLACE */
   235,  /* (158) idlist_opt ::= */
   235,  /* (159) idlist_opt ::= LP idlist RP */
   231,  /* (160) idlist ::= idlist COMMA nm */
   231,  /* (161) idlist ::= nm */
   185,  /* (162) expr ::= LP expr RP */
   185,  /* (163) expr ::= ID|INDEXED */
   185,  /* (164) expr ::= JOIN_KW */
   185,  /* (165) expr ::= nm DOT nm */
   185,  /* (166) expr ::= nm DOT nm DOT nm */
   184,  /* (167) term ::= NULL|FLOAT|BLOB */
   184,  /* (168) term ::= STRING */
   184,  /* (169) term ::= INTEGER */
   185,  /* (170) expr ::= VARIABLE */
   185,  /* (171) expr ::= expr COLLATE ID|STRING */
   185,  /* (172) expr ::= CAST LP expr AS typetoken RP */
   185,  /* (173) expr ::= ID|INDEXED LP distinct exprlist RP */
   185,  /* (174) expr ::= ID|INDEXED LP STAR RP */
   185,  /* (175) expr ::= ID|INDEXED LP distinct exprlist RP over_clause */
   185,  /* (176) expr ::= ID|INDEXED LP STAR RP over_clause */
   184,  /* (177) term ::= CTIME_KW */
   185,  /* (178) expr ::= LP nexprlist COMMA expr RP */
   185,  /* (179) expr ::= expr AND expr */
   185,  /* (180) expr ::= expr OR expr */
   185,  /* (181) expr ::= expr LT|GT|GE|LE expr */
   185,  /* (182) expr ::= expr EQ|NE expr */
   185,  /* (183) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */
   185,  /* (184) expr ::= expr PLUS|MINUS expr */
   185,  /* (185) expr ::= expr STAR|SLASH|REM expr */
   185,  /* (186) expr ::= expr CONCAT expr */
   238,  /* (187) likeop ::= NOT LIKE_KW|MATCH */
   185,  /* (188) expr ::= expr likeop expr */
   185,  /* (189) expr ::= expr likeop expr ESCAPE expr */
   185,  /* (190) expr ::= expr ISNULL|NOTNULL */
   185,  /* (191) expr ::= expr NOT NULL */
   185,  /* (192) expr ::= expr IS expr */
   185,  /* (193) expr ::= expr IS NOT expr */
   185,  /* (194) expr ::= NOT expr */
   185,  /* (195) expr ::= BITNOT expr */
   185,  /* (196) expr ::= PLUS|MINUS expr */
   239,  /* (197) between_op ::= BETWEEN */
   239,  /* (198) between_op ::= NOT BETWEEN */
   185,  /* (199) expr ::= expr between_op expr AND expr */
   240,  /* (200) in_op ::= IN */
   240,  /* (201) in_op ::= NOT IN */
   185,  /* (202) expr ::= expr in_op LP exprlist RP */
   185,  /* (203) expr ::= LP select RP */
   185,  /* (204) expr ::= expr in_op LP select RP */
   185,  /* (205) expr ::= expr in_op nm dbnm paren_exprlist */
   185,  /* (206) expr ::= EXISTS LP select RP */
   185,  /* (207) expr ::= CASE case_operand case_exprlist case_else END */
   243,  /* (208) case_exprlist ::= case_exprlist WHEN expr THEN expr */
   243,  /* (209) case_exprlist ::= WHEN expr THEN expr */
   244,  /* (210) case_else ::= ELSE expr */
   244,  /* (211) case_else ::= */
   242,  /* (212) case_operand ::= expr */
   242,  /* (213) case_operand ::= */
   229,  /* (214) exprlist ::= */
   220,  /* (215) nexprlist ::= nexprlist COMMA expr */
   220,  /* (216) nexprlist ::= expr */
   241,  /* (217) paren_exprlist ::= */
   241,  /* (218) paren_exprlist ::= LP exprlist RP */
   160,  /* (219) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */
   245,  /* (220) uniqueflag ::= UNIQUE */
   245,  /* (221) uniqueflag ::= */
   189,  /* (222) eidlist_opt ::= */
   189,  /* (223) eidlist_opt ::= LP eidlist RP */
   199,  /* (224) eidlist ::= eidlist COMMA nm collate sortorder */
   199,  /* (225) eidlist ::= nm collate sortorder */
   246,  /* (226) collate ::= */
   246,  /* (227) collate ::= COLLATE ID|STRING */
   160,  /* (228) cmd ::= DROP INDEX ifexists fullname */
   160,  /* (229) cmd ::= VACUUM vinto */
   160,  /* (230) cmd ::= VACUUM nm vinto */
   247,  /* (231) vinto ::= INTO expr */
   247,  /* (232) vinto ::= */
   160,  /* (233) cmd ::= PRAGMA nm dbnm */
   160,  /* (234) cmd ::= PRAGMA nm dbnm EQ nmnum */
   160,  /* (235) cmd ::= PRAGMA nm dbnm LP nmnum RP */
   160,  /* (236) cmd ::= PRAGMA nm dbnm EQ minus_num */
   160,  /* (237) cmd ::= PRAGMA nm dbnm LP minus_num RP */
   180,  /* (238) plus_num ::= PLUS INTEGER|FLOAT */
   181,  /* (239) minus_num ::= MINUS INTEGER|FLOAT */
   160,  /* (240) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */
   249,  /* (241) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */
   251,  /* (242) trigger_time ::= BEFORE|AFTER */
   251,  /* (243) trigger_time ::= INSTEAD OF */
   251,  /* (244) trigger_time ::= */
   252,  /* (245) trigger_event ::= DELETE|INSERT */
   252,  /* (246) trigger_event ::= UPDATE */
   252,  /* (247) trigger_event ::= UPDATE OF idlist */
   254,  /* (248) when_clause ::= */
   254,  /* (249) when_clause ::= WHEN expr */
   250,  /* (250) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */
   250,  /* (251) trigger_cmd_list ::= trigger_cmd SEMI */
   256,  /* (252) trnm ::= nm DOT nm */
   257,  /* (253) tridxby ::= INDEXED BY nm */
   257,  /* (254) tridxby ::= NOT INDEXED */
   255,  /* (255) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt */
   255,  /* (256) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */
   255,  /* (257) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */
   255,  /* (258) trigger_cmd ::= scanpt select scanpt */
   185,  /* (259) expr ::= RAISE LP IGNORE RP */
   185,  /* (260) expr ::= RAISE LP raisetype COMMA nm RP */
   203,  /* (261) raisetype ::= ROLLBACK */
   203,  /* (262) raisetype ::= ABORT */
   203,  /* (263) raisetype ::= FAIL */
   160,  /* (264) cmd ::= DROP TRIGGER ifexists fullname */
   160,  /* (265) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */
   160,  /* (266) cmd ::= DETACH database_kw_opt expr */
   259,  /* (267) key_opt ::= */
   259,  /* (268) key_opt ::= KEY expr */
   160,  /* (269) cmd ::= REINDEX */
   160,  /* (270) cmd ::= REINDEX nm dbnm */
   160,  /* (271) cmd ::= ANALYZE */
   160,  /* (272) cmd ::= ANALYZE nm dbnm */
   160,  /* (273) cmd ::= ALTER TABLE fullname RENAME TO nm */
   160,  /* (274) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */
   260,  /* (275) add_column_fullname ::= fullname */
   160,  /* (276) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */
   160,  /* (277) cmd ::= create_vtab */
   160,  /* (278) cmd ::= create_vtab LP vtabarglist RP */
   262,  /* (279) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */
   264,  /* (280) vtabarg ::= */
   265,  /* (281) vtabargtoken ::= ANY */
   265,  /* (282) vtabargtoken ::= lp anylist RP */
   266,  /* (283) lp ::= LP */
   232,  /* (284) with ::= WITH wqlist */
   232,  /* (285) with ::= WITH RECURSIVE wqlist */
   208,  /* (286) wqlist ::= nm eidlist_opt AS LP select RP */
   208,  /* (287) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */
   268,  /* (288) windowdefn_list ::= windowdefn */
   268,  /* (289) windowdefn_list ::= windowdefn_list COMMA windowdefn */
   269,  /* (290) windowdefn ::= nm AS window */
   270,  /* (291) window ::= LP part_opt orderby_opt frame_opt RP */
   272,  /* (292) part_opt ::= PARTITION BY nexprlist */
   272,  /* (293) part_opt ::= */
   271,  /* (294) frame_opt ::= */
   271,  /* (295) frame_opt ::= range_or_rows frame_bound_s */
   271,  /* (296) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e */
   274,  /* (297) range_or_rows ::= RANGE */
   274,  /* (298) range_or_rows ::= ROWS */
   276,  /* (299) frame_bound_s ::= frame_bound */
   276,  /* (300) frame_bound_s ::= UNBOUNDED PRECEDING */
   277,  /* (301) frame_bound_e ::= frame_bound */
   277,  /* (302) frame_bound_e ::= UNBOUNDED FOLLOWING */
   275,  /* (303) frame_bound ::= expr PRECEDING */
   275,  /* (304) frame_bound ::= CURRENT ROW */
   275,  /* (305) frame_bound ::= expr FOLLOWING */
   218,  /* (306) window_clause ::= WINDOW windowdefn_list */
   237,  /* (307) over_clause ::= filter_opt OVER window */
   237,  /* (308) over_clause ::= filter_opt OVER nm */
   273,  /* (309) filter_opt ::= */
   273,  /* (310) filter_opt ::= FILTER LP WHERE expr RP */
   155,  /* (311) input ::= cmdlist */
   156,  /* (312) cmdlist ::= cmdlist ecmd */
   156,  /* (313) cmdlist ::= ecmd */
   157,  /* (314) ecmd ::= SEMI */
   157,  /* (315) ecmd ::= cmdx SEMI */
   157,  /* (316) ecmd ::= explain cmdx */
   162,  /* (317) trans_opt ::= */
   162,  /* (318) trans_opt ::= TRANSACTION */
   162,  /* (319) trans_opt ::= TRANSACTION nm */
   164,  /* (320) savepoint_opt ::= SAVEPOINT */
   164,  /* (321) savepoint_opt ::= */
   160,  /* (322) cmd ::= create_table create_table_args */
   171,  /* (323) columnlist ::= columnlist COMMA columnname carglist */
   171,  /* (324) columnlist ::= columnname carglist */
   163,  /* (325) nm ::= ID|INDEXED */
   163,  /* (326) nm ::= STRING */
   163,  /* (327) nm ::= JOIN_KW */
   177,  /* (328) typetoken ::= typename */
   178,  /* (329) typename ::= ID|STRING */
   179,  /* (330) signed ::= plus_num */
   179,  /* (331) signed ::= minus_num */
   176,  /* (332) carglist ::= carglist ccons */
   176,  /* (333) carglist ::= */
   183,  /* (334) ccons ::= NULL onconf */
   172,  /* (335) conslist_opt ::= COMMA conslist */
   195,  /* (336) conslist ::= conslist tconscomma tcons */
   195,  /* (337) conslist ::= tcons */
   196,  /* (338) tconscomma ::= */
   200,  /* (339) defer_subclause_opt ::= defer_subclause */
   202,  /* (340) resolvetype ::= raisetype */
   206,  /* (341) selectnowith ::= oneselect */
   207,  /* (342) oneselect ::= values */
   221,  /* (343) sclp ::= selcollist COMMA */
   222,  /* (344) as ::= ID|STRING */
   185,  /* (345) expr ::= term */
   238,  /* (346) likeop ::= LIKE_KW|MATCH */
   229,  /* (347) exprlist ::= nexprlist */
   248,  /* (348) nmnum ::= plus_num */
   248,  /* (349) nmnum ::= nm */
   248,  /* (350) nmnum ::= ON */
   248,  /* (351) nmnum ::= DELETE */
   248,  /* (352) nmnum ::= DEFAULT */
   180,  /* (353) plus_num ::= INTEGER|FLOAT */
   253,  /* (354) foreach_clause ::= */
   253,  /* (355) foreach_clause ::= FOR EACH ROW */
   256,  /* (356) trnm ::= nm */
   257,  /* (357) tridxby ::= */
   258,  /* (358) database_kw_opt ::= DATABASE */
   258,  /* (359) database_kw_opt ::= */
   261,  /* (360) kwcolumn_opt ::= */
   261,  /* (361) kwcolumn_opt ::= COLUMNKW */
   263,  /* (362) vtabarglist ::= vtabarg */
   263,  /* (363) vtabarglist ::= vtabarglist COMMA vtabarg */
   264,  /* (364) vtabarg ::= vtabarg vtabargtoken */
   267,  /* (365) anylist ::= */
   267,  /* (366) anylist ::= anylist LP anylist RP */
   267,  /* (367) anylist ::= anylist ANY */
   232,  /* (368) with ::= */






};

/* For rule J, yyRuleInfoNRhs[J] contains the negative of the number
** of symbols on the right-hand side of that rule. */
static const signed char yyRuleInfoNRhs[] = {
   -1,  /* (0) explain ::= EXPLAIN */
   -3,  /* (1) explain ::= EXPLAIN QUERY PLAN */
................................................................................
   -1,  /* (283) lp ::= LP */
   -2,  /* (284) with ::= WITH wqlist */
   -3,  /* (285) with ::= WITH RECURSIVE wqlist */
   -6,  /* (286) wqlist ::= nm eidlist_opt AS LP select RP */
   -8,  /* (287) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */
   -1,  /* (288) windowdefn_list ::= windowdefn */
   -3,  /* (289) windowdefn_list ::= windowdefn_list COMMA windowdefn */
   -3,  /* (290) windowdefn ::= nm AS window */
   -5,  /* (291) window ::= LP part_opt orderby_opt frame_opt RP */
   -3,  /* (292) part_opt ::= PARTITION BY nexprlist */
    0,  /* (293) part_opt ::= */



    0,  /* (294) frame_opt ::= */
   -2,  /* (295) frame_opt ::= range_or_rows frame_bound_s */
   -5,  /* (296) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e */
   -1,  /* (297) range_or_rows ::= RANGE */
   -1,  /* (298) range_or_rows ::= ROWS */
   -1,  /* (299) frame_bound_s ::= frame_bound */
   -2,  /* (300) frame_bound_s ::= UNBOUNDED PRECEDING */
   -1,  /* (301) frame_bound_e ::= frame_bound */
   -2,  /* (302) frame_bound_e ::= UNBOUNDED FOLLOWING */
   -2,  /* (303) frame_bound ::= expr PRECEDING */
   -2,  /* (304) frame_bound ::= CURRENT ROW */
   -2,  /* (305) frame_bound ::= expr FOLLOWING */





   -2,  /* (306) window_clause ::= WINDOW windowdefn_list */
   -3,  /* (307) over_clause ::= filter_opt OVER window */
   -3,  /* (308) over_clause ::= filter_opt OVER nm */
    0,  /* (309) filter_opt ::= */
   -5,  /* (310) filter_opt ::= FILTER LP WHERE expr RP */
   -1,  /* (311) input ::= cmdlist */
   -2,  /* (312) cmdlist ::= cmdlist ecmd */
   -1,  /* (313) cmdlist ::= ecmd */
   -1,  /* (314) ecmd ::= SEMI */
   -2,  /* (315) ecmd ::= cmdx SEMI */
   -2,  /* (316) ecmd ::= explain cmdx */
    0,  /* (317) trans_opt ::= */
   -1,  /* (318) trans_opt ::= TRANSACTION */
   -2,  /* (319) trans_opt ::= TRANSACTION nm */
   -1,  /* (320) savepoint_opt ::= SAVEPOINT */
    0,  /* (321) savepoint_opt ::= */
   -2,  /* (322) cmd ::= create_table create_table_args */
   -4,  /* (323) columnlist ::= columnlist COMMA columnname carglist */
   -2,  /* (324) columnlist ::= columnname carglist */
   -1,  /* (325) nm ::= ID|INDEXED */
   -1,  /* (326) nm ::= STRING */
   -1,  /* (327) nm ::= JOIN_KW */
   -1,  /* (328) typetoken ::= typename */
   -1,  /* (329) typename ::= ID|STRING */
   -1,  /* (330) signed ::= plus_num */
   -1,  /* (331) signed ::= minus_num */
   -2,  /* (332) carglist ::= carglist ccons */
    0,  /* (333) carglist ::= */
   -2,  /* (334) ccons ::= NULL onconf */
   -2,  /* (335) conslist_opt ::= COMMA conslist */
   -3,  /* (336) conslist ::= conslist tconscomma tcons */
   -1,  /* (337) conslist ::= tcons */
    0,  /* (338) tconscomma ::= */
   -1,  /* (339) defer_subclause_opt ::= defer_subclause */
   -1,  /* (340) resolvetype ::= raisetype */
   -1,  /* (341) selectnowith ::= oneselect */
   -1,  /* (342) oneselect ::= values */
   -2,  /* (343) sclp ::= selcollist COMMA */
   -1,  /* (344) as ::= ID|STRING */
   -1,  /* (345) expr ::= term */
   -1,  /* (346) likeop ::= LIKE_KW|MATCH */
   -1,  /* (347) exprlist ::= nexprlist */
   -1,  /* (348) nmnum ::= plus_num */
   -1,  /* (349) nmnum ::= nm */
   -1,  /* (350) nmnum ::= ON */
   -1,  /* (351) nmnum ::= DELETE */
   -1,  /* (352) nmnum ::= DEFAULT */
   -1,  /* (353) plus_num ::= INTEGER|FLOAT */
    0,  /* (354) foreach_clause ::= */
   -3,  /* (355) foreach_clause ::= FOR EACH ROW */
   -1,  /* (356) trnm ::= nm */
    0,  /* (357) tridxby ::= */
   -1,  /* (358) database_kw_opt ::= DATABASE */
    0,  /* (359) database_kw_opt ::= */
    0,  /* (360) kwcolumn_opt ::= */
   -1,  /* (361) kwcolumn_opt ::= COLUMNKW */
   -1,  /* (362) vtabarglist ::= vtabarg */
   -3,  /* (363) vtabarglist ::= vtabarglist COMMA vtabarg */
   -2,  /* (364) vtabarg ::= vtabarg vtabargtoken */
    0,  /* (365) anylist ::= */
   -4,  /* (366) anylist ::= anylist LP anylist RP */
   -2,  /* (367) anylist ::= anylist ANY */
    0,  /* (368) with ::= */
};

static void yy_accept(yyParser*);  /* Forward Declaration */

/*
** Perform a reduce action and the shift that must immediately
** follow the reduce.
................................................................................
      case 1: /* explain ::= EXPLAIN QUERY PLAN */
{ pParse->explain = 2; }
        break;
      case 2: /* cmdx ::= cmd */
{ sqlite3FinishCoding(pParse); }
        break;
      case 3: /* cmd ::= BEGIN transtype trans_opt */
{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy96);}
        break;
      case 4: /* transtype ::= */
{yymsp[1].minor.yy96 = TK_DEFERRED;}
        break;
      case 5: /* transtype ::= DEFERRED */
      case 6: /* transtype ::= IMMEDIATE */ yytestcase(yyruleno==6);
      case 7: /* transtype ::= EXCLUSIVE */ yytestcase(yyruleno==7);

{yymsp[0].minor.yy96 = yymsp[0].major; /*A-overwrites-X*/}
        break;
      case 8: /* cmd ::= COMMIT|END trans_opt */
      case 9: /* cmd ::= ROLLBACK trans_opt */ yytestcase(yyruleno==9);
{sqlite3EndTransaction(pParse,yymsp[-1].major);}
        break;
      case 10: /* cmd ::= SAVEPOINT nm */
{
................................................................................
      case 12: /* cmd ::= ROLLBACK trans_opt TO savepoint_opt nm */
{
  sqlite3Savepoint(pParse, SAVEPOINT_ROLLBACK, &yymsp[0].minor.yy0);
}
        break;
      case 13: /* create_table ::= createkw temp TABLE ifnotexists nm dbnm */
{
   sqlite3StartTable(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,yymsp[-4].minor.yy96,0,0,yymsp[-2].minor.yy96);
}
        break;
      case 14: /* createkw ::= CREATE */
{disableLookaside(pParse);}
        break;
      case 15: /* ifnotexists ::= */
      case 18: /* temp ::= */ yytestcase(yyruleno==18);
................................................................................
      case 21: /* table_options ::= */ yytestcase(yyruleno==21);
      case 42: /* autoinc ::= */ yytestcase(yyruleno==42);
      case 57: /* init_deferred_pred_opt ::= */ yytestcase(yyruleno==57);
      case 67: /* defer_subclause_opt ::= */ yytestcase(yyruleno==67);
      case 76: /* ifexists ::= */ yytestcase(yyruleno==76);
      case 93: /* distinct ::= */ yytestcase(yyruleno==93);
      case 226: /* collate ::= */ yytestcase(yyruleno==226);
{yymsp[1].minor.yy96 = 0;}
        break;
      case 16: /* ifnotexists ::= IF NOT EXISTS */
{yymsp[-2].minor.yy96 = 1;}
        break;
      case 17: /* temp ::= TEMP */
      case 43: /* autoinc ::= AUTOINCR */ yytestcase(yyruleno==43);
{yymsp[0].minor.yy96 = 1;}
        break;
      case 19: /* create_table_args ::= LP columnlist conslist_opt RP table_options */
{
  sqlite3EndTable(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,yymsp[0].minor.yy96,0);
}
        break;
      case 20: /* create_table_args ::= AS select */
{
  sqlite3EndTable(pParse,0,0,0,yymsp[0].minor.yy423);
  sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy423);
}
        break;
      case 22: /* table_options ::= WITHOUT nm */
{
  if( yymsp[0].minor.yy0.n==5 && sqlite3_strnicmp(yymsp[0].minor.yy0.z,"rowid",5)==0 ){
    yymsp[-1].minor.yy96 = TF_WithoutRowid | TF_NoVisibleRowid;
  }else{
    yymsp[-1].minor.yy96 = 0;
    sqlite3ErrorMsg(pParse, "unknown table option: %.*s", yymsp[0].minor.yy0.n, yymsp[0].minor.yy0.z);
  }
}
        break;
      case 23: /* columnname ::= nm typetoken */
{sqlite3AddColumn(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0);}
        break;
................................................................................
        break;
      case 27: /* typename ::= typename ID|STRING */
{yymsp[-1].minor.yy0.n=yymsp[0].minor.yy0.n+(int)(yymsp[0].minor.yy0.z-yymsp[-1].minor.yy0.z);}
        break;
      case 28: /* scanpt ::= */
{
  assert( yyLookahead!=YYNOCODE );
  yymsp[1].minor.yy464 = yyLookaheadToken.z;
}
        break;
      case 29: /* ccons ::= CONSTRAINT nm */
      case 62: /* tcons ::= CONSTRAINT nm */ yytestcase(yyruleno==62);
{pParse->constraintName = yymsp[0].minor.yy0;}
        break;
      case 30: /* ccons ::= DEFAULT scanpt term scanpt */
{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy490,yymsp[-2].minor.yy464,yymsp[0].minor.yy464);}
        break;
      case 31: /* ccons ::= DEFAULT LP expr RP */
{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy490,yymsp[-2].minor.yy0.z+1,yymsp[0].minor.yy0.z);}
        break;
      case 32: /* ccons ::= DEFAULT PLUS term scanpt */
{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy490,yymsp[-2].minor.yy0.z,yymsp[0].minor.yy464);}
        break;
      case 33: /* ccons ::= DEFAULT MINUS term scanpt */
{
  Expr *p = sqlite3PExpr(pParse, TK_UMINUS, yymsp[-1].minor.yy490, 0);
  sqlite3AddDefaultValue(pParse,p,yymsp[-2].minor.yy0.z,yymsp[0].minor.yy464);
}
        break;
      case 34: /* ccons ::= DEFAULT scanpt ID|INDEXED */
{
  Expr *p = tokenExpr(pParse, TK_STRING, yymsp[0].minor.yy0);
  if( p ){
    sqlite3ExprIdToTrueFalse(p);
    testcase( p->op==TK_TRUEFALSE && sqlite3ExprTruthValue(p) );
  }
    sqlite3AddDefaultValue(pParse,p,yymsp[0].minor.yy0.z,yymsp[0].minor.yy0.z+yymsp[0].minor.yy0.n);
}
        break;
      case 35: /* ccons ::= NOT NULL onconf */
{sqlite3AddNotNull(pParse, yymsp[0].minor.yy96);}
        break;
      case 36: /* ccons ::= PRIMARY KEY sortorder onconf autoinc */
{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy96,yymsp[0].minor.yy96,yymsp[-2].minor.yy96);}
        break;
      case 37: /* ccons ::= UNIQUE onconf */
{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy96,0,0,0,0,
                                   SQLITE_IDXTYPE_UNIQUE);}
        break;
      case 38: /* ccons ::= CHECK LP expr RP */
{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy490);}
        break;
      case 39: /* ccons ::= REFERENCES nm eidlist_opt refargs */
{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy0,yymsp[-1].minor.yy42,yymsp[0].minor.yy96);}
        break;
      case 40: /* ccons ::= defer_subclause */
{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy96);}
        break;
      case 41: /* ccons ::= COLLATE ID|STRING */
{sqlite3AddCollateType(pParse, &yymsp[0].minor.yy0);}
        break;
      case 44: /* refargs ::= */
{ yymsp[1].minor.yy96 = OE_None*0x0101; /* EV: R-19803-45884 */}
        break;
      case 45: /* refargs ::= refargs refarg */
{ yymsp[-1].minor.yy96 = (yymsp[-1].minor.yy96 & ~yymsp[0].minor.yy367.mask) | yymsp[0].minor.yy367.value; }
        break;
      case 46: /* refarg ::= MATCH nm */
{ yymsp[-1].minor.yy367.value = 0;     yymsp[-1].minor.yy367.mask = 0x000000; }
        break;
      case 47: /* refarg ::= ON INSERT refact */
{ yymsp[-2].minor.yy367.value = 0;     yymsp[-2].minor.yy367.mask = 0x000000; }
        break;
      case 48: /* refarg ::= ON DELETE refact */
{ yymsp[-2].minor.yy367.value = yymsp[0].minor.yy96;     yymsp[-2].minor.yy367.mask = 0x0000ff; }
        break;
      case 49: /* refarg ::= ON UPDATE refact */
{ yymsp[-2].minor.yy367.value = yymsp[0].minor.yy96<<8;  yymsp[-2].minor.yy367.mask = 0x00ff00; }
        break;
      case 50: /* refact ::= SET NULL */
{ yymsp[-1].minor.yy96 = OE_SetNull;  /* EV: R-33326-45252 */}
        break;
      case 51: /* refact ::= SET DEFAULT */
{ yymsp[-1].minor.yy96 = OE_SetDflt;  /* EV: R-33326-45252 */}
        break;
      case 52: /* refact ::= CASCADE */
{ yymsp[0].minor.yy96 = OE_Cascade;  /* EV: R-33326-45252 */}
        break;
      case 53: /* refact ::= RESTRICT */
{ yymsp[0].minor.yy96 = OE_Restrict; /* EV: R-33326-45252 */}
        break;
      case 54: /* refact ::= NO ACTION */
{ yymsp[-1].minor.yy96 = OE_None;     /* EV: R-33326-45252 */}
        break;
      case 55: /* defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */
{yymsp[-2].minor.yy96 = 0;}
        break;
      case 56: /* defer_subclause ::= DEFERRABLE init_deferred_pred_opt */
      case 71: /* orconf ::= OR resolvetype */ yytestcase(yyruleno==71);
      case 156: /* insert_cmd ::= INSERT orconf */ yytestcase(yyruleno==156);
{yymsp[-1].minor.yy96 = yymsp[0].minor.yy96;}
        break;
      case 58: /* init_deferred_pred_opt ::= INITIALLY DEFERRED */
      case 75: /* ifexists ::= IF EXISTS */ yytestcase(yyruleno==75);
      case 198: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==198);
      case 201: /* in_op ::= NOT IN */ yytestcase(yyruleno==201);
      case 227: /* collate ::= COLLATE ID|STRING */ yytestcase(yyruleno==227);
{yymsp[-1].minor.yy96 = 1;}
        break;
      case 59: /* init_deferred_pred_opt ::= INITIALLY IMMEDIATE */
{yymsp[-1].minor.yy96 = 0;}
        break;
      case 61: /* tconscomma ::= COMMA */
{pParse->constraintName.n = 0;}
        break;
      case 63: /* tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */
{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy42,yymsp[0].minor.yy96,yymsp[-2].minor.yy96,0);}
        break;
      case 64: /* tcons ::= UNIQUE LP sortlist RP onconf */
{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy42,yymsp[0].minor.yy96,0,0,0,0,
                                       SQLITE_IDXTYPE_UNIQUE);}
        break;
      case 65: /* tcons ::= CHECK LP expr RP onconf */
{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy490);}
        break;
      case 66: /* tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */
{
    sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy42, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy42, yymsp[-1].minor.yy96);
    sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy96);
}
        break;
      case 68: /* onconf ::= */
      case 70: /* orconf ::= */ yytestcase(yyruleno==70);
{yymsp[1].minor.yy96 = OE_Default;}
        break;
      case 69: /* onconf ::= ON CONFLICT resolvetype */
{yymsp[-2].minor.yy96 = yymsp[0].minor.yy96;}
        break;
      case 72: /* resolvetype ::= IGNORE */
{yymsp[0].minor.yy96 = OE_Ignore;}
        break;
      case 73: /* resolvetype ::= REPLACE */
      case 157: /* insert_cmd ::= REPLACE */ yytestcase(yyruleno==157);
{yymsp[0].minor.yy96 = OE_Replace;}
        break;
      case 74: /* cmd ::= DROP TABLE ifexists fullname */
{
  sqlite3DropTable(pParse, yymsp[0].minor.yy167, 0, yymsp[-1].minor.yy96);
}
        break;
      case 77: /* cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */
{
  sqlite3CreateView(pParse, &yymsp[-8].minor.yy0, &yymsp[-4].minor.yy0, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy42, yymsp[0].minor.yy423, yymsp[-7].minor.yy96, yymsp[-5].minor.yy96);
}
        break;
      case 78: /* cmd ::= DROP VIEW ifexists fullname */
{
  sqlite3DropTable(pParse, yymsp[0].minor.yy167, 1, yymsp[-1].minor.yy96);
}
        break;
      case 79: /* cmd ::= select */
{
  SelectDest dest = {SRT_Output, 0, 0, 0, 0, 0};
  sqlite3Select(pParse, yymsp[0].minor.yy423, &dest);
  sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy423);
}
        break;
      case 80: /* select ::= WITH wqlist selectnowith */
{
  Select *p = yymsp[0].minor.yy423;
  if( p ){
    p->pWith = yymsp[-1].minor.yy499;
    parserDoubleLinkSelect(pParse, p);
  }else{
    sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy499);
  }
  yymsp[-2].minor.yy423 = p;
}
        break;
      case 81: /* select ::= WITH RECURSIVE wqlist selectnowith */
{
  Select *p = yymsp[0].minor.yy423;
  if( p ){
    p->pWith = yymsp[-1].minor.yy499;
    parserDoubleLinkSelect(pParse, p);
  }else{
    sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy499);
  }
  yymsp[-3].minor.yy423 = p;
}
        break;
      case 82: /* select ::= selectnowith */
{
  Select *p = yymsp[0].minor.yy423;
  if( p ){
    parserDoubleLinkSelect(pParse, p);
  }
  yymsp[0].minor.yy423 = p; /*A-overwrites-X*/
}
        break;
      case 83: /* selectnowith ::= selectnowith multiselect_op oneselect */
{
  Select *pRhs = yymsp[0].minor.yy423;
  Select *pLhs = yymsp[-2].minor.yy423;
  if( pRhs && pRhs->pPrior ){
    SrcList *pFrom;
    Token x;
    x.n = 0;
    parserDoubleLinkSelect(pParse, pRhs);
    pFrom = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&x,pRhs,0,0);
    pRhs = sqlite3SelectNew(pParse,0,pFrom,0,0,0,0,0,0);
  }
  if( pRhs ){
    pRhs->op = (u8)yymsp[-1].minor.yy96;
    pRhs->pPrior = pLhs;
    if( ALWAYS(pLhs) ) pLhs->selFlags &= ~SF_MultiValue;
    pRhs->selFlags &= ~SF_MultiValue;
    if( yymsp[-1].minor.yy96!=TK_ALL ) pParse->hasCompound = 1;
  }else{
    sqlite3SelectDelete(pParse->db, pLhs);
  }
  yymsp[-2].minor.yy423 = pRhs;
}
        break;
      case 84: /* multiselect_op ::= UNION */
      case 86: /* multiselect_op ::= EXCEPT|INTERSECT */ yytestcase(yyruleno==86);
{yymsp[0].minor.yy96 = yymsp[0].major; /*A-overwrites-OP*/}
        break;
      case 85: /* multiselect_op ::= UNION ALL */
{yymsp[-1].minor.yy96 = TK_ALL;}
        break;
      case 87: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */
{
  yymsp[-8].minor.yy423 = sqlite3SelectNew(pParse,yymsp[-6].minor.yy42,yymsp[-5].minor.yy167,yymsp[-4].minor.yy490,yymsp[-3].minor.yy42,yymsp[-2].minor.yy490,yymsp[-1].minor.yy42,yymsp[-7].minor.yy96,yymsp[0].minor.yy490);
}
        break;
      case 88: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */
{
  yymsp[-9].minor.yy423 = sqlite3SelectNew(pParse,yymsp[-7].minor.yy42,yymsp[-6].minor.yy167,yymsp[-5].minor.yy490,yymsp[-4].minor.yy42,yymsp[-3].minor.yy490,yymsp[-1].minor.yy42,yymsp[-8].minor.yy96,yymsp[0].minor.yy490);
  if( yymsp[-9].minor.yy423 ){
    yymsp[-9].minor.yy423->pWinDefn = yymsp[-2].minor.yy147;
  }else{
    sqlite3WindowListDelete(pParse->db, yymsp[-2].minor.yy147);
  }
}
        break;
      case 89: /* values ::= VALUES LP nexprlist RP */
{
  yymsp[-3].minor.yy423 = sqlite3SelectNew(pParse,yymsp[-1].minor.yy42,0,0,0,0,0,SF_Values,0);
}
        break;
      case 90: /* values ::= values COMMA LP nexprlist RP */
{
  Select *pRight, *pLeft = yymsp[-4].minor.yy423;
  pRight = sqlite3SelectNew(pParse,yymsp[-1].minor.yy42,0,0,0,0,0,SF_Values|SF_MultiValue,0);
  if( ALWAYS(pLeft) ) pLeft->selFlags &= ~SF_MultiValue;
  if( pRight ){
    pRight->op = TK_ALL;
    pRight->pPrior = pLeft;
    yymsp[-4].minor.yy423 = pRight;
  }else{
    yymsp[-4].minor.yy423 = pLeft;
  }
}
        break;
      case 91: /* distinct ::= DISTINCT */
{yymsp[0].minor.yy96 = SF_Distinct;}
        break;
      case 92: /* distinct ::= ALL */
{yymsp[0].minor.yy96 = SF_All;}
        break;
      case 94: /* sclp ::= */
      case 127: /* orderby_opt ::= */ yytestcase(yyruleno==127);
      case 134: /* groupby_opt ::= */ yytestcase(yyruleno==134);
      case 214: /* exprlist ::= */ yytestcase(yyruleno==214);
      case 217: /* paren_exprlist ::= */ yytestcase(yyruleno==217);
      case 222: /* eidlist_opt ::= */ yytestcase(yyruleno==222);
{yymsp[1].minor.yy42 = 0;}
        break;
      case 95: /* selcollist ::= sclp scanpt expr scanpt as */
{
   yymsp[-4].minor.yy42 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy42, yymsp[-2].minor.yy490);
   if( yymsp[0].minor.yy0.n>0 ) sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy42, &yymsp[0].minor.yy0, 1);
   sqlite3ExprListSetSpan(pParse,yymsp[-4].minor.yy42,yymsp[-3].minor.yy464,yymsp[-1].minor.yy464);
}
        break;
      case 96: /* selcollist ::= sclp scanpt STAR */
{
  Expr *p = sqlite3Expr(pParse->db, TK_ASTERISK, 0);
  yymsp[-2].minor.yy42 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy42, p);
}
        break;
      case 97: /* selcollist ::= sclp scanpt nm DOT STAR */
{
  Expr *pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0);
  Expr *pLeft = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1);
  Expr *pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight);
  yymsp[-4].minor.yy42 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy42, pDot);
}
        break;
      case 98: /* as ::= AS nm */
      case 109: /* dbnm ::= DOT nm */ yytestcase(yyruleno==109);
      case 238: /* plus_num ::= PLUS INTEGER|FLOAT */ yytestcase(yyruleno==238);
      case 239: /* minus_num ::= MINUS INTEGER|FLOAT */ yytestcase(yyruleno==239);
{yymsp[-1].minor.yy0 = yymsp[0].minor.yy0;}
        break;
      case 100: /* from ::= */
{yymsp[1].minor.yy167 = sqlite3DbMallocZero(pParse->db, sizeof(*yymsp[1].minor.yy167));}
        break;
      case 101: /* from ::= FROM seltablist */
{
  yymsp[-1].minor.yy167 = yymsp[0].minor.yy167;
  sqlite3SrcListShiftJoinType(yymsp[-1].minor.yy167);
}
        break;
      case 102: /* stl_prefix ::= seltablist joinop */
{
   if( ALWAYS(yymsp[-1].minor.yy167 && yymsp[-1].minor.yy167->nSrc>0) ) yymsp[-1].minor.yy167->a[yymsp[-1].minor.yy167->nSrc-1].fg.jointype = (u8)yymsp[0].minor.yy96;
}
        break;
      case 103: /* stl_prefix ::= */
{yymsp[1].minor.yy167 = 0;}
        break;
      case 104: /* seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */
{
  yymsp[-6].minor.yy167 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy167,&yymsp[-5].minor.yy0,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,0,yymsp[-1].minor.yy490,yymsp[0].minor.yy336);
  sqlite3SrcListIndexedBy(pParse, yymsp[-6].minor.yy167, &yymsp[-2].minor.yy0);
}
        break;
      case 105: /* seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */
{
  yymsp[-8].minor.yy167 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-8].minor.yy167,&yymsp[-7].minor.yy0,&yymsp[-6].minor.yy0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy490,yymsp[0].minor.yy336);
  sqlite3SrcListFuncArgs(pParse, yymsp[-8].minor.yy167, yymsp[-4].minor.yy42);
}
        break;
      case 106: /* seltablist ::= stl_prefix LP select RP as on_opt using_opt */
{
    yymsp[-6].minor.yy167 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy167,0,0,&yymsp[-2].minor.yy0,yymsp[-4].minor.yy423,yymsp[-1].minor.yy490,yymsp[0].minor.yy336);
  }
        break;
      case 107: /* seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */
{
    if( yymsp[-6].minor.yy167==0 && yymsp[-2].minor.yy0.n==0 && yymsp[-1].minor.yy490==0 && yymsp[0].minor.yy336==0 ){
      yymsp[-6].minor.yy167 = yymsp[-4].minor.yy167;
    }else if( yymsp[-4].minor.yy167->nSrc==1 ){
      yymsp[-6].minor.yy167 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy167,0,0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy490,yymsp[0].minor.yy336);
      if( yymsp[-6].minor.yy167 ){
        struct SrcList_item *pNew = &yymsp[-6].minor.yy167->a[yymsp[-6].minor.yy167->nSrc-1];
        struct SrcList_item *pOld = yymsp[-4].minor.yy167->a;
        pNew->zName = pOld->zName;
        pNew->zDatabase = pOld->zDatabase;
        pNew->pSelect = pOld->pSelect;
        if( pOld->fg.isTabFunc ){
          pNew->u1.pFuncArg = pOld->u1.pFuncArg;
          pOld->u1.pFuncArg = 0;
          pOld->fg.isTabFunc = 0;
          pNew->fg.isTabFunc = 1;
        }
        pOld->zName = pOld->zDatabase = 0;
        pOld->pSelect = 0;
      }
      sqlite3SrcListDelete(pParse->db, yymsp[-4].minor.yy167);
    }else{
      Select *pSubquery;
      sqlite3SrcListShiftJoinType(yymsp[-4].minor.yy167);
      pSubquery = sqlite3SelectNew(pParse,0,yymsp[-4].minor.yy167,0,0,0,0,SF_NestedFrom,0);
      yymsp[-6].minor.yy167 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy167,0,0,&yymsp[-2].minor.yy0,pSubquery,yymsp[-1].minor.yy490,yymsp[0].minor.yy336);
    }
  }
        break;
      case 108: /* dbnm ::= */
      case 122: /* indexed_opt ::= */ yytestcase(yyruleno==122);
{yymsp[1].minor.yy0.z=0; yymsp[1].minor.yy0.n=0;}
        break;
      case 110: /* fullname ::= nm */
{
  yylhsminor.yy167 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0);
  if( IN_RENAME_OBJECT && yylhsminor.yy167 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy167->a[0].zName, &yymsp[0].minor.yy0);
}
  yymsp[0].minor.yy167 = yylhsminor.yy167;
        break;
      case 111: /* fullname ::= nm DOT nm */
{
  yylhsminor.yy167 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0);
  if( IN_RENAME_OBJECT && yylhsminor.yy167 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy167->a[0].zName, &yymsp[0].minor.yy0);
}
  yymsp[-2].minor.yy167 = yylhsminor.yy167;
        break;
      case 112: /* xfullname ::= nm */
{yymsp[0].minor.yy167 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); /*A-overwrites-X*/}
        break;
      case 113: /* xfullname ::= nm DOT nm */
{yymsp[-2].minor.yy167 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/}
        break;
      case 114: /* xfullname ::= nm DOT nm AS nm */
{
   yymsp[-4].minor.yy167 = sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,&yymsp[-2].minor.yy0); /*A-overwrites-X*/
   if( yymsp[-4].minor.yy167 ) yymsp[-4].minor.yy167->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0);
}
        break;
      case 115: /* xfullname ::= nm AS nm */
{  
   yymsp[-2].minor.yy167 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,0); /*A-overwrites-X*/
   if( yymsp[-2].minor.yy167 ) yymsp[-2].minor.yy167->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0);
}
        break;
      case 116: /* joinop ::= COMMA|JOIN */
{ yymsp[0].minor.yy96 = JT_INNER; }
        break;
      case 117: /* joinop ::= JOIN_KW JOIN */
{yymsp[-1].minor.yy96 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0);  /*X-overwrites-A*/}
        break;
      case 118: /* joinop ::= JOIN_KW nm JOIN */
{yymsp[-2].minor.yy96 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0); /*X-overwrites-A*/}
        break;
      case 119: /* joinop ::= JOIN_KW nm nm JOIN */
{yymsp[-3].minor.yy96 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0);/*X-overwrites-A*/}
        break;
      case 120: /* on_opt ::= ON expr */
      case 137: /* having_opt ::= HAVING expr */ yytestcase(yyruleno==137);
      case 144: /* where_opt ::= WHERE expr */ yytestcase(yyruleno==144);
      case 210: /* case_else ::= ELSE expr */ yytestcase(yyruleno==210);
      case 231: /* vinto ::= INTO expr */ yytestcase(yyruleno==231);
{yymsp[-1].minor.yy490 = yymsp[0].minor.yy490;}
        break;
      case 121: /* on_opt ::= */
      case 136: /* having_opt ::= */ yytestcase(yyruleno==136);
      case 138: /* limit_opt ::= */ yytestcase(yyruleno==138);
      case 143: /* where_opt ::= */ yytestcase(yyruleno==143);
      case 211: /* case_else ::= */ yytestcase(yyruleno==211);
      case 213: /* case_operand ::= */ yytestcase(yyruleno==213);
      case 232: /* vinto ::= */ yytestcase(yyruleno==232);
{yymsp[1].minor.yy490 = 0;}
        break;
      case 123: /* indexed_opt ::= INDEXED BY nm */
{yymsp[-2].minor.yy0 = yymsp[0].minor.yy0;}
        break;
      case 124: /* indexed_opt ::= NOT INDEXED */
{yymsp[-1].minor.yy0.z=0; yymsp[-1].minor.yy0.n=1;}
        break;
      case 125: /* using_opt ::= USING LP idlist RP */
{yymsp[-3].minor.yy336 = yymsp[-1].minor.yy336;}
        break;
      case 126: /* using_opt ::= */
      case 158: /* idlist_opt ::= */ yytestcase(yyruleno==158);
{yymsp[1].minor.yy336 = 0;}
        break;
      case 128: /* orderby_opt ::= ORDER BY sortlist */
      case 135: /* groupby_opt ::= GROUP BY nexprlist */ yytestcase(yyruleno==135);
{yymsp[-2].minor.yy42 = yymsp[0].minor.yy42;}
        break;
      case 129: /* sortlist ::= sortlist COMMA expr sortorder */
{
  yymsp[-3].minor.yy42 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy42,yymsp[-1].minor.yy490);
  sqlite3ExprListSetSortOrder(yymsp[-3].minor.yy42,yymsp[0].minor.yy96);
}
        break;
      case 130: /* sortlist ::= expr sortorder */
{
  yymsp[-1].minor.yy42 = sqlite3ExprListAppend(pParse,0,yymsp[-1].minor.yy490); /*A-overwrites-Y*/
  sqlite3ExprListSetSortOrder(yymsp[-1].minor.yy42,yymsp[0].minor.yy96);
}
        break;
      case 131: /* sortorder ::= ASC */
{yymsp[0].minor.yy96 = SQLITE_SO_ASC;}
        break;
      case 132: /* sortorder ::= DESC */
{yymsp[0].minor.yy96 = SQLITE_SO_DESC;}
        break;
      case 133: /* sortorder ::= */
{yymsp[1].minor.yy96 = SQLITE_SO_UNDEFINED;}
        break;
      case 139: /* limit_opt ::= LIMIT expr */
{yymsp[-1].minor.yy490 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy490,0);}
        break;
      case 140: /* limit_opt ::= LIMIT expr OFFSET expr */
{yymsp[-3].minor.yy490 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[-2].minor.yy490,yymsp[0].minor.yy490);}
        break;
      case 141: /* limit_opt ::= LIMIT expr COMMA expr */
{yymsp[-3].minor.yy490 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy490,yymsp[-2].minor.yy490);}
        break;
      case 142: /* cmd ::= with DELETE FROM xfullname indexed_opt where_opt */
{
  sqlite3SrcListIndexedBy(pParse, yymsp[-2].minor.yy167, &yymsp[-1].minor.yy0);
  sqlite3DeleteFrom(pParse,yymsp[-2].minor.yy167,yymsp[0].minor.yy490,0,0);
}
        break;
      case 145: /* cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt */
{
  sqlite3SrcListIndexedBy(pParse, yymsp[-4].minor.yy167, &yymsp[-3].minor.yy0);
  sqlite3ExprListCheckLength(pParse,yymsp[-1].minor.yy42,"set list"); 
  sqlite3Update(pParse,yymsp[-4].minor.yy167,yymsp[-1].minor.yy42,yymsp[0].minor.yy490,yymsp[-5].minor.yy96,0,0,0);
}
        break;
      case 146: /* setlist ::= setlist COMMA nm EQ expr */
{
  yymsp[-4].minor.yy42 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy42, yymsp[0].minor.yy490);
  sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy42, &yymsp[-2].minor.yy0, 1);
}
        break;
      case 147: /* setlist ::= setlist COMMA LP idlist RP EQ expr */
{
  yymsp[-6].minor.yy42 = sqlite3ExprListAppendVector(pParse, yymsp[-6].minor.yy42, yymsp[-3].minor.yy336, yymsp[0].minor.yy490);
}
        break;
      case 148: /* setlist ::= nm EQ expr */
{
  yylhsminor.yy42 = sqlite3ExprListAppend(pParse, 0, yymsp[0].minor.yy490);
  sqlite3ExprListSetName(pParse, yylhsminor.yy42, &yymsp[-2].minor.yy0, 1);
}
  yymsp[-2].minor.yy42 = yylhsminor.yy42;
        break;
      case 149: /* setlist ::= LP idlist RP EQ expr */
{
  yymsp[-4].minor.yy42 = sqlite3ExprListAppendVector(pParse, 0, yymsp[-3].minor.yy336, yymsp[0].minor.yy490);
}
        break;
      case 150: /* cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */
{
  sqlite3Insert(pParse, yymsp[-3].minor.yy167, yymsp[-1].minor.yy423, yymsp[-2].minor.yy336, yymsp[-5].minor.yy96, yymsp[0].minor.yy266);
}
        break;
      case 151: /* cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */
{
  sqlite3Insert(pParse, yymsp[-3].minor.yy167, 0, yymsp[-2].minor.yy336, yymsp[-5].minor.yy96, 0);
}
        break;
      case 152: /* upsert ::= */
{ yymsp[1].minor.yy266 = 0; }
        break;
      case 153: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */
{ yymsp[-10].minor.yy266 = sqlite3UpsertNew(pParse->db,yymsp[-7].minor.yy42,yymsp[-5].minor.yy490,yymsp[-1].minor.yy42,yymsp[0].minor.yy490);}
        break;
      case 154: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */
{ yymsp[-7].minor.yy266 = sqlite3UpsertNew(pParse->db,yymsp[-4].minor.yy42,yymsp[-2].minor.yy490,0,0); }
        break;
      case 155: /* upsert ::= ON CONFLICT DO NOTHING */
{ yymsp[-3].minor.yy266 = sqlite3UpsertNew(pParse->db,0,0,0,0); }
        break;
      case 159: /* idlist_opt ::= LP idlist RP */
{yymsp[-2].minor.yy336 = yymsp[-1].minor.yy336;}
        break;
      case 160: /* idlist ::= idlist COMMA nm */
{yymsp[-2].minor.yy336 = sqlite3IdListAppend(pParse,yymsp[-2].minor.yy336,&yymsp[0].minor.yy0);}
        break;
      case 161: /* idlist ::= nm */
{yymsp[0].minor.yy336 = sqlite3IdListAppend(pParse,0,&yymsp[0].minor.yy0); /*A-overwrites-Y*/}
        break;
      case 162: /* expr ::= LP expr RP */
{yymsp[-2].minor.yy490 = yymsp[-1].minor.yy490;}
        break;
      case 163: /* expr ::= ID|INDEXED */
      case 164: /* expr ::= JOIN_KW */ yytestcase(yyruleno==164);
{yymsp[0].minor.yy490=tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); /*A-overwrites-X*/}
        break;
      case 165: /* expr ::= nm DOT nm */
{
  Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1);
  Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[0].minor.yy0, 1);
  if( IN_RENAME_OBJECT ){
    sqlite3RenameTokenMap(pParse, (void*)temp2, &yymsp[0].minor.yy0);
    sqlite3RenameTokenMap(pParse, (void*)temp1, &yymsp[-2].minor.yy0);
  }
  yylhsminor.yy490 = sqlite3PExpr(pParse, TK_DOT, temp1, temp2);
}
  yymsp[-2].minor.yy490 = yylhsminor.yy490;
        break;
      case 166: /* expr ::= nm DOT nm DOT nm */
{
  Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-4].minor.yy0, 1);
  Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1);
  Expr *temp3 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[0].minor.yy0, 1);
  Expr *temp4 = sqlite3PExpr(pParse, TK_DOT, temp2, temp3);
  if( IN_RENAME_OBJECT ){
    sqlite3RenameTokenMap(pParse, (void*)temp3, &yymsp[0].minor.yy0);
    sqlite3RenameTokenMap(pParse, (void*)temp2, &yymsp[-2].minor.yy0);
  }
  yylhsminor.yy490 = sqlite3PExpr(pParse, TK_DOT, temp1, temp4);
}
  yymsp[-4].minor.yy490 = yylhsminor.yy490;
        break;
      case 167: /* term ::= NULL|FLOAT|BLOB */
      case 168: /* term ::= STRING */ yytestcase(yyruleno==168);
{yymsp[0].minor.yy490=tokenExpr(pParse,yymsp[0].major,yymsp[0].minor.yy0); /*A-overwrites-X*/}
        break;
      case 169: /* term ::= INTEGER */
{
  yylhsminor.yy490 = sqlite3ExprAlloc(pParse->db, TK_INTEGER, &yymsp[0].minor.yy0, 1);
}
  yymsp[0].minor.yy490 = yylhsminor.yy490;
        break;
      case 170: /* expr ::= VARIABLE */
{
  if( !(yymsp[0].minor.yy0.z[0]=='#' && sqlite3Isdigit(yymsp[0].minor.yy0.z[1])) ){
    u32 n = yymsp[0].minor.yy0.n;
    yymsp[0].minor.yy490 = tokenExpr(pParse, TK_VARIABLE, yymsp[0].minor.yy0);
    sqlite3ExprAssignVarNumber(pParse, yymsp[0].minor.yy490, n);
  }else{
    /* When doing a nested parse, one can include terms in an expression
    ** that look like this:   #1 #2 ...  These terms refer to registers
    ** in the virtual machine.  #N is the N-th register. */
    Token t = yymsp[0].minor.yy0; /*A-overwrites-X*/
    assert( t.n>=2 );
    if( pParse->nested==0 ){
      sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &t);
      yymsp[0].minor.yy490 = 0;
    }else{
      yymsp[0].minor.yy490 = sqlite3PExpr(pParse, TK_REGISTER, 0, 0);
      if( yymsp[0].minor.yy490 ) sqlite3GetInt32(&t.z[1], &yymsp[0].minor.yy490->iTable);
    }
  }
}
        break;
      case 171: /* expr ::= expr COLLATE ID|STRING */
{
  yymsp[-2].minor.yy490 = sqlite3ExprAddCollateToken(pParse, yymsp[-2].minor.yy490, &yymsp[0].minor.yy0, 1);
}
        break;
      case 172: /* expr ::= CAST LP expr AS typetoken RP */
{
  yymsp[-5].minor.yy490 = sqlite3ExprAlloc(pParse->db, TK_CAST, &yymsp[-1].minor.yy0, 1);
  sqlite3ExprAttachSubtrees(pParse->db, yymsp[-5].minor.yy490, yymsp[-3].minor.yy490, 0);
}
        break;
      case 173: /* expr ::= ID|INDEXED LP distinct exprlist RP */
{
  yylhsminor.yy490 = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy42, &yymsp[-4].minor.yy0, yymsp[-2].minor.yy96);
}
  yymsp[-4].minor.yy490 = yylhsminor.yy490;
        break;
      case 174: /* expr ::= ID|INDEXED LP STAR RP */
{
  yylhsminor.yy490 = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0, 0);
}
  yymsp[-3].minor.yy490 = yylhsminor.yy490;
        break;
      case 175: /* expr ::= ID|INDEXED LP distinct exprlist RP over_clause */
{
  yylhsminor.yy490 = sqlite3ExprFunction(pParse, yymsp[-2].minor.yy42, &yymsp[-5].minor.yy0, yymsp[-3].minor.yy96);
  sqlite3WindowAttach(pParse, yylhsminor.yy490, yymsp[0].minor.yy147);
}
  yymsp[-5].minor.yy490 = yylhsminor.yy490;
        break;
      case 176: /* expr ::= ID|INDEXED LP STAR RP over_clause */
{
  yylhsminor.yy490 = sqlite3ExprFunction(pParse, 0, &yymsp[-4].minor.yy0, 0);
  sqlite3WindowAttach(pParse, yylhsminor.yy490, yymsp[0].minor.yy147);
}
  yymsp[-4].minor.yy490 = yylhsminor.yy490;
        break;
      case 177: /* term ::= CTIME_KW */
{
  yylhsminor.yy490 = sqlite3ExprFunction(pParse, 0, &yymsp[0].minor.yy0, 0);
}
  yymsp[0].minor.yy490 = yylhsminor.yy490;
        break;
      case 178: /* expr ::= LP nexprlist COMMA expr RP */
{
  ExprList *pList = sqlite3ExprListAppend(pParse, yymsp[-3].minor.yy42, yymsp[-1].minor.yy490);
  yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_VECTOR, 0, 0);
  if( yymsp[-4].minor.yy490 ){
    yymsp[-4].minor.yy490->x.pList = pList;
  }else{
    sqlite3ExprListDelete(pParse->db, pList);
  }
}
        break;
      case 179: /* expr ::= expr AND expr */
      case 180: /* expr ::= expr OR expr */ yytestcase(yyruleno==180);
      case 181: /* expr ::= expr LT|GT|GE|LE expr */ yytestcase(yyruleno==181);
      case 182: /* expr ::= expr EQ|NE expr */ yytestcase(yyruleno==182);
      case 183: /* expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ yytestcase(yyruleno==183);
      case 184: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==184);
      case 185: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==185);
      case 186: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==186);
{yymsp[-2].minor.yy490=sqlite3PExpr(pParse,yymsp[-1].major,yymsp[-2].minor.yy490,yymsp[0].minor.yy490);}
        break;
      case 187: /* likeop ::= NOT LIKE_KW|MATCH */
{yymsp[-1].minor.yy0=yymsp[0].minor.yy0; yymsp[-1].minor.yy0.n|=0x80000000; /*yymsp[-1].minor.yy0-overwrite-yymsp[0].minor.yy0*/}
        break;
      case 188: /* expr ::= expr likeop expr */
{
  ExprList *pList;
  int bNot = yymsp[-1].minor.yy0.n & 0x80000000;
  yymsp[-1].minor.yy0.n &= 0x7fffffff;
  pList = sqlite3ExprListAppend(pParse,0, yymsp[0].minor.yy490);
  pList = sqlite3ExprListAppend(pParse,pList, yymsp[-2].minor.yy490);
  yymsp[-2].minor.yy490 = sqlite3ExprFunction(pParse, pList, &yymsp[-1].minor.yy0, 0);
  if( bNot ) yymsp[-2].minor.yy490 = sqlite3PExpr(pParse, TK_NOT, yymsp[-2].minor.yy490, 0);
  if( yymsp[-2].minor.yy490 ) yymsp[-2].minor.yy490->flags |= EP_InfixFunc;
}
        break;
      case 189: /* expr ::= expr likeop expr ESCAPE expr */
{
  ExprList *pList;
  int bNot = yymsp[-3].minor.yy0.n & 0x80000000;
  yymsp[-3].minor.yy0.n &= 0x7fffffff;
  pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy490);
  pList = sqlite3ExprListAppend(pParse,pList, yymsp[-4].minor.yy490);
  pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy490);
  yymsp[-4].minor.yy490 = sqlite3ExprFunction(pParse, pList, &yymsp[-3].minor.yy0, 0);
  if( bNot ) yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy490, 0);
  if( yymsp[-4].minor.yy490 ) yymsp[-4].minor.yy490->flags |= EP_InfixFunc;
}
        break;
      case 190: /* expr ::= expr ISNULL|NOTNULL */
{yymsp[-1].minor.yy490 = sqlite3PExpr(pParse,yymsp[0].major,yymsp[-1].minor.yy490,0);}
        break;
      case 191: /* expr ::= expr NOT NULL */
{yymsp[-2].minor.yy490 = sqlite3PExpr(pParse,TK_NOTNULL,yymsp[-2].minor.yy490,0);}
        break;
      case 192: /* expr ::= expr IS expr */
{
  yymsp[-2].minor.yy490 = sqlite3PExpr(pParse,TK_IS,yymsp[-2].minor.yy490,yymsp[0].minor.yy490);
  binaryToUnaryIfNull(pParse, yymsp[0].minor.yy490, yymsp[-2].minor.yy490, TK_ISNULL);
}
        break;
      case 193: /* expr ::= expr IS NOT expr */
{
  yymsp[-3].minor.yy490 = sqlite3PExpr(pParse,TK_ISNOT,yymsp[-3].minor.yy490,yymsp[0].minor.yy490);
  binaryToUnaryIfNull(pParse, yymsp[0].minor.yy490, yymsp[-3].minor.yy490, TK_NOTNULL);
}
        break;
      case 194: /* expr ::= NOT expr */
      case 195: /* expr ::= BITNOT expr */ yytestcase(yyruleno==195);
{yymsp[-1].minor.yy490 = sqlite3PExpr(pParse, yymsp[-1].major, yymsp[0].minor.yy490, 0);/*A-overwrites-B*/}
        break;
      case 196: /* expr ::= PLUS|MINUS expr */
{
  yymsp[-1].minor.yy490 = sqlite3PExpr(pParse, yymsp[-1].major==TK_PLUS ? TK_UPLUS : TK_UMINUS, yymsp[0].minor.yy490, 0);
  /*A-overwrites-B*/
}
        break;
      case 197: /* between_op ::= BETWEEN */
      case 200: /* in_op ::= IN */ yytestcase(yyruleno==200);
{yymsp[0].minor.yy96 = 0;}
        break;
      case 199: /* expr ::= expr between_op expr AND expr */
{
  ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy490);
  pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy490);
  yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_BETWEEN, yymsp[-4].minor.yy490, 0);
  if( yymsp[-4].minor.yy490 ){
    yymsp[-4].minor.yy490->x.pList = pList;
  }else{
    sqlite3ExprListDelete(pParse->db, pList);
  } 
  if( yymsp[-3].minor.yy96 ) yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy490, 0);
}
        break;
      case 202: /* expr ::= expr in_op LP exprlist RP */
{
    if( yymsp[-1].minor.yy42==0 ){
      /* Expressions of the form
      **
      **      expr1 IN ()
      **      expr1 NOT IN ()
      **
      ** simplify to constants 0 (false) and 1 (true), respectively,
      ** regardless of the value of expr1.
      */
      if( IN_RENAME_OBJECT==0 ){
        sqlite3ExprDelete(pParse->db, yymsp[-4].minor.yy490);
        yymsp[-4].minor.yy490 = sqlite3ExprAlloc(pParse->db, TK_INTEGER,&sqlite3IntTokens[yymsp[-3].minor.yy96],1);
      }
    }else if( yymsp[-1].minor.yy42->nExpr==1 ){
      /* Expressions of the form:
      **
      **      expr1 IN (?1)
      **      expr1 NOT IN (?2)
      **
      ** with exactly one value on the RHS can be simplified to something
      ** like this:
................................................................................
      **      expr1 <> ?2
      **
      ** But, the RHS of the == or <> is marked with the EP_Generic flag
      ** so that it may not contribute to the computation of comparison
      ** affinity or the collating sequence to use for comparison.  Otherwise,
      ** the semantics would be subtly different from IN or NOT IN.
      */
      Expr *pRHS = yymsp[-1].minor.yy42->a[0].pExpr;
      yymsp[-1].minor.yy42->a[0].pExpr = 0;
      sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy42);
      /* pRHS cannot be NULL because a malloc error would have been detected
      ** before now and control would have never reached this point */
      if( ALWAYS(pRHS) ){
        pRHS->flags &= ~EP_Collate;
        pRHS->flags |= EP_Generic;
      }
      yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, yymsp[-3].minor.yy96 ? TK_NE : TK_EQ, yymsp[-4].minor.yy490, pRHS);
    }else{
      yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy490, 0);
      if( yymsp[-4].minor.yy490 ){
        yymsp[-4].minor.yy490->x.pList = yymsp[-1].minor.yy42;
        sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy490);
      }else{
        sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy42);
      }
      if( yymsp[-3].minor.yy96 ) yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy490, 0);
    }
  }
        break;
      case 203: /* expr ::= LP select RP */
{
    yymsp[-2].minor.yy490 = sqlite3PExpr(pParse, TK_SELECT, 0, 0);
    sqlite3PExprAddSelect(pParse, yymsp[-2].minor.yy490, yymsp[-1].minor.yy423);
  }
        break;
      case 204: /* expr ::= expr in_op LP select RP */
{
    yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy490, 0);
    sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy490, yymsp[-1].minor.yy423);
    if( yymsp[-3].minor.yy96 ) yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy490, 0);
  }
        break;
      case 205: /* expr ::= expr in_op nm dbnm paren_exprlist */
{
    SrcList *pSrc = sqlite3SrcListAppend(pParse, 0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0);
    Select *pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0);
    if( yymsp[0].minor.yy42 )  sqlite3SrcListFuncArgs(pParse, pSelect ? pSrc : 0, yymsp[0].minor.yy42);
    yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy490, 0);
    sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy490, pSelect);
    if( yymsp[-3].minor.yy96 ) yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy490, 0);
  }
        break;
      case 206: /* expr ::= EXISTS LP select RP */
{
    Expr *p;
    p = yymsp[-3].minor.yy490 = sqlite3PExpr(pParse, TK_EXISTS, 0, 0);
    sqlite3PExprAddSelect(pParse, p, yymsp[-1].minor.yy423);
  }
        break;
      case 207: /* expr ::= CASE case_operand case_exprlist case_else END */
{
  yymsp[-4].minor.yy490 = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy490, 0);
  if( yymsp[-4].minor.yy490 ){
    yymsp[-4].minor.yy490->x.pList = yymsp[-1].minor.yy490 ? sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy42,yymsp[-1].minor.yy490) : yymsp[-2].minor.yy42;
    sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy490);
  }else{
    sqlite3ExprListDelete(pParse->db, yymsp[-2].minor.yy42);
    sqlite3ExprDelete(pParse->db, yymsp[-1].minor.yy490);
  }
}
        break;
      case 208: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */
{
  yymsp[-4].minor.yy42 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy42, yymsp[-2].minor.yy490);
  yymsp[-4].minor.yy42 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy42, yymsp[0].minor.yy490);
}
        break;
      case 209: /* case_exprlist ::= WHEN expr THEN expr */
{
  yymsp[-3].minor.yy42 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy490);
  yymsp[-3].minor.yy42 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy42, yymsp[0].minor.yy490);
}
        break;
      case 212: /* case_operand ::= expr */
{yymsp[0].minor.yy490 = yymsp[0].minor.yy490; /*A-overwrites-X*/}
        break;
      case 215: /* nexprlist ::= nexprlist COMMA expr */
{yymsp[-2].minor.yy42 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy42,yymsp[0].minor.yy490);}
        break;
      case 216: /* nexprlist ::= expr */
{yymsp[0].minor.yy42 = sqlite3ExprListAppend(pParse,0,yymsp[0].minor.yy490); /*A-overwrites-Y*/}
        break;
      case 218: /* paren_exprlist ::= LP exprlist RP */
      case 223: /* eidlist_opt ::= LP eidlist RP */ yytestcase(yyruleno==223);
{yymsp[-2].minor.yy42 = yymsp[-1].minor.yy42;}
        break;
      case 219: /* cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */
{
  sqlite3CreateIndex(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, 
                     sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,0), yymsp[-2].minor.yy42, yymsp[-10].minor.yy96,
                      &yymsp[-11].minor.yy0, yymsp[0].minor.yy490, SQLITE_SO_ASC, yymsp[-8].minor.yy96, SQLITE_IDXTYPE_APPDEF);
  if( IN_RENAME_OBJECT && pParse->pNewIndex ){
    sqlite3RenameTokenMap(pParse, pParse->pNewIndex->zName, &yymsp[-4].minor.yy0);
  }
}
        break;
      case 220: /* uniqueflag ::= UNIQUE */
      case 262: /* raisetype ::= ABORT */ yytestcase(yyruleno==262);
{yymsp[0].minor.yy96 = OE_Abort;}
        break;
      case 221: /* uniqueflag ::= */
{yymsp[1].minor.yy96 = OE_None;}
        break;
      case 224: /* eidlist ::= eidlist COMMA nm collate sortorder */
{
  yymsp[-4].minor.yy42 = parserAddExprIdListTerm(pParse, yymsp[-4].minor.yy42, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy96, yymsp[0].minor.yy96);
}
        break;
      case 225: /* eidlist ::= nm collate sortorder */
{
  yymsp[-2].minor.yy42 = parserAddExprIdListTerm(pParse, 0, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy96, yymsp[0].minor.yy96); /*A-overwrites-Y*/
}
        break;
      case 228: /* cmd ::= DROP INDEX ifexists fullname */
{sqlite3DropIndex(pParse, yymsp[0].minor.yy167, yymsp[-1].minor.yy96);}
        break;
      case 229: /* cmd ::= VACUUM vinto */
{sqlite3Vacuum(pParse,0,yymsp[0].minor.yy490);}
        break;
      case 230: /* cmd ::= VACUUM nm vinto */
{sqlite3Vacuum(pParse,&yymsp[-1].minor.yy0,yymsp[0].minor.yy490);}
        break;
      case 233: /* cmd ::= PRAGMA nm dbnm */
{sqlite3Pragma(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,0,0);}
        break;
      case 234: /* cmd ::= PRAGMA nm dbnm EQ nmnum */
{sqlite3Pragma(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0,0);}
        break;
................................................................................
{sqlite3Pragma(pParse,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-1].minor.yy0,1);}
        break;
      case 240: /* cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */
{
  Token all;
  all.z = yymsp[-3].minor.yy0.z;
  all.n = (int)(yymsp[0].minor.yy0.z - yymsp[-3].minor.yy0.z) + yymsp[0].minor.yy0.n;
  sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy119, &all);
}
        break;
      case 241: /* trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */
{
  sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, yymsp[-5].minor.yy96, yymsp[-4].minor.yy350.a, yymsp[-4].minor.yy350.b, yymsp[-2].minor.yy167, yymsp[0].minor.yy490, yymsp[-10].minor.yy96, yymsp[-8].minor.yy96);
  yymsp[-10].minor.yy0 = (yymsp[-6].minor.yy0.n==0?yymsp[-7].minor.yy0:yymsp[-6].minor.yy0); /*A-overwrites-T*/
}
        break;
      case 242: /* trigger_time ::= BEFORE|AFTER */
{ yymsp[0].minor.yy96 = yymsp[0].major; /*A-overwrites-X*/ }
        break;
      case 243: /* trigger_time ::= INSTEAD OF */
{ yymsp[-1].minor.yy96 = TK_INSTEAD;}
        break;
      case 244: /* trigger_time ::= */
{ yymsp[1].minor.yy96 = TK_BEFORE; }
        break;
      case 245: /* trigger_event ::= DELETE|INSERT */
      case 246: /* trigger_event ::= UPDATE */ yytestcase(yyruleno==246);
{yymsp[0].minor.yy350.a = yymsp[0].major; /*A-overwrites-X*/ yymsp[0].minor.yy350.b = 0;}
        break;
      case 247: /* trigger_event ::= UPDATE OF idlist */
{yymsp[-2].minor.yy350.a = TK_UPDATE; yymsp[-2].minor.yy350.b = yymsp[0].minor.yy336;}
        break;
      case 248: /* when_clause ::= */
      case 267: /* key_opt ::= */ yytestcase(yyruleno==267);
      case 309: /* filter_opt ::= */ yytestcase(yyruleno==309);
{ yymsp[1].minor.yy490 = 0; }
        break;
      case 249: /* when_clause ::= WHEN expr */
      case 268: /* key_opt ::= KEY expr */ yytestcase(yyruleno==268);
{ yymsp[-1].minor.yy490 = yymsp[0].minor.yy490; }
        break;
      case 250: /* trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */
{
  assert( yymsp[-2].minor.yy119!=0 );
  yymsp[-2].minor.yy119->pLast->pNext = yymsp[-1].minor.yy119;
  yymsp[-2].minor.yy119->pLast = yymsp[-1].minor.yy119;
}
        break;
      case 251: /* trigger_cmd_list ::= trigger_cmd SEMI */
{ 
  assert( yymsp[-1].minor.yy119!=0 );
  yymsp[-1].minor.yy119->pLast = yymsp[-1].minor.yy119;
}
        break;
      case 252: /* trnm ::= nm DOT nm */
{
  yymsp[-2].minor.yy0 = yymsp[0].minor.yy0;
  sqlite3ErrorMsg(pParse, 
        "qualified table names are not allowed on INSERT, UPDATE, and DELETE "
................................................................................
{
  sqlite3ErrorMsg(pParse,
        "the NOT INDEXED clause is not allowed on UPDATE or DELETE statements "
        "within triggers");
}
        break;
      case 255: /* trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt */
{yylhsminor.yy119 = sqlite3TriggerUpdateStep(pParse, &yymsp[-5].minor.yy0, yymsp[-2].minor.yy42, yymsp[-1].minor.yy490, yymsp[-6].minor.yy96, yymsp[-7].minor.yy0.z, yymsp[0].minor.yy464);}
  yymsp[-7].minor.yy119 = yylhsminor.yy119;
        break;
      case 256: /* trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */
{
   yylhsminor.yy119 = sqlite3TriggerInsertStep(pParse,&yymsp[-4].minor.yy0,yymsp[-3].minor.yy336,yymsp[-2].minor.yy423,yymsp[-6].minor.yy96,yymsp[-1].minor.yy266,yymsp[-7].minor.yy464,yymsp[0].minor.yy464);/*yylhsminor.yy119-overwrites-yymsp[-6].minor.yy96*/
}
  yymsp[-7].minor.yy119 = yylhsminor.yy119;
        break;
      case 257: /* trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */
{yylhsminor.yy119 = sqlite3TriggerDeleteStep(pParse, &yymsp[-3].minor.yy0, yymsp[-1].minor.yy490, yymsp[-5].minor.yy0.z, yymsp[0].minor.yy464);}
  yymsp[-5].minor.yy119 = yylhsminor.yy119;
        break;
      case 258: /* trigger_cmd ::= scanpt select scanpt */
{yylhsminor.yy119 = sqlite3TriggerSelectStep(pParse->db, yymsp[-1].minor.yy423, yymsp[-2].minor.yy464, yymsp[0].minor.yy464); /*yylhsminor.yy119-overwrites-yymsp[-1].minor.yy423*/}
  yymsp[-2].minor.yy119 = yylhsminor.yy119;
        break;
      case 259: /* expr ::= RAISE LP IGNORE RP */
{
  yymsp[-3].minor.yy490 = sqlite3PExpr(pParse, TK_RAISE, 0, 0); 
  if( yymsp[-3].minor.yy490 ){
    yymsp[-3].minor.yy490->affinity = OE_Ignore;
  }
}
        break;
      case 260: /* expr ::= RAISE LP raisetype COMMA nm RP */
{
  yymsp[-5].minor.yy490 = sqlite3ExprAlloc(pParse->db, TK_RAISE, &yymsp[-1].minor.yy0, 1); 
  if( yymsp[-5].minor.yy490 ) {
    yymsp[-5].minor.yy490->affinity = (char)yymsp[-3].minor.yy96;
  }
}
        break;
      case 261: /* raisetype ::= ROLLBACK */
{yymsp[0].minor.yy96 = OE_Rollback;}
        break;
      case 263: /* raisetype ::= FAIL */
{yymsp[0].minor.yy96 = OE_Fail;}
        break;
      case 264: /* cmd ::= DROP TRIGGER ifexists fullname */
{
  sqlite3DropTrigger(pParse,yymsp[0].minor.yy167,yymsp[-1].minor.yy96);
}
        break;
      case 265: /* cmd ::= ATTACH database_kw_opt expr AS expr key_opt */
{
  sqlite3Attach(pParse, yymsp[-3].minor.yy490, yymsp[-1].minor.yy490, yymsp[0].minor.yy490);
}
        break;
      case 266: /* cmd ::= DETACH database_kw_opt expr */
{
  sqlite3Detach(pParse, yymsp[0].minor.yy490);
}
        break;
      case 269: /* cmd ::= REINDEX */
{sqlite3Reindex(pParse, 0, 0);}
        break;
      case 270: /* cmd ::= REINDEX nm dbnm */
{sqlite3Reindex(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);}
................................................................................
{sqlite3Analyze(pParse, 0, 0);}
        break;
      case 272: /* cmd ::= ANALYZE nm dbnm */
{sqlite3Analyze(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);}
        break;
      case 273: /* cmd ::= ALTER TABLE fullname RENAME TO nm */
{
  sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy167,&yymsp[0].minor.yy0);
}
        break;
      case 274: /* cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */
{
  yymsp[-1].minor.yy0.n = (int)(pParse->sLastToken.z-yymsp[-1].minor.yy0.z) + pParse->sLastToken.n;
  sqlite3AlterFinishAddColumn(pParse, &yymsp[-1].minor.yy0);
}
        break;
      case 275: /* add_column_fullname ::= fullname */
{
  disableLookaside(pParse);
  sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy167);
}
        break;
      case 276: /* cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */
{
  sqlite3AlterRenameColumn(pParse, yymsp[-5].minor.yy167, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0);
}
        break;
      case 277: /* cmd ::= create_vtab */
{sqlite3VtabFinishParse(pParse,0);}
        break;
      case 278: /* cmd ::= create_vtab LP vtabarglist RP */
{sqlite3VtabFinishParse(pParse,&yymsp[0].minor.yy0);}
        break;
      case 279: /* create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */
{
    sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, yymsp[-4].minor.yy96);
}
        break;
      case 280: /* vtabarg ::= */
{sqlite3VtabArgInit(pParse);}
        break;
      case 281: /* vtabargtoken ::= ANY */
      case 282: /* vtabargtoken ::= lp anylist RP */ yytestcase(yyruleno==282);
      case 283: /* lp ::= LP */ yytestcase(yyruleno==283);
{sqlite3VtabArgExtend(pParse,&yymsp[0].minor.yy0);}
        break;
      case 284: /* with ::= WITH wqlist */
      case 285: /* with ::= WITH RECURSIVE wqlist */ yytestcase(yyruleno==285);
{ sqlite3WithPush(pParse, yymsp[0].minor.yy499, 1); }
        break;
      case 286: /* wqlist ::= nm eidlist_opt AS LP select RP */
{
  yymsp[-5].minor.yy499 = sqlite3WithAdd(pParse, 0, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy42, yymsp[-1].minor.yy423); /*A-overwrites-X*/
}
        break;
      case 287: /* wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */
{
  yymsp[-7].minor.yy499 = sqlite3WithAdd(pParse, yymsp[-7].minor.yy499, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy42, yymsp[-1].minor.yy423);
}
        break;
      case 288: /* windowdefn_list ::= windowdefn */
{ yylhsminor.yy147 = yymsp[0].minor.yy147; }
  yymsp[0].minor.yy147 = yylhsminor.yy147;
        break;
      case 289: /* windowdefn_list ::= windowdefn_list COMMA windowdefn */
{
  assert( yymsp[0].minor.yy147!=0 );

  yymsp[0].minor.yy147->pNextWin = yymsp[-2].minor.yy147;
  yylhsminor.yy147 = yymsp[0].minor.yy147;
}
  yymsp[-2].minor.yy147 = yylhsminor.yy147;
        break;
      case 290: /* windowdefn ::= nm AS window */
{
  if( ALWAYS(yymsp[0].minor.yy147) ){
    yymsp[0].minor.yy147->zName = sqlite3DbStrNDup(pParse->db, yymsp[-2].minor.yy0.z, yymsp[-2].minor.yy0.n);
  }
  yylhsminor.yy147 = yymsp[0].minor.yy147;

}
  yymsp[-2].minor.yy147 = yylhsminor.yy147;
        break;
      case 291: /* window ::= LP part_opt orderby_opt frame_opt RP */

{
  yymsp[-4].minor.yy147 = yymsp[-1].minor.yy147;
  if( ALWAYS(yymsp[-4].minor.yy147) ){
    yymsp[-4].minor.yy147->pPartition = yymsp[-3].minor.yy42;

    yymsp[-4].minor.yy147->pOrderBy = yymsp[-2].minor.yy42;



  }





}
        break;
      case 292: /* part_opt ::= PARTITION BY nexprlist */








{ yymsp[-2].minor.yy42 = yymsp[0].minor.yy42; }


        break;
      case 293: /* part_opt ::= */
{ yymsp[1].minor.yy42 = 0; }





        break;
      case 294: /* frame_opt ::= */
{ 
  yymsp[1].minor.yy147 = sqlite3WindowAlloc(pParse, TK_RANGE, TK_UNBOUNDED, 0, TK_CURRENT, 0);

}
        break;
      case 295: /* frame_opt ::= range_or_rows frame_bound_s */
{ 
  yylhsminor.yy147 = sqlite3WindowAlloc(pParse, yymsp[-1].minor.yy96, yymsp[0].minor.yy317.eType, yymsp[0].minor.yy317.pExpr, TK_CURRENT, 0);

}
  yymsp[-1].minor.yy147 = yylhsminor.yy147;
        break;
      case 296: /* frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e */
{ 
  yylhsminor.yy147 = sqlite3WindowAlloc(pParse, yymsp[-4].minor.yy96, yymsp[-2].minor.yy317.eType, yymsp[-2].minor.yy317.pExpr, yymsp[0].minor.yy317.eType, yymsp[0].minor.yy317.pExpr);

}
  yymsp[-4].minor.yy147 = yylhsminor.yy147;
        break;
      case 297: /* range_or_rows ::= RANGE */
{ yymsp[0].minor.yy96 = TK_RANGE; }
        break;
      case 298: /* range_or_rows ::= ROWS */
{ yymsp[0].minor.yy96 = TK_ROWS;  }
        break;
      case 299: /* frame_bound_s ::= frame_bound */
      case 301: /* frame_bound_e ::= frame_bound */ yytestcase(yyruleno==301);
{ yylhsminor.yy317 = yymsp[0].minor.yy317; }
  yymsp[0].minor.yy317 = yylhsminor.yy317;
        break;
      case 300: /* frame_bound_s ::= UNBOUNDED PRECEDING */
      case 302: /* frame_bound_e ::= UNBOUNDED FOLLOWING */ yytestcase(yyruleno==302);
{yymsp[-1].minor.yy317.eType = TK_UNBOUNDED; yymsp[-1].minor.yy317.pExpr = 0;}



        break;
      case 303: /* frame_bound ::= expr PRECEDING */
{ yylhsminor.yy317.eType = TK_PRECEDING; yylhsminor.yy317.pExpr = yymsp[-1].minor.yy490; }

  yymsp[-1].minor.yy317 = yylhsminor.yy317;
        break;
      case 304: /* frame_bound ::= CURRENT ROW */
{ yymsp[-1].minor.yy317.eType = TK_CURRENT  ; yymsp[-1].minor.yy317.pExpr = 0; }


        break;
      case 305: /* frame_bound ::= expr FOLLOWING */
{ yylhsminor.yy317.eType = TK_FOLLOWING; yylhsminor.yy317.pExpr = yymsp[-1].minor.yy490; }

  yymsp[-1].minor.yy317 = yylhsminor.yy317;
        break;







      case 306: /* window_clause ::= WINDOW windowdefn_list */
{ yymsp[-1].minor.yy147 = yymsp[0].minor.yy147; }
        break;
      case 307: /* over_clause ::= filter_opt OVER window */
{
  yylhsminor.yy147 = yymsp[0].minor.yy147;

  assert( yylhsminor.yy147!=0 );
  yylhsminor.yy147->pFilter = yymsp[-2].minor.yy490;
}
  yymsp[-2].minor.yy147 = yylhsminor.yy147;
        break;
      case 308: /* over_clause ::= filter_opt OVER nm */
{
  yylhsminor.yy147 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window));
  if( yylhsminor.yy147 ){
    yylhsminor.yy147->zName = sqlite3DbStrNDup(pParse->db, yymsp[0].minor.yy0.z, yymsp[0].minor.yy0.n);
    yylhsminor.yy147->pFilter = yymsp[-2].minor.yy490;
  }else{
    sqlite3ExprDelete(pParse->db, yymsp[-2].minor.yy490);
  }
}
  yymsp[-2].minor.yy147 = yylhsminor.yy147;
        break;
      case 310: /* filter_opt ::= FILTER LP WHERE expr RP */
{ yymsp[-4].minor.yy490 = yymsp[-1].minor.yy490; }
        break;
      default:
      /* (311) input ::= cmdlist */ yytestcase(yyruleno==311);
      /* (312) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==312);
      /* (313) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=313);
      /* (314) ecmd ::= SEMI */ yytestcase(yyruleno==314);
      /* (315) ecmd ::= cmdx SEMI */ yytestcase(yyruleno==315);
      /* (316) ecmd ::= explain cmdx */ yytestcase(yyruleno==316);
      /* (317) trans_opt ::= */ yytestcase(yyruleno==317);
      /* (318) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==318);
      /* (319) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==319);
      /* (320) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==320);
      /* (321) savepoint_opt ::= */ yytestcase(yyruleno==321);
      /* (322) cmd ::= create_table create_table_args */ yytestcase(yyruleno==322);
      /* (323) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==323);
      /* (324) columnlist ::= columnname carglist */ yytestcase(yyruleno==324);
      /* (325) nm ::= ID|INDEXED */ yytestcase(yyruleno==325);
      /* (326) nm ::= STRING */ yytestcase(yyruleno==326);
      /* (327) nm ::= JOIN_KW */ yytestcase(yyruleno==327);
      /* (328) typetoken ::= typename */ yytestcase(yyruleno==328);
      /* (329) typename ::= ID|STRING */ yytestcase(yyruleno==329);
      /* (330) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=330);
      /* (331) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=331);
      /* (332) carglist ::= carglist ccons */ yytestcase(yyruleno==332);
      /* (333) carglist ::= */ yytestcase(yyruleno==333);
      /* (334) ccons ::= NULL onconf */ yytestcase(yyruleno==334);
      /* (335) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==335);
      /* (336) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==336);
      /* (337) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=337);
      /* (338) tconscomma ::= */ yytestcase(yyruleno==338);
      /* (339) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=339);
      /* (340) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=340);
      /* (341) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=341);
      /* (342) oneselect ::= values */ yytestcase(yyruleno==342);
      /* (343) sclp ::= selcollist COMMA */ yytestcase(yyruleno==343);
      /* (344) as ::= ID|STRING */ yytestcase(yyruleno==344);
      /* (345) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=345);
      /* (346) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==346);
      /* (347) exprlist ::= nexprlist */ yytestcase(yyruleno==347);
      /* (348) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=348);
      /* (349) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=349);
      /* (350) nmnum ::= ON */ yytestcase(yyruleno==350);
      /* (351) nmnum ::= DELETE */ yytestcase(yyruleno==351);
      /* (352) nmnum ::= DEFAULT */ yytestcase(yyruleno==352);
      /* (353) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==353);
      /* (354) foreach_clause ::= */ yytestcase(yyruleno==354);
      /* (355) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==355);
      /* (356) trnm ::= nm */ yytestcase(yyruleno==356);
      /* (357) tridxby ::= */ yytestcase(yyruleno==357);
      /* (358) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==358);
      /* (359) database_kw_opt ::= */ yytestcase(yyruleno==359);
      /* (360) kwcolumn_opt ::= */ yytestcase(yyruleno==360);
      /* (361) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==361);
      /* (362) vtabarglist ::= vtabarg */ yytestcase(yyruleno==362);
      /* (363) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==363);
      /* (364) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==364);
      /* (365) anylist ::= */ yytestcase(yyruleno==365);
      /* (366) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==366);
      /* (367) anylist ::= anylist ANY */ yytestcase(yyruleno==367);
      /* (368) with ::= */ yytestcase(yyruleno==368);
        break;
/********** End reduce actions ************************************************/
  };
  assert( yyruleno<sizeof(yyRuleInfoLhs)/sizeof(yyRuleInfoLhs[0]) );
  yygoto = yyRuleInfoLhs[yyruleno];
  yysize = yyRuleInfoNRhs[yyruleno];
  yyact = yy_find_reduce_action(yymsp[yysize].stateno,(YYCODETYPE)yygoto);
................................................................................
** The code in this file implements a function that determines whether
** or not a given identifier is really an SQL keyword.  The same thing
** might be implemented more directly using a hand-written hash table.
** But by using this automatically generated code, the size of the code
** is substantially reduced.  This is important for embedded applications
** on platforms with limited memory.
*/
/* Hash score: 208 */
/* zKWText[] encodes 923 bytes of keyword text in 614 bytes */
/*   REINDEXEDESCAPEACHECKEYBEFOREIGNOREGEXPLAINSTEADDATABASELECT       */
/*   ABLEFTHENDEFERRABLELSEXCEPTRANSACTIONATURALTERAISEXCLUSIVE         */
/*   XISTSAVEPOINTERSECTRIGGEREFERENCESCONSTRAINTOFFSETEMPORARY         */
/*   UNIQUERYWITHOUTERELEASEATTACHAVINGROUPDATEBEGINNERANGEBETWEEN      */
/*   OTHINGLOBYCASCADELETECASECOLLATECREATECURRENT_DATEDETACH           */
/*   IMMEDIATEJOINSERTLIKEMATCHPLANALYZEPRAGMABORTVALUESVIRTUALIMIT     */
/*   WHENOTNULLWHERECURSIVEAFTERENAMEANDEFAULTAUTOINCREMENTCAST         */
/*   COLUMNCOMMITCONFLICTCROSSCURRENT_TIMESTAMPARTITIONDEFERRED         */
/*   ISTINCTDROPRECEDINGFAILFILTEREPLACEFOLLOWINGFROMFULLIFISNULL       */
/*   ORDERESTRICTOVERIGHTROLLBACKROWSUNBOUNDEDUNIONUSINGVACUUMVIEW      */
/*   INDOWINITIALLYPRIMARY                                              */
static const char zKWText[613] = {
  'R','E','I','N','D','E','X','E','D','E','S','C','A','P','E','A','C','H',
  'E','C','K','E','Y','B','E','F','O','R','E','I','G','N','O','R','E','G',
  'E','X','P','L','A','I','N','S','T','E','A','D','D','A','T','A','B','A',
  'S','E','L','E','C','T','A','B','L','E','F','T','H','E','N','D','E','F',
  'E','R','R','A','B','L','E','L','S','E','X','C','E','P','T','R','A','N',
  'S','A','C','T','I','O','N','A','T','U','R','A','L','T','E','R','A','I',
  'S','E','X','C','L','U','S','I','V','E','X','I','S','T','S','A','V','E',
  'P','O','I','N','T','E','R','S','E','C','T','R','I','G','G','E','R','E',


  'F','E','R','E','N','C','E','S','C','O','N','S','T','R','A','I','N','T',
  'O','F','F','S','E','T','E','M','P','O','R','A','R','Y','U','N','I','Q',
  'U','E','R','Y','W','I','T','H','O','U','T','E','R','E','L','E','A','S',
  'E','A','T','T','A','C','H','A','V','I','N','G','R','O','U','P','D','A',
  'T','E','B','E','G','I','N','N','E','R','A','N','G','E','B','E','T','W',
  'E','E','N','O','T','H','I','N','G','L','O','B','Y','C','A','S','C','A',
  'D','E','L','E','T','E','C','A','S','E','C','O','L','L','A','T','E','C',
  'R','E','A','T','E','C','U','R','R','E','N','T','_','D','A','T','E','D',
  'E','T','A','C','H','I','M','M','E','D','I','A','T','E','J','O','I','N',
  'S','E','R','T','L','I','K','E','M','A','T','C','H','P','L','A','N','A',
  'L','Y','Z','E','P','R','A','G','M','A','B','O','R','T','V','A','L','U',
  'E','S','V','I','R','T','U','A','L','I','M','I','T','W','H','E','N','O',
  'T','N','U','L','L','W','H','E','R','E','C','U','R','S','I','V','E','A',
  'F','T','E','R','E','N','A','M','E','A','N','D','E','F','A','U','L','T',
  'A','U','T','O','I','N','C','R','E','M','E','N','T','C','A','S','T','C',
  'O','L','U','M','N','C','O','M','M','I','T','C','O','N','F','L','I','C',
  'T','C','R','O','S','S','C','U','R','R','E','N','T','_','T','I','M','E',
  'S','T','A','M','P','A','R','T','I','T','I','O','N','D','E','F','E','R',
  'R','E','D','I','S','T','I','N','C','T','D','R','O','P','R','E','C','E',
  'D','I','N','G','F','A','I','L','F','I','L','T','E','R','E','P','L','A',
  'C','E','F','O','L','L','O','W','I','N','G','F','R','O','M','F','U','L',
  'L','I','F','I','S','N','U','L','L','O','R','D','E','R','E','S','T','R',

  'I','C','T','O','V','E','R','I','G','H','T','R','O','L','L','B','A','C',
  'K','R','O','W','S','U','N','B','O','U','N','D','E','D','U','N','I','O',
  'N','U','S','I','N','G','V','A','C','U','U','M','V','I','E','W','I','N',
  'D','O','W','I','N','I','T','I','A','L','L','Y','P','R','I','M','A','R',
  'Y',
};
/* aKWHash[i] is the hash value for the i-th keyword */
static const unsigned char aKWHash[127] = {
    74, 109, 124,  72, 106,  45,   0,   0,  81,   0,  76,  61,   0,
    42,  12,  77,  15,   0, 123,  84,  54, 118, 125,  19,   0,   0,
   130,   0, 128, 121,   0,  22,  96,   0,   9,   0,   0, 115,  69,
     0,  67,   6,   0,  48,  93, 136,   0, 126, 104,   0,   0,  44,
     0, 107,  24,   0,  17,   0, 131,  53,  23,   0,   5,  62, 132,
    99,   0,   0, 135, 110,  60, 134,  57, 113,  55,   0,  94,   0,
   103,  26,   0, 102,   0,   0,   0,  98,  95, 100, 105, 117,  14,
    39, 116,   0,  80,   0, 133, 114,  92,  59,   0, 129,  79, 119,
    86,  46,  83,   0,   0,  97,  40, 122, 120,   0, 127,   0,   0,
    29,   0,  89,  87,  88,   0,  20,  85, 111,  56,
};
/* aKWNext[] forms the hash collision chain.  If aKWHash[i]==0
** then the i-th keyword has no more hash collisions.  Otherwise,
** the next keyword with the same hash is aKWHash[i]-1. */
static const unsigned char aKWNext[136] = {
     0,   0,   0,   0,   4,   0,   0,   0,   0,   0,   0,   0,   0,
     0,   2,   0,   0,   0,   0,   0,   0,  13,   0,   0,   0,   0,

     0,   7,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
     0,   0,   0,   0,  33,   0,  21,   0,   0,   0,   0,   0,  50,
     0,  43,   3,  47,   0,   0,  32,   0,   0,   0,   0,   0,   0,
     0,   1,  64,   0,   0,  65,   0,  41,   0,  38,   0,   0,   0,
     0,   0,  49,  75,   0,   0,  30,   0,  58,   0,   0,   0,  31,
    63,  16,  34,  10,   0,   0,   0,   0,   0,   0,   0,  11,  70,
    91,   0,   0,   8,   0, 108,   0, 101,  28,  52,  68,   0, 112,
     0,  73,  51,   0,  90,  27,  37,   0,  71,  36,  82,   0,  35,
    66,  25,  18,   0,   0,  78,
};
/* aKWLen[i] is the length (in bytes) of the i-th keyword */
static const unsigned char aKWLen[136] = {
     7,   7,   5,   4,   6,   4,   5,   3,   6,   7,   3,   6,   6,
     7,   7,   3,   8,   2,   6,   5,   4,   4,   3,  10,   4,   6,

    11,   6,   2,   7,   5,   5,   9,   6,   9,   9,   7,  10,  10,
     4,   6,   2,   3,   9,   4,   2,   6,   5,   7,   4,   5,   7,
     6,   6,   5,   6,   5,   5,   5,   7,   7,   4,   2,   7,   3,
     6,   4,   7,   6,  12,   6,   9,   4,   6,   4,   5,   4,   7,
     6,   5,   6,   7,   5,   4,   7,   3,   2,   4,   5,   9,   5,
     6,   3,   7,  13,   2,   2,   4,   6,   6,   8,   5,  17,  12,
     7,   9,   8,   8,   2,   4,   9,   4,   6,   7,   9,   4,   4,
     2,   6,   5,   8,   4,   5,   8,   4,   3,   9,   5,   5,   6,
     4,   6,   2,   9,   3,   7,
};
/* aKWOffset[i] is the index into zKWText[] of the start of
** the text for the i-th keyword. */
static const unsigned short int aKWOffset[136] = {
     0,   2,   2,   8,   9,  14,  16,  20,  23,  25,  25,  29,  33,
    36,  41,  46,  48,  53,  54,  59,  62,  65,  67,  69,  78,  81,
    86,  91,  95,  96, 101, 105, 109, 117, 122, 128, 136, 142, 152,
   159, 162, 162, 165, 167, 167, 171, 176, 179, 184, 184, 188, 192,
   199, 204, 209, 212, 218, 221, 225, 230, 236, 242, 245, 247, 248,
   252, 258, 262, 269, 275, 287, 293, 302, 304, 310, 314, 319, 321,
   328, 333, 338, 344, 350, 355, 358, 358, 358, 361, 365, 368, 377,
   381, 387, 389, 396, 398, 400, 409, 413, 419, 425, 433, 438, 438,
   438, 454, 463, 470, 471, 478, 481, 490, 494, 499, 506, 515, 519,
   523, 525, 531, 535, 543, 546, 551, 559, 559, 563, 572, 577, 582,
   588, 591, 594, 597, 602, 606,
};
/* aKWCode[i] is the parser symbol code for the i-th keyword */
static const unsigned char aKWCode[136] = {
  TK_REINDEX,    TK_INDEXED,    TK_INDEX,      TK_DESC,       TK_ESCAPE,     
  TK_EACH,       TK_CHECK,      TK_KEY,        TK_BEFORE,     TK_FOREIGN,    
  TK_FOR,        TK_IGNORE,     TK_LIKE_KW,    TK_EXPLAIN,    TK_INSTEAD,    
  TK_ADD,        TK_DATABASE,   TK_AS,         TK_SELECT,     TK_TABLE,      
  TK_JOIN_KW,    TK_THEN,       TK_END,        TK_DEFERRABLE, TK_ELSE,       
  TK_EXCEPT,     TK_TRANSACTION,TK_ACTION,     TK_ON,         TK_JOIN_KW,    
  TK_ALTER,      TK_RAISE,      TK_EXCLUSIVE,  TK_EXISTS,     TK_SAVEPOINT,  
  TK_INTERSECT,  TK_TRIGGER,    TK_REFERENCES, TK_CONSTRAINT, TK_INTO,       
  TK_OFFSET,     TK_OF,         TK_SET,        TK_TEMP,       TK_TEMP,       

  TK_OR,         TK_UNIQUE,     TK_QUERY,      TK_WITHOUT,    TK_WITH,       
  TK_JOIN_KW,    TK_RELEASE,    TK_ATTACH,     TK_HAVING,     TK_GROUP,      
  TK_UPDATE,     TK_BEGIN,      TK_JOIN_KW,    TK_RANGE,      TK_BETWEEN,    
  TK_NOTHING,    TK_LIKE_KW,    TK_BY,         TK_CASCADE,    TK_ASC,        
  TK_DELETE,     TK_CASE,       TK_COLLATE,    TK_CREATE,     TK_CTIME_KW,   
  TK_DETACH,     TK_IMMEDIATE,  TK_JOIN,       TK_INSERT,     TK_LIKE_KW,    
  TK_MATCH,      TK_PLAN,       TK_ANALYZE,    TK_PRAGMA,     TK_ABORT,      
  TK_VALUES,     TK_VIRTUAL,    TK_LIMIT,      TK_WHEN,       TK_NOTNULL,    
  TK_NOT,        TK_NO,         TK_NULL,       TK_WHERE,      TK_RECURSIVE,  
  TK_AFTER,      TK_RENAME,     TK_AND,        TK_DEFAULT,    TK_AUTOINCR,   
  TK_TO,         TK_IN,         TK_CAST,       TK_COLUMNKW,   TK_COMMIT,     
  TK_CONFLICT,   TK_JOIN_KW,    TK_CTIME_KW,   TK_CTIME_KW,   TK_CURRENT,    
  TK_PARTITION,  TK_DEFERRED,   TK_DISTINCT,   TK_IS,         TK_DROP,       
  TK_PRECEDING,  TK_FAIL,       TK_FILTER,     TK_REPLACE,    TK_FOLLOWING,  
  TK_FROM,       TK_JOIN_KW,    TK_IF,         TK_ISNULL,     TK_ORDER,      

  TK_RESTRICT,   TK_OVER,       TK_JOIN_KW,    TK_ROLLBACK,   TK_ROWS,       
  TK_ROW,        TK_UNBOUNDED,  TK_UNION,      TK_USING,      TK_VACUUM,     
  TK_VIEW,       TK_WINDOW,     TK_DO,         TK_INITIALLY,  TK_ALL,        
  TK_PRIMARY,    
};
/* Check to see if z[0..n-1] is a keyword. If it is, write the
** parser symbol code for that keyword into *pType.  Always
** return the integer n (the length of the token). */
static int keywordCode(const char *z, int n, int *pType){
  int i, j;
  const char *zKW;
................................................................................
      testcase( i==18 ); /* SELECT */
      testcase( i==19 ); /* TABLE */
      testcase( i==20 ); /* LEFT */
      testcase( i==21 ); /* THEN */
      testcase( i==22 ); /* END */
      testcase( i==23 ); /* DEFERRABLE */
      testcase( i==24 ); /* ELSE */
      testcase( i==25 ); /* EXCEPT */
      testcase( i==26 ); /* TRANSACTION */
      testcase( i==27 ); /* ACTION */
      testcase( i==28 ); /* ON */
      testcase( i==29 ); /* NATURAL */
      testcase( i==30 ); /* ALTER */
      testcase( i==31 ); /* RAISE */
      testcase( i==32 ); /* EXCLUSIVE */
      testcase( i==33 ); /* EXISTS */
      testcase( i==34 ); /* SAVEPOINT */
      testcase( i==35 ); /* INTERSECT */
      testcase( i==36 ); /* TRIGGER */
      testcase( i==37 ); /* REFERENCES */
      testcase( i==38 ); /* CONSTRAINT */
      testcase( i==39 ); /* INTO */
      testcase( i==40 ); /* OFFSET */
      testcase( i==41 ); /* OF */
      testcase( i==42 ); /* SET */
      testcase( i==43 ); /* TEMPORARY */
      testcase( i==44 ); /* TEMP */
      testcase( i==45 ); /* OR */
      testcase( i==46 ); /* UNIQUE */
      testcase( i==47 ); /* QUERY */
      testcase( i==48 ); /* WITHOUT */
      testcase( i==49 ); /* WITH */
      testcase( i==50 ); /* OUTER */
      testcase( i==51 ); /* RELEASE */
      testcase( i==52 ); /* ATTACH */
      testcase( i==53 ); /* HAVING */
      testcase( i==54 ); /* GROUP */
      testcase( i==55 ); /* UPDATE */
      testcase( i==56 ); /* BEGIN */
      testcase( i==57 ); /* INNER */
      testcase( i==58 ); /* RANGE */
      testcase( i==59 ); /* BETWEEN */
      testcase( i==60 ); /* NOTHING */
      testcase( i==61 ); /* GLOB */
      testcase( i==62 ); /* BY */
      testcase( i==63 ); /* CASCADE */
      testcase( i==64 ); /* ASC */
      testcase( i==65 ); /* DELETE */
      testcase( i==66 ); /* CASE */
      testcase( i==67 ); /* COLLATE */
      testcase( i==68 ); /* CREATE */
      testcase( i==69 ); /* CURRENT_DATE */
      testcase( i==70 ); /* DETACH */
      testcase( i==71 ); /* IMMEDIATE */
      testcase( i==72 ); /* JOIN */
      testcase( i==73 ); /* INSERT */
      testcase( i==74 ); /* LIKE */
      testcase( i==75 ); /* MATCH */
      testcase( i==76 ); /* PLAN */
      testcase( i==77 ); /* ANALYZE */
      testcase( i==78 ); /* PRAGMA */
      testcase( i==79 ); /* ABORT */
      testcase( i==80 ); /* VALUES */
      testcase( i==81 ); /* VIRTUAL */
      testcase( i==82 ); /* LIMIT */
      testcase( i==83 ); /* WHEN */
      testcase( i==84 ); /* NOTNULL */
      testcase( i==85 ); /* NOT */
      testcase( i==86 ); /* NO */
      testcase( i==87 ); /* NULL */
      testcase( i==88 ); /* WHERE */
      testcase( i==89 ); /* RECURSIVE */
      testcase( i==90 ); /* AFTER */
      testcase( i==91 ); /* RENAME */
      testcase( i==92 ); /* AND */
      testcase( i==93 ); /* DEFAULT */
      testcase( i==94 ); /* AUTOINCREMENT */
      testcase( i==95 ); /* TO */
      testcase( i==96 ); /* IN */
      testcase( i==97 ); /* CAST */
      testcase( i==98 ); /* COLUMN */
      testcase( i==99 ); /* COMMIT */
      testcase( i==100 ); /* CONFLICT */
      testcase( i==101 ); /* CROSS */
      testcase( i==102 ); /* CURRENT_TIMESTAMP */
      testcase( i==103 ); /* CURRENT_TIME */
      testcase( i==104 ); /* CURRENT */
      testcase( i==105 ); /* PARTITION */
      testcase( i==106 ); /* DEFERRED */
      testcase( i==107 ); /* DISTINCT */
      testcase( i==108 ); /* IS */
      testcase( i==109 ); /* DROP */
      testcase( i==110 ); /* PRECEDING */
      testcase( i==111 ); /* FAIL */
      testcase( i==112 ); /* FILTER */
      testcase( i==113 ); /* REPLACE */
      testcase( i==114 ); /* FOLLOWING */
      testcase( i==115 ); /* FROM */
      testcase( i==116 ); /* FULL */
      testcase( i==117 ); /* IF */
      testcase( i==118 ); /* ISNULL */
      testcase( i==119 ); /* ORDER */
      testcase( i==120 ); /* RESTRICT */
      testcase( i==121 ); /* OVER */
      testcase( i==122 ); /* RIGHT */
      testcase( i==123 ); /* ROLLBACK */
      testcase( i==124 ); /* ROWS */
      testcase( i==125 ); /* ROW */
      testcase( i==126 ); /* UNBOUNDED */
      testcase( i==127 ); /* UNION */
      testcase( i==128 ); /* USING */
      testcase( i==129 ); /* VACUUM */
      testcase( i==130 ); /* VIEW */
      testcase( i==131 ); /* WINDOW */
      testcase( i==132 ); /* DO */
      testcase( i==133 ); /* INITIALLY */
      testcase( i==134 ); /* ALL */
      testcase( i==135 ); /* PRIMARY */




      *pType = aKWCode[i];
      break;
    }
  }
  return n;
}
SQLITE_PRIVATE int sqlite3KeywordCode(const unsigned char *z, int n){
  int id = TK_ID;
  keywordCode((char*)z, n, &id);
  return id;
}
#define SQLITE_N_KEYWORD 136
SQLITE_API int sqlite3_keyword_name(int i,const char **pzName,int *pnName){
  if( i<0 || i>=SQLITE_N_KEYWORD ) return SQLITE_ERROR;
  *pzName = zKWText + aKWOffset[i];
  *pnName = aKWLen[i];
  return SQLITE_OK;
}
SQLITE_API int sqlite3_keyword_count(void){ return SQLITE_N_KEYWORD; }
................................................................................
  int tokenType;                  /* type of the next token */
  int lastTokenParsed = -1;       /* type of the previous token */
  sqlite3 *db = pParse->db;       /* The database connection */
  int mxSqlLen;                   /* Max length of an SQL string */
#ifdef sqlite3Parser_ENGINEALWAYSONSTACK
  yyParser sEngine;    /* Space to hold the Lemon-generated Parser object */
#endif


  assert( zSql!=0 );
  mxSqlLen = db->aLimit[SQLITE_LIMIT_SQL_LENGTH];
  if( db->nVdbeActive==0 ){
    db->u1.isInterrupted = 0;
  }
  pParse->rc = SQLITE_OK;
................................................................................
    return SQLITE_NOMEM_BKPT;
  }
#endif
  assert( pParse->pNewTable==0 );
  assert( pParse->pNewTrigger==0 );
  assert( pParse->nVar==0 );
  assert( pParse->pVList==0 );


  while( 1 ){
    n = sqlite3GetToken((u8*)zSql, &tokenType);
    mxSqlLen -= n;
    if( mxSqlLen<0 ){
      pParse->rc = SQLITE_TOOBIG;
      break;
    }
................................................................................
      }
    }
    pParse->sLastToken.z = zSql;
    pParse->sLastToken.n = n;
    sqlite3Parser(pEngine, tokenType, pParse->sLastToken);
    lastTokenParsed = tokenType;
    zSql += n;

    if( pParse->rc!=SQLITE_OK || db->mallocFailed ) break;
  }
  assert( nErr==0 );
#ifdef YYTRACKMAXSTACKDEPTH
  sqlite3_mutex_enter(sqlite3MallocMutex());
  sqlite3StatusHighwater(SQLITE_STATUS_PARSER_STACK,
      sqlite3ParserStackPeak(pEngine)
  );
................................................................................
    sqlite3DbFreeNN(db, p);
  }
  while( pParse->pZombieTab ){
    Table *p = pParse->pZombieTab;
    pParse->pZombieTab = p->pNextZombie;
    sqlite3DeleteTable(db, p);
  }


  assert( nErr==0 || pParse->rc!=SQLITE_OK );
  return nErr;
}


#ifdef SQLITE_ENABLE_NORMALIZE
/*
................................................................................
  if( sz<=(int)sizeof(LookasideSlot*) ) sz = 0;
  if( cnt<0 ) cnt = 0;
  if( sz==0 || cnt==0 ){
    sz = 0;
    pStart = 0;
  }else if( pBuf==0 ){
    sqlite3BeginBenignMalloc();
    pStart = sqlite3Malloc( sz*cnt );  /* IMP: R-61949-35727 */
    sqlite3EndBenignMalloc();
    if( pStart ) cnt = sqlite3MallocSize(pStart)/sz;
  }else{
    pStart = pBuf;
  }
  db->lookaside.pStart = pStart;
  db->lookaside.pInit = 0;
................................................................................
        { SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER, SQLITE_Fts3Tokenizer  },
        { SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION, SQLITE_LoadExtension  },
        { SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE,      SQLITE_NoCkptOnClose  },
        { SQLITE_DBCONFIG_ENABLE_QPSG,           SQLITE_EnableQPSG     },
        { SQLITE_DBCONFIG_TRIGGER_EQP,           SQLITE_TriggerEQP     },
        { SQLITE_DBCONFIG_RESET_DATABASE,        SQLITE_ResetDatabase  },
        { SQLITE_DBCONFIG_DEFENSIVE,             SQLITE_Defensive      },


      };
      unsigned int i;
      rc = SQLITE_ERROR; /* IMP: R-42790-23372 */
      for(i=0; i<ArraySize(aFlagOp); i++){
        if( aFlagOp[i].op==op ){
          int onoff = va_arg(ap, int);
          int *pRes = va_arg(ap, int*);
................................................................................
    if( !isFirstTerm ){
      zCsr += fts3GetVarint32(zCsr, &nPrefix);
    }
    isFirstTerm = 0;
    zCsr += fts3GetVarint32(zCsr, &nSuffix);
    
    assert( nPrefix>=0 && nSuffix>=0 );
    if( nPrefix>zCsr-zNode || nSuffix>zEnd-zCsr ){
      rc = FTS_CORRUPT_VTAB;
      goto finish_scan;
    }
    if( (i64)nPrefix+nSuffix>nAlloc ){
      char *zNew;
      nAlloc = ((i64)nPrefix+nSuffix) * 2;
      zNew = (char *)sqlite3_realloc64(zBuffer, nAlloc);
................................................................................

  pHash = (Fts3Hash *)sqlite3_user_data(context);

  zName = sqlite3_value_text(argv[0]);
  nName = sqlite3_value_bytes(argv[0])+1;

  if( argc==2 ){
    if( fts3TokenizerEnabled(context) ){
      void *pOld;
      int n = sqlite3_value_bytes(argv[1]);
      if( zName==0 || n!=sizeof(pPtr) ){
        sqlite3_result_error(context, "argument type mismatch", -1);
        return;
      }
      pPtr = *(void **)sqlite3_value_blob(argv[1]);
................................................................................
    if( !pPtr ){
      char *zErr = sqlite3_mprintf("unknown tokenizer: %s", zName);
      sqlite3_result_error(context, zErr, -1);
      sqlite3_free(zErr);
      return;
    }
  }

  sqlite3_result_blob(context, (void *)&pPtr, sizeof(pPtr), SQLITE_TRANSIENT);

}

SQLITE_PRIVATE int sqlite3Fts3IsIdChar(char c){
  static const char isFtsIdChar[] = {
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  /* 0x */
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  /* 1x */
      0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  /* 2x */
................................................................................
    sqlite3Fts3ErrMsg(pzErr, "unknown tokenizer: %s", z);
    rc = SQLITE_ERROR;
  }else{
    char const **aArg = 0;
    int iArg = 0;
    z = &z[n+1];
    while( z<zEnd && (NULL!=(z = (char *)sqlite3Fts3NextToken(z, &n))) ){
      int nNew = sizeof(char *)*(iArg+1);
      char const **aNew = (const char **)sqlite3_realloc((void *)aArg, nNew);
      if( !aNew ){
        sqlite3_free(zCopy);
        sqlite3_free((void *)aArg);
        return SQLITE_NOMEM;
      }
      aArg = aNew;
      aArg[iArg++] = z;
................................................................................
  UNUSED_PARAMETER(idxStr);
  UNUSED_PARAMETER(nVal);

  fts3tokResetCursor(pCsr);
  if( idxNum==1 ){
    const char *zByte = (const char *)sqlite3_value_text(apVal[0]);
    int nByte = sqlite3_value_bytes(apVal[0]);
    pCsr->zInput = sqlite3_malloc(nByte+1);
    if( pCsr->zInput==0 ){
      rc = SQLITE_NOMEM;
    }else{
      memcpy(pCsr->zInput, zByte, nByte);
      pCsr->zInput[nByte] = 0;
      rc = pTab->pMod->xOpen(pTab->pTok, pCsr->zInput, nByte, &pCsr->pCsr);
      if( rc==SQLITE_OK ){
................................................................................
      return SQLITE_OK;
    }

    fts3SegReaderSetEof(pReader);

    /* If iCurrentBlock>=iLeafEndBlock, this is an EOF condition. All leaf 
    ** blocks have already been traversed.  */

    assert( pReader->iCurrentBlock<=pReader->iLeafEndBlock );

    if( pReader->iCurrentBlock>=pReader->iLeafEndBlock ){
      return SQLITE_OK;
    }

    rc = sqlite3Fts3ReadBlock(
        p, ++pReader->iCurrentBlock, &pReader->aNode, &pReader->nNode, 
        (bIncr ? &pReader->nPopulate : 0)
................................................................................
    if( pE ){
      aElem = &pE;
      nElem = 1;
    }
  }

  if( nElem>0 ){

    int nByte = sizeof(Fts3SegReader) + (nElem+1)*sizeof(Fts3HashElem *);
    pReader = (Fts3SegReader *)sqlite3_malloc(nByte);
    if( !pReader ){
      rc = SQLITE_NOMEM;
    }else{
      memset(pReader, 0, nByte);
      pReader->iIdx = 0x7FFFFFFF;
      pReader->ppNextElem = (Fts3HashElem **)&pReader[1];
      memcpy(pReader->ppNextElem, aElem, nElem*sizeof(Fts3HashElem *));
................................................................................
    iNewLevel = getAbsoluteLevel(p, iLangid, iIndex, iLevel+1);
    rc = fts3AllocateSegdirIdx(p, iLangid, iIndex, iLevel+1, &iIdx);
    bIgnoreEmpty = (iLevel!=FTS3_SEGCURSOR_PENDING) && (iNewLevel>iMaxLevel);
  }
  if( rc!=SQLITE_OK ) goto finished;

  assert( csr.nSegment>0 );
  assert( iNewLevel>=getAbsoluteLevel(p, iLangid, iIndex, 0) );

  assert( iNewLevel<getAbsoluteLevel(p, iLangid, iIndex,FTS3_SEGDIR_MAXLEVEL) );


  memset(&filter, 0, sizeof(Fts3SegFilter));
  filter.flags = FTS3_SEGMENT_REQUIRE_POS;
  filter.flags |= (bIgnoreEmpty ? FTS3_SEGMENT_IGNORE_EMPTY : 0);

  rc = sqlite3Fts3SegReaderStart(p, &csr, &filter);
  while( SQLITE_OK==rc ){
................................................................................
){
  char *pBlob;             /* The BLOB encoding of the document size */
  int nBlob;               /* Number of bytes in the BLOB */
  sqlite3_stmt *pStmt;     /* Statement used to insert the encoding */
  int rc;                  /* Result code from subfunctions */

  if( *pRC ) return;
  pBlob = sqlite3_malloc( 10*p->nColumn );
  if( pBlob==0 ){
    *pRC = SQLITE_NOMEM;
    return;
  }
  fts3EncodeIntArray(p->nColumn, aSz, pBlob, &nBlob);
  rc = fts3SqlStmt(p, SQL_REPLACE_DOCSIZE, &pStmt, 0);
  if( rc ){
................................................................................
  sqlite3_stmt *pStmt;     /* Statement for reading and writing */
  int i;                   /* Loop counter */
  int rc;                  /* Result code from subfunctions */

  const int nStat = p->nColumn+2;

  if( *pRC ) return;
  a = sqlite3_malloc( (sizeof(u32)+10)*nStat );
  if( a==0 ){
    *pRC = SQLITE_NOMEM;
    return;
  }
  pBlob = (char*)&a[nStat];
  rc = fts3SqlStmt(p, SQL_SELECT_STAT, &pStmt, 0);
  if( rc ){
................................................................................
      rc = SQLITE_NOMEM;
    }else{
      rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
      sqlite3_free(zSql);
    }

    if( rc==SQLITE_OK ){
      int nByte = sizeof(u32) * (p->nColumn+1)*3;
      aSz = (u32 *)sqlite3_malloc(nByte);
      if( aSz==0 ){
        rc = SQLITE_NOMEM;
      }else{
        memset(aSz, 0, nByte);
        aSzIns = &aSz[p->nColumn+1];
        aSzDel = &aSzIns[p->nColumn+1];
      }
................................................................................
  Fts3Table *p,                   /* FTS3 table handle */
  sqlite3_int64 iAbsLevel,        /* Absolute level to open */
  int nSeg,                       /* Number of segments to merge */
  Fts3MultiSegReader *pCsr        /* Cursor object to populate */
){
  int rc;                         /* Return Code */
  sqlite3_stmt *pStmt = 0;        /* Statement used to read %_segdir entry */  
  int nByte;                      /* Bytes allocated at pCsr->apSegment[] */

  /* Allocate space for the Fts3MultiSegReader.aCsr[] array */
  memset(pCsr, 0, sizeof(*pCsr));
  nByte = sizeof(Fts3SegReader *) * nSeg;
  pCsr->apSegment = (Fts3SegReader **)sqlite3_malloc(nByte);

  if( pCsr->apSegment==0 ){
    rc = SQLITE_NOMEM;
  }else{
    memset(pCsr->apSegment, 0, nByte);
    rc = fts3SqlStmt(p, SQL_SELECT_LEVEL, &pStmt, 0);
  }
................................................................................

  if( nArg>1 && sqlite3_value_int(apVal[2 + p->nColumn + 2])<0 ){
    rc = SQLITE_CONSTRAINT;
    goto update_out;
  }

  /* Allocate space to hold the change in document sizes */
  aSzDel = sqlite3_malloc( sizeof(aSzDel[0])*(p->nColumn+1)*2 );
  if( aSzDel==0 ){
    rc = SQLITE_NOMEM;
    goto update_out;
  }
  aSzIns = &aSzDel[p->nColumn+1];
  memset(aSzDel, 0, sizeof(aSzDel[0])*(p->nColumn+1)*2);

................................................................................
/*************************************************************************
** Start of MatchinfoBuffer code.
*/

/*
** Allocate a two-slot MatchinfoBuffer object.
*/
static MatchinfoBuffer *fts3MIBufferNew(int nElem, const char *zMatchinfo){
  MatchinfoBuffer *pRet;
  int nByte = sizeof(u32) * (2*nElem + 1) + sizeof(MatchinfoBuffer);
  int nStr = (int)strlen(zMatchinfo);


  pRet = sqlite3_malloc(nByte + nStr+1);
  if( pRet ){
    memset(pRet, 0, nByte);
    pRet->aMatchinfo[0] = (u8*)(&pRet->aMatchinfo[1]) - (u8*)pRet;
    pRet->aMatchinfo[1+nElem] = pRet->aMatchinfo[0] + sizeof(u32)*(nElem+1);

    pRet->nElem = nElem;
    pRet->zMatchinfo = ((char*)pRet) + nByte;
    memcpy(pRet->zMatchinfo, zMatchinfo, nStr+1);
    pRet->aRef[0] = 1;
  }

  return pRet;
}
................................................................................

  for(i=0; i<pIter->nPhrase; i++){
    SnippetPhrase *pPhrase = &pIter->aPhrase[i];
    if( pPhrase->pTail ){
      char *pCsr = pPhrase->pTail;
      int iCsr = pPhrase->iTail;

      while( iCsr<(iStart+pIter->nSnippet) ){
        int j;
        u64 mPhrase = (u64)1 << i;
        u64 mPos = (u64)1 << (iCsr - iStart);
        assert( iCsr>=iStart && (iCsr - iStart)<=64 );
        assert( i>=0 && i<=64 );
        if( (mCover|mCovered)&mPhrase ){
          iScore++;
................................................................................
  ){
    return SQLITE_OK;
  }
  sqlite3Fts3ErrMsg(pzErr, "unrecognized matchinfo request: %c", cArg);
  return SQLITE_ERROR;
}

static int fts3MatchinfoSize(MatchInfo *pInfo, char cArg){
  int nVal;                       /* Number of integers output by cArg */

  switch( cArg ){
    case FTS3_MATCHINFO_NDOC:
    case FTS3_MATCHINFO_NPHRASE: 
    case FTS3_MATCHINFO_NCOL: 
      nVal = 1;
      break;
................................................................................
        if( rc==SQLITE_OK ){
          rc = fts3MatchinfoLcs(pCsr, pInfo);
        }
        break;

      case FTS3_MATCHINFO_LHITS_BM:
      case FTS3_MATCHINFO_LHITS: {
        int nZero = fts3MatchinfoSize(pInfo, zArg[i]) * sizeof(u32);
        memset(pInfo->aMatchinfo, 0, nZero);
        rc = fts3ExprLHitGather(pCsr->pExpr, pInfo);
        break;
      }

      default: {
        Fts3Expr *pExpr;
................................................................................

  /* If Fts3Cursor.pMIBuffer is NULL, then this is the first time the
  ** matchinfo function has been called for this query. In this case 
  ** allocate the array used to accumulate the matchinfo data and
  ** initialize those elements that are constant for every row.
  */
  if( pCsr->pMIBuffer==0 ){
    int nMatchinfo = 0;           /* Number of u32 elements in match-info */
    int i;                        /* Used to iterate through zArg */

    /* Determine the number of phrases in the query */
    pCsr->nPhrase = fts3ExprPhraseCount(pCsr->pExpr);
    sInfo.nPhrase = pCsr->nPhrase;

    /* Determine the number of integers in the buffer returned by this call. */
................................................................................
  int rc;

  UNUSED_PARAMETER(iPhrase);
  rc = sqlite3Fts3EvalPhrasePoslist(p->pCsr, pExpr, p->iCol, &pList);
  nTerm = pExpr->pPhrase->nToken;
  if( pList ){
    fts3GetDeltaPosition(&pList, &iPos);
    assert( iPos>=0 );
  }

  for(iTerm=0; iTerm<nTerm; iTerm++){
    TermOffset *pT = &p->aTerm[p->iTerm++];
    pT->iOff = nTerm-iTerm-1;
    pT->pList = pList;
    pT->iPos = iPos;
................................................................................
        }
      }

      if( !pTerm ){
        /* All offsets for this column have been gathered. */
        rc = SQLITE_DONE;
      }else{
        assert( iCurrent<=iMinPos );
        if( 0==(0xFE&*pTerm->pList) ){
          pTerm->pList = 0;
        }else{
          fts3GetDeltaPosition(&pTerm->pList, &pTerm->iPos);
        }
        while( rc==SQLITE_OK && iCurrent<iMinPos ){
          rc = pMod->xNext(pC, &ZDUMMY, &NDUMMY, &iStart, &iEnd, &iCurrent);
................................................................................
**
** The human readable string takes the form of a Tcl list with one
** entry for each cell in the r-tree node. Each entry is itself a
** list, containing the 8-byte rowid/pageno followed by the 
** <num-dimension>*2 coordinates.
*/
static void rtreenode(sqlite3_context *ctx, int nArg, sqlite3_value **apArg){
  char *zText = 0;
  RtreeNode node;
  Rtree tree;
  int ii;




  UNUSED_PARAMETER(nArg);
  memset(&node, 0, sizeof(RtreeNode));
  memset(&tree, 0, sizeof(Rtree));
  tree.nDim = (u8)sqlite3_value_int(apArg[0]);

  tree.nDim2 = tree.nDim*2;
  tree.nBytesPerCell = 8 + 8 * tree.nDim;
  node.zData = (u8 *)sqlite3_value_blob(apArg[1]);





  for(ii=0; ii<NCELL(&node); ii++){
    char zCell[512];
    int nCell = 0;
    RtreeCell cell;
    int jj;

    nodeGetCell(&tree, &node, ii, &cell);

    sqlite3_snprintf(512-nCell,&zCell[nCell],"%lld", cell.iRowid);
    nCell = (int)strlen(zCell);
    for(jj=0; jj<tree.nDim2; jj++){
#ifndef SQLITE_RTREE_INT_ONLY
      sqlite3_snprintf(512-nCell,&zCell[nCell], " %g",
                       (double)cell.aCoord[jj].f);
#else
      sqlite3_snprintf(512-nCell,&zCell[nCell], " %d",
                       cell.aCoord[jj].i);
#endif
      nCell = (int)strlen(zCell);
    }


    if( zText ){
      char *zTextNew = sqlite3_mprintf("%s {%s}", zText, zCell);
      sqlite3_free(zText);
      zText = zTextNew;
    }else{
      zText = sqlite3_mprintf("{%s}", zCell);
    }
  }
  

  sqlite3_result_text(ctx, zText, -1, sqlite3_free);

}

/* This routine implements an SQL function that returns the "depth" parameter
** from the front of a blob that is an r-tree node.  For example:
**
**     SELECT rtreedepth(data) FROM rt_node WHERE nodeno=1;
**
................................................................................
     && s.a[0]==s.a[s.nVertex*2-2]
     && s.a[1]==s.a[s.nVertex*2-1]
     && (s.z++, geopolySkipSpace(&s)==0)
    ){
      GeoPoly *pOut;
      int x = 1;
      s.nVertex--;  /* Remove the redundant vertex at the end */
      pOut = sqlite3_malloc64( GEOPOLY_SZ(s.nVertex) );
      x = 1;
      if( pOut==0 ) goto parse_json_err;
      pOut->nVertex = s.nVertex;
      memcpy(pOut->a, s.a, s.nVertex*2*sizeof(GeoCoord));
      pOut->hdr[0] = *(unsigned char*)&x;
      pOut->hdr[1] = (s.nVertex>>16)&0xff;
      pOut->hdr[2] = (s.nVertex>>8)&0xff;
................................................................................
      r = GeoY(p,ii);
      if( r<mnY ) mnY = (float)r;
      else if( r>mxY ) mxY = (float)r;
    }
    if( pRc ) *pRc = SQLITE_OK;
    if( aCoord==0 ){
      geopolyBboxFill:
      pOut = sqlite3_realloc(p, GEOPOLY_SZ(4));
      if( pOut==0 ){
        sqlite3_free(p);
        if( context ) sqlite3_result_error_nomem(context);
        if( pRc ) *pRc = SQLITE_NOMEM;
        return 0;
      }
      pOut->nVertex = 4;
................................................................................
  return p;
}

/*
** Determine the overlap between two polygons
*/
static int geopolyOverlap(GeoPoly *p1, GeoPoly *p2){
  int nVertex = p1->nVertex + p2->nVertex + 2;
  GeoOverlap *p;
  int nByte;
  GeoEvent *pThisEvent;
  double rX;
  int rc = 0;
  int needSort = 0;
  GeoSegment *pActive = 0;
  GeoSegment *pSeg;
  unsigned char aOverlap[4];

  nByte = sizeof(GeoEvent)*nVertex*2 
           + sizeof(GeoSegment)*nVertex 
           + sizeof(GeoOverlap);
  p = sqlite3_malloc( nByte );
  if( p==0 ) return -1;
  p->aEvent = (GeoEvent*)&p[1];
  p->aSegment = (GeoSegment*)&p->aEvent[nVertex*2];
  p->nEvent = p->nSegment = 0;
  geopolyAddSegments(p, p1, 1);
  geopolyAddSegments(p, p2, 2);
  pThisEvent = geopolySortEventsByX(p->aEvent, p->nEvent);
................................................................................
  int argc, const char *const*argv,   /* Parameters to CREATE TABLE statement */
  sqlite3_vtab **ppVtab,              /* OUT: New virtual table */
  char **pzErr,                       /* OUT: Error message, if any */
  int isCreate                        /* True for xCreate, false for xConnect */
){
  int rc = SQLITE_OK;
  Rtree *pRtree;
  int nDb;              /* Length of string argv[1] */
  int nName;            /* Length of string argv[2] */
  sqlite3_str *pSql;
  char *zSql;
  int ii;

  sqlite3_vtab_config(db, SQLITE_VTAB_CONSTRAINT_SUPPORT, 1);

  /* Allocate the sqlite3_vtab structure */
  nDb = (int)strlen(argv[1]);
  nName = (int)strlen(argv[2]);
  pRtree = (Rtree *)sqlite3_malloc(sizeof(Rtree)+nDb+nName+2);
  if( !pRtree ){
    return SQLITE_NOMEM;
  }
  memset(pRtree, 0, sizeof(Rtree)+nDb+nName+2);
  pRtree->nBusy = 1;
  pRtree->base.pModule = &rtreeModule;
  pRtree->zDb = (char *)&pRtree[1];
................................................................................
**     * a special "cleanup table" state.
**
** abIndexed:
**   If the table has no indexes on it, abIndexed is set to NULL. Otherwise,
**   it points to an array of flags nTblCol elements in size. The flag is
**   set for each column that is either a part of the PK or a part of an
**   index. Or clear otherwise.





**   
*/
struct RbuObjIter {
  sqlite3_stmt *pTblIter;         /* Iterate through tables */
  sqlite3_stmt *pIdxIter;         /* Index iterator */
  int nTblCol;                    /* Size of azTblCol[] array */
  char **azTblCol;                /* Array of unquoted target column names */
................................................................................

  aOut = sqlite3_malloc(nOut+1);
  if( aOut==0 ){
    sqlite3_result_error_nomem(context);
  }else{
    nOut2 = rbuDeltaApply(aOrig, nOrig, aDelta, nDelta, aOut);
    if( nOut2!=nOut ){

      sqlite3_result_error(context, "corrupt fossil delta", -1);
    }else{
      sqlite3_result_blob(context, aOut, nOut, sqlite3_free);
    }
  }
}

................................................................................
**
** If an error (i.e. an OOM condition) occurs, return NULL and leave an 
** error code in the rbu handle passed as the first argument. Or, if an 
** error has already occurred when this function is called, return NULL 
** immediately without attempting the allocation or modifying the stored
** error code.
*/
static void *rbuMalloc(sqlite3rbu *p, int nByte){
  void *pRet = 0;
  if( p->rc==SQLITE_OK ){
    assert( nByte>0 );
    pRet = sqlite3_malloc64(nByte);
    if( pRet==0 ){
      p->rc = SQLITE_NOMEM;
    }else{
................................................................................

/*
** Allocate and zero the pIter->azTblCol[] and abTblPk[] arrays so that
** there is room for at least nCol elements. If an OOM occurs, store an
** error code in the RBU handle passed as the first argument.
*/
static void rbuAllocateIterArrays(sqlite3rbu *p, RbuObjIter *pIter, int nCol){
  int nByte = (2*sizeof(char*) + sizeof(int) + 3*sizeof(u8)) * nCol;
  char **azNew;

  azNew = (char**)rbuMalloc(p, nByte);
  if( azNew ){
    pIter->azTblCol = azNew;
    pIter->azTblType = &azNew[nCol];
    pIter->aiSrcOrder = (int*)&pIter->azTblType[nCol];
................................................................................
        sqlite3_mprintf("PRAGMA main.index_list = %Q", pIter->zTbl)
    );
  }

  pIter->nIndex = 0;
  while( p->rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pList) ){
    const char *zIdx = (const char*)sqlite3_column_text(pList, 1);

    sqlite3_stmt *pXInfo = 0;
    if( zIdx==0 ) break;



    p->rc = prepareFreeAndCollectError(p->dbMain, &pXInfo, &p->zErrmsg,
        sqlite3_mprintf("PRAGMA main.index_xinfo = %Q", zIdx)
    );
    while( p->rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pXInfo) ){
      int iCid = sqlite3_column_int(pXInfo, 1);
      if( iCid>=0 ) pIter->abIndexed[iCid] = 1;
    }
................................................................................
** string, an error code is left in the rbu handle passed as the first
** argument and NULL is returned. Or, if an error has already occurred
** when this function is called, NULL is returned immediately, without
** attempting the allocation or modifying the stored error code.
*/
static char *rbuObjIterGetBindlist(sqlite3rbu *p, int nBind){
  char *zRet = 0;
  int nByte = nBind*2 + 1;

  zRet = (char*)rbuMalloc(p, nByte);
  if( zRet ){
    int i;
    for(i=0; i<nBind; i++){
      zRet[i*2] = '?';
      zRet[i*2+1] = (i+1==nBind) ? '\0' : ',';
................................................................................
    rc = sqlite3_reset(p->objiter.pTmpInsert);
  }

  if( rc!=SQLITE_OK ){
    sqlite3_result_error_code(pCtx, rc);
  }
}

























































/*
** Ensure that the SQLite statement handles required to update the 
** target database object currently indicated by the iterator passed 
** as the second argument are available.
*/
static int rbuObjIterPrepareAll(
................................................................................

    if( zIdx ){
      const char *zTbl = pIter->zTbl;
      char *zImposterCols = 0;    /* Columns for imposter table */
      char *zImposterPK = 0;      /* Primary key declaration for imposter */
      char *zWhere = 0;           /* WHERE clause on PK columns */
      char *zBind = 0;

      int nBind = 0;

      assert( pIter->eType!=RBU_PK_VTAB );
      zCollist = rbuObjIterGetIndexCols(
          p, pIter, &zImposterCols, &zImposterPK, &zWhere, &nBind
      );
      zBind = rbuObjIterGetBindlist(p, nBind);


      /* Create the imposter table used to write to this index. */
      sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->dbMain, "main", 0, 1);
      sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->dbMain, "main", 1,tnum);
      rbuMPrintfExec(p, p->dbMain,
          "CREATE TABLE \"rbu_imp_%w\"( %s, PRIMARY KEY( %s ) ) WITHOUT ROWID",
          zTbl, zImposterCols, zImposterPK
................................................................................
      }

      /* Create the SELECT statement to read keys in sorted order */
      if( p->rc==SQLITE_OK ){
        char *zSql;
        if( rbuIsVacuum(p) ){
          zSql = sqlite3_mprintf(
              "SELECT %s, 0 AS rbu_control FROM '%q' ORDER BY %s%s",
              zCollist, 
              pIter->zDataTbl,
              zCollist, zLimit
          );
        }else

        if( pIter->eType==RBU_PK_EXTERNAL || pIter->eType==RBU_PK_NONE ){
          zSql = sqlite3_mprintf(
              "SELECT %s, rbu_control FROM %s.'rbu_tmp_%q' ORDER BY %s%s",
              zCollist, p->zStateDb, pIter->zDataTbl,
              zCollist, zLimit
          );
        }else{
          zSql = sqlite3_mprintf(
              "SELECT %s, rbu_control FROM %s.'rbu_tmp_%q' "
              "UNION ALL "
              "SELECT %s, rbu_control FROM '%q' "
              "WHERE typeof(rbu_control)='integer' AND rbu_control!=1 "
              "ORDER BY %s%s",
              zCollist, p->zStateDb, pIter->zDataTbl, 
              zCollist, pIter->zDataTbl, 


              zCollist, zLimit
          );
        }
        p->rc = prepareFreeAndCollectError(p->dbRbu, &pIter->pSelect, pz, zSql);
      }

      sqlite3_free(zImposterCols);
      sqlite3_free(zImposterPK);
      sqlite3_free(zWhere);
      sqlite3_free(zBind);

    }else{
      int bRbuRowid = (pIter->eType==RBU_PK_VTAB)
                    ||(pIter->eType==RBU_PK_NONE)
                    ||(pIter->eType==RBU_PK_EXTERNAL && rbuIsVacuum(p));
      const char *zTbl = pIter->zTbl;       /* Table this step applies to */
      const char *zWrite;                   /* Imposter table name */

................................................................................

  /* If not in RBU_STAGE_OAL, allow this call to pass through. Or, if this
  ** rbu is in the RBU_STAGE_OAL state, use heap memory for *-shm space 
  ** instead of a file on disk.  */
  assert( p->openFlags & (SQLITE_OPEN_MAIN_DB|SQLITE_OPEN_TEMP_DB) );
  if( eStage==RBU_STAGE_OAL || eStage==RBU_STAGE_MOVE ){
    if( iRegion<=p->nShm ){
      int nByte = (iRegion+1) * sizeof(char*);
      char **apNew = (char**)sqlite3_realloc64(p->apShm, nByte);
      if( apNew==0 ){
        rc = SQLITE_NOMEM;
      }else{
        memset(&apNew[p->nShm], 0, sizeof(char*) * (1 + iRegion - p->nShm));
        p->apShm = apNew;
        p->nShm = iRegion+1;
................................................................................
** Growing the hash table in this case is a performance optimization only,
** it is not required for correct operation.
*/
static int sessionGrowHash(int bPatchset, SessionTable *pTab){
  if( pTab->nChange==0 || pTab->nEntry>=(pTab->nChange/2) ){
    int i;
    SessionChange **apNew;
    int nNew = (pTab->nChange ? pTab->nChange : 128) * 2;

    apNew = (SessionChange **)sqlite3_malloc64(sizeof(SessionChange *) * nNew);
    if( apNew==0 ){
      if( pTab->nChange==0 ){
        return SQLITE_ERROR;
      }
      return SQLITE_OK;
................................................................................
/*
** Ensure that there is room in the buffer to append nByte bytes of data.
** If not, use sqlite3_realloc() to grow the buffer so that there is.
**
** If successful, return zero. Otherwise, if an OOM condition is encountered,
** set *pRc to SQLITE_NOMEM and return non-zero.
*/
static int sessionBufferGrow(SessionBuffer *p, int nByte, int *pRc){
  if( *pRc==SQLITE_OK && p->nAlloc-p->nBuf<nByte ){
    u8 *aNew;
    i64 nNew = p->nAlloc ? p->nAlloc : 128;
    do {
      nNew = nNew*2;
    }while( (nNew-p->nBuf)<nByte );

................................................................................
      sessionBufferGrow(&p->tblhdr, nByte, &rc);
    }else{
      rc = SQLITE_CORRUPT_BKPT;
    }
  }

  if( rc==SQLITE_OK ){
    int iPK = sizeof(sqlite3_value*)*p->nCol*2;
    memset(p->tblhdr.aBuf, 0, iPK);
    memcpy(&p->tblhdr.aBuf[iPK], &p->in.aData[p->in.iNext], nCopy);
    p->in.iNext += nCopy;
  }

  p->apValue = (sqlite3_value**)p->tblhdr.aBuf;
  p->abPK = (u8*)&p->apValue[p->nCol*2];
................................................................................
    if( rc!=SQLITE_ROW ) rc = sqlite3_reset(pSelect);
  }

  return rc;
}

/*
** This function is called from within sqlite3changset_apply_v2() when
** a conflict is encountered and resolved using conflict resolution
** mode eType (either SQLITE_CHANGESET_OMIT or SQLITE_CHANGESET_REPLACE)..
** It adds a conflict resolution record to the buffer in 
** SessionApplyCtx.rebase, which will eventually be returned to the caller
** of apply_v2() as the "rebase" buffer.
**
** Return SQLITE_OK if successful, or an SQLite error code otherwise.
................................................................................
  while( pApply->constraints.nBuf ){
    sqlite3_changeset_iter *pIter2 = 0;
    SessionBuffer cons = pApply->constraints;
    memset(&pApply->constraints, 0, sizeof(SessionBuffer));

    rc = sessionChangesetStart(&pIter2, 0, 0, cons.nBuf, cons.aBuf, 0);
    if( rc==SQLITE_OK ){
      int nByte = 2*pApply->nCol*sizeof(sqlite3_value*);
      int rc2;
      pIter2->bPatchset = bPatchset;
      pIter2->zTab = (char*)zTab;
      pIter2->nCol = pApply->nCol;
      pIter2->abPK = pApply->abPK;
      sessionBufferGrow(&pIter2->tblhdr, nByte, &rc);
      pIter2->apValue = (sqlite3_value**)pIter2->tblhdr.aBuf;
................................................................................
**
**
** xSetAuxdata(pFts5, pAux, xDelete)
**
**   Save the pointer passed as the second argument as the extension functions 
**   "auxiliary data". The pointer may then be retrieved by the current or any
**   future invocation of the same fts5 extension function made as part of
**   of the same MATCH query using the xGetAuxdata() API.
**
**   Each extension function is allocated a single auxiliary data slot for
**   each FTS query (MATCH expression). If the extension function is invoked 
**   more than once for a single FTS query, then all invocations share a 
**   single auxiliary data context.
**
**   If there is already an auxiliary data pointer when this function is
................................................................................
**   invoked, then it is replaced by the new pointer. If an xDelete callback
**   was specified along with the original pointer, it is invoked at this
**   point.
**
**   The xDelete callback, if one is specified, is also invoked on the
**   auxiliary data pointer after the FTS5 query has finished.
**
**   If an error (e.g. an OOM condition) occurs within this function, an
**   the auxiliary data is set to NULL and an error code returned. If the
**   xDelete parameter was not NULL, it is invoked on the auxiliary data
**   pointer before returning.
**
**
** xGetAuxdata(pFts5, bClear)
**
................................................................................
/*
** Empty (but do not delete) a hash table.
*/
static void sqlite3Fts5HashClear(Fts5Hash*);

static int sqlite3Fts5HashQuery(
  Fts5Hash*,                      /* Hash table to query */

  const char *pTerm, int nTerm,   /* Query term */
  const u8 **ppDoclist,           /* OUT: Pointer to doclist for pTerm */
  int *pnDoclist                  /* OUT: Size of doclist in bytes */
);

static int sqlite3Fts5HashScanInit(
  Fts5Hash*,                      /* Hash table to query */
  const char *pTerm, int nTerm    /* Query prefix */
);
................................................................................
  }

  *pnScore = nScore;
  if( piPos ){
    sqlite3_int64 iAdj = iFirst - (nToken - (iLast-iFirst)) / 2;
    if( (iAdj+nToken)>nDocsize ) iAdj = nDocsize - nToken;
    if( iAdj<0 ) iAdj = 0;
    *piPos = iAdj;
  }

  return rc;
}

/*
** Return the value in pVal interpreted as utf-8 text. Except, if pVal 
................................................................................
    /* Allocate the Fts5Bm25Data object */
    nPhrase = pApi->xPhraseCount(pFts);
    nByte = sizeof(Fts5Bm25Data) + nPhrase*2*sizeof(double);
    p = (Fts5Bm25Data*)sqlite3_malloc64(nByte);
    if( p==0 ){
      rc = SQLITE_NOMEM;
    }else{
      memset(p, 0, nByte);
      p->nPhrase = nPhrase;
      p->aIDF = (double*)&p[1];
      p->aFreq = &p->aIDF[nPhrase];
    }

    /* Calculate the average document length for this FTS5 table */
    if( rc==SQLITE_OK ) rc = pApi->xRowCount(pFts, &nRow);
................................................................................
      nNew = nNew * 2;
    }
    pNew = sqlite3_realloc64(pBuf->p, nNew);
    if( pNew==0 ){
      *pRc = SQLITE_NOMEM;
      return 1;
    }else{
      pBuf->nSpace = nNew;
      pBuf->p = pNew;
    }
  }
  return 0;
}


................................................................................
static void *sqlite3Fts5MallocZero(int *pRc, sqlite3_int64 nByte){
  void *pRet = 0;
  if( *pRc==SQLITE_OK ){
    pRet = sqlite3_malloc64(nByte);
    if( pRet==0 ){
      if( nByte>0 ) *pRc = SQLITE_NOMEM;
    }else{
      memset(pRet, 0, nByte);
    }
  }
  return pRet;
}

/*
** Return a nul-terminated copy of the string indicated by pIn. If nIn
................................................................................
          }
        }
        if( p==0 ){
          *pzErr = sqlite3_mprintf("parse error in tokenize directive");
          rc = SQLITE_ERROR;
        }else{
          rc = sqlite3Fts5GetTokenizer(pGlobal, 
              (const char**)azArg, nArg, &pConfig->pTok, &pConfig->pTokApi,
              pzErr
          );
        }
      }
    }

    sqlite3_free(azArg);
................................................................................
  assert( *pRc==SQLITE_OK );
  *pbQuoted = 0;
  *pzOut = 0;

  if( zOut==0 ){
    *pRc = SQLITE_NOMEM;
  }else{
    memcpy(zOut, zIn, nIn+1);
    if( fts5_isopenquote(zOut[0]) ){
      int ii = fts5Dequote(zOut);
      zRet = &zIn[ii];
      *pbQuoted = 1;
    }else{
      zRet = fts5ConfigSkipBareword(zIn);
      if( zRet ){
................................................................................
    if( pNear==0 ){
      sqlite3_int64 nByte;
      nByte = sizeof(Fts5ExprNearset) + SZALLOC * sizeof(Fts5ExprPhrase*);
      pRet = sqlite3_malloc64(nByte);
      if( pRet==0 ){
        pParse->rc = SQLITE_NOMEM;
      }else{
        memset(pRet, 0, nByte);
      }
    }else if( (pNear->nPhrase % SZALLOC)==0 ){
      int nNew = pNear->nPhrase + SZALLOC;
      sqlite3_int64 nByte;

      nByte = sizeof(Fts5ExprNearset) + nNew * sizeof(Fts5ExprPhrase*);
      pRet = (Fts5ExprNearset*)sqlite3_realloc64(pNear, nByte);
................................................................................
  if( pPhrase && pPhrase->nTerm>0 && (tflags & FTS5_TOKEN_COLOCATED) ){
    Fts5ExprTerm *pSyn;
    sqlite3_int64 nByte = sizeof(Fts5ExprTerm) + sizeof(Fts5Buffer) + nToken+1;
    pSyn = (Fts5ExprTerm*)sqlite3_malloc64(nByte);
    if( pSyn==0 ){
      rc = SQLITE_NOMEM;
    }else{
      memset(pSyn, 0, nByte);
      pSyn->zTerm = ((char*)pSyn) + sizeof(Fts5ExprTerm) + sizeof(Fts5Buffer);
      memcpy(pSyn->zTerm, pToken, nToken);
      pSyn->pSynonym = pPhrase->aTerm[pPhrase->nTerm-1].pSynonym;
      pPhrase->aTerm[pPhrase->nTerm-1].pSynonym = pSyn;
    }
  }else{
    Fts5ExprTerm *pTerm;
................................................................................
    Fts5Colset *pColsetOrig = pOrig->pNode->pNear->pColset;
    if( pColsetOrig ){
      sqlite3_int64 nByte;
      Fts5Colset *pColset;
      nByte = sizeof(Fts5Colset) + (pColsetOrig->nCol-1) * sizeof(int);
      pColset = (Fts5Colset*)sqlite3Fts5MallocZero(&rc, nByte);
      if( pColset ){ 
        memcpy(pColset, pColsetOrig, nByte);
      }
      pNew->pRoot->pNear->pColset = pColset;
    }
  }

  if( pOrig->nTerm ){
    int i;                          /* Used to iterate through phrase terms */
................................................................................
*/
static Fts5Colset *fts5CloneColset(int *pRc, Fts5Colset *pOrig){
  Fts5Colset *pRet;
  if( pOrig ){
    sqlite3_int64 nByte = sizeof(Fts5Colset) + (pOrig->nCol-1) * sizeof(int);
    pRet = (Fts5Colset*)sqlite3Fts5MallocZero(pRc, nByte);
    if( pRet ){ 
      memcpy(pRet, pOrig, nByte);
    }
  }else{
    pRet = 0;
  }
  return pRet;
}

................................................................................
    nByte = sizeof(Fts5HashEntry*) * pNew->nSlot;
    pNew->aSlot = (Fts5HashEntry**)sqlite3_malloc64(nByte);
    if( pNew->aSlot==0 ){
      sqlite3_free(pNew);
      *ppNew = 0;
      rc = SQLITE_NOMEM;
    }else{
      memset(pNew->aSlot, 0, nByte);
    }
  }
  return rc;
}

/*
** Free a hash table object.
................................................................................

  sqlite3_free(apOld);
  pHash->nSlot = nNew;
  pHash->aSlot = apNew;
  return SQLITE_OK;
}

static void fts5HashAddPoslistSize(Fts5Hash *pHash, Fts5HashEntry *p){





  if( p->iSzPoslist ){
    u8 *pPtr = (u8*)p;

    if( pHash->eDetail==FTS5_DETAIL_NONE ){
      assert( p->nData==p->iSzPoslist );
      if( p->bDel ){
        pPtr[p->nData++] = 0x00;
        if( p->bContent ){
          pPtr[p->nData++] = 0x00;
        }
      }
    }else{
      int nSz = (p->nData - p->iSzPoslist - 1);       /* Size in bytes */
      int nPos = nSz*2 + p->bDel;                     /* Value of nPos field */

      assert( p->bDel==0 || p->bDel==1 );
      if( nPos<=127 ){
        pPtr[p->iSzPoslist] = (u8)nPos;
      }else{
        int nByte = sqlite3Fts5GetVarintLen((u32)nPos);
        memmove(&pPtr[p->iSzPoslist + nByte], &pPtr[p->iSzPoslist + 1], nSz);
        sqlite3Fts5PutVarint(&pPtr[p->iSzPoslist], nPos);
        p->nData += (nByte-1);
      }
    }



    p->iSzPoslist = 0;
    p->bDel = 0;
    p->bContent = 0;

  }


}

/*
** Add an entry to the in-memory hash table. The key is the concatenation
** of bByte and (pToken/nToken). The value is (iRowid/iCol/iPos).
**
**     (bByte || pToken) -> (iRowid,iCol,iPos)
................................................................................
      iHash = fts5HashKey2(pHash->nSlot, (u8)bByte, (const u8*)pToken, nToken);
    }

    /* Allocate new Fts5HashEntry and add it to the hash table. */
    p = (Fts5HashEntry*)sqlite3_malloc64(nByte);
    if( !p ) return SQLITE_NOMEM;
    memset(p, 0, sizeof(Fts5HashEntry));
    p->nAlloc = nByte;
    zKey = fts5EntryKey(p);
    zKey[0] = bByte;
    memcpy(&zKey[1], pToken, nToken);
    assert( iHash==fts5HashKey(pHash->nSlot, (u8*)zKey, nToken+1) );
    p->nKey = nToken;
    zKey[nToken+1] = '\0';
    p->nData = nToken+1 + 1 + sizeof(Fts5HashEntry);
................................................................................
  assert( (p->nAlloc - p->nData) >= (9 + 4 + 1 + 3 + 5) );

  pPtr = (u8*)p;

  /* If this is a new rowid, append the 4-byte size field for the previous
  ** entry, and the new rowid for this entry.  */
  if( iRowid!=p->iRowid ){
    fts5HashAddPoslistSize(pHash, p);
    p->nData += sqlite3Fts5PutVarint(&pPtr[p->nData], iRowid - p->iRowid);
    p->iRowid = iRowid;
    bNew = 1;
    p->iSzPoslist = p->nData;
    if( pHash->eDetail!=FTS5_DETAIL_NONE ){
      p->nData += 1;
      p->iCol = (pHash->eDetail==FTS5_DETAIL_FULL ? 0 : -1);
................................................................................
  ap = sqlite3_malloc64(sizeof(Fts5HashEntry*) * nMergeSlot);
  if( !ap ) return SQLITE_NOMEM;
  memset(ap, 0, sizeof(Fts5HashEntry*) * nMergeSlot);

  for(iSlot=0; iSlot<pHash->nSlot; iSlot++){
    Fts5HashEntry *pIter;
    for(pIter=pHash->aSlot[iSlot]; pIter; pIter=pIter->pHashNext){

      if( pTerm==0 || 0==memcmp(fts5EntryKey(pIter), pTerm, nTerm) ){

        Fts5HashEntry *pEntry = pIter;
        pEntry->pScanNext = 0;
        for(i=0; ap[i]; i++){
          pEntry = fts5HashEntryMerge(pEntry, ap[i]);
          ap[i] = 0;
        }
        ap[i] = pEntry;
................................................................................
}

/*
** Query the hash table for a doclist associated with term pTerm/nTerm.
*/
static int sqlite3Fts5HashQuery(
  Fts5Hash *pHash,                /* Hash table to query */

  const char *pTerm, int nTerm,   /* Query term */
  const u8 **ppDoclist,           /* OUT: Pointer to doclist for pTerm */

  int *pnDoclist                  /* OUT: Size of doclist in bytes */
){
  unsigned int iHash = fts5HashKey(pHash->nSlot, (const u8*)pTerm, nTerm);
  char *zKey = 0;
  Fts5HashEntry *p;

  for(p=pHash->aSlot[iHash]; p; p=p->pHashNext){
    zKey = fts5EntryKey(p);
    assert( p->nKey+1==(int)strlen(zKey) );
    if( nTerm==p->nKey+1 && memcmp(zKey, pTerm, nTerm)==0 ) break;
  }

  if( p ){






    fts5HashAddPoslistSize(pHash, p);


    *ppDoclist = (const u8*)&zKey[nTerm+1];
    *pnDoclist = p->nData - (sizeof(Fts5HashEntry) + nTerm + 1);


  }else{
    *ppDoclist = 0;
    *pnDoclist = 0;
  }

  return SQLITE_OK;
}

static int sqlite3Fts5HashScanInit(
................................................................................
  const u8 **ppDoclist,           /* OUT: pointer to doclist */
  int *pnDoclist                  /* OUT: size of doclist in bytes */
){
  Fts5HashEntry *p;
  if( (p = pHash->pScan) ){
    char *zKey = fts5EntryKey(p);
    int nTerm = (int)strlen(zKey);
    fts5HashAddPoslistSize(pHash, p);
    *pzTerm = zKey;
    *ppDoclist = (const u8*)&zKey[nTerm+1];
    *pnDoclist = p->nData - (sizeof(Fts5HashEntry) + nTerm + 1);
  }else{
    *pzTerm = 0;
    *ppDoclist = 0;
    *pnDoclist = 0;
................................................................................
*/
static void fts5SegIterHashInit(
  Fts5Index *p,                   /* FTS5 backend */
  const u8 *pTerm, int nTerm,     /* Term to seek to */
  int flags,                      /* Mask of FTS5INDEX_XXX flags */
  Fts5SegIter *pIter              /* Object to populate */
){
  const u8 *pList = 0;
  int nList = 0;
  const u8 *z = 0;
  int n = 0;


  assert( p->pHash );
  assert( p->rc==SQLITE_OK );

  if( pTerm==0 || (flags & FTS5INDEX_QUERY_SCAN) ){


    p->rc = sqlite3Fts5HashScanInit(p->pHash, (const char*)pTerm, nTerm);
    sqlite3Fts5HashScanEntry(p->pHash, (const char**)&z, &pList, &nList);
    n = (z ? (int)strlen((const char*)z) : 0);






  }else{
    pIter->flags |= FTS5_SEGITER_ONETERM;
    sqlite3Fts5HashQuery(p->pHash, (const char*)pTerm, nTerm, &pList, &nList);





    z = pTerm;
    n = nTerm;

  }

  if( pList ){
    Fts5Data *pLeaf;
    sqlite3Fts5BufferSet(&p->rc, &pIter->term, n, z);
    pLeaf = fts5IdxMalloc(p, sizeof(Fts5Data));
    if( pLeaf==0 ) return;
    pLeaf->p = (u8*)pList;
    pLeaf->nn = pLeaf->szLeaf = nList;
    pIter->pLeaf = pLeaf;
    pIter->iLeafOffset = fts5GetVarint(pLeaf->p, (u64*)&pIter->iRowid);
    pIter->iEndofDoclist = pLeaf->nn;

    if( flags & FTS5INDEX_QUERY_DESC ){
      pIter->flags |= FTS5_SEGITER_REVERSE;
................................................................................
  if( p1->pLeaf==0 ){           /* If p1 is at EOF */
    iRes = i2;
  }else if( p2->pLeaf==0 ){     /* If p2 is at EOF */
    iRes = i1;
  }else{
    int res = fts5BufferCompare(&p1->term, &p2->term);
    if( res==0 ){
      assert( i2>i1 );
      assert( i2!=0 );
      pRes->bTermEq = 1;
      if( p1->iRowid==p2->iRowid ){
        p1->bDel = p2->bDel;
        return i2;
      }
      res = ((p1->iRowid > p2->iRowid)==pIter->bRev) ? -1 : +1;
    }
................................................................................
  if( p->rc==SQLITE_OK && nLvl>=pWriter->nDlidx ){
    Fts5DlidxWriter *aDlidx = (Fts5DlidxWriter*)sqlite3_realloc64(
        pWriter->aDlidx, sizeof(Fts5DlidxWriter) * nLvl
    );
    if( aDlidx==0 ){
      p->rc = SQLITE_NOMEM;
    }else{
      int nByte = sizeof(Fts5DlidxWriter) * (nLvl - pWriter->nDlidx);
      memset(&aDlidx[pWriter->nDlidx], 0, nByte);
      pWriter->aDlidx = aDlidx;
      pWriter->nDlidx = nLvl;
    }
  }
  return p->rc;
}
................................................................................
            /* Set the szLeaf field */
            fts5PutU16(&buf.p[2], (u16)buf.n);
          }

          /* Set up the new page-index array */
          fts5BufferAppendVarint(&p->rc, &buf, 4);
          if( pSeg->iLeafPgno==pSeg->iTermLeafPgno 
              && pSeg->iEndofDoclist<pData->szLeaf 

            ){
            int nDiff = pData->szLeaf - pSeg->iEndofDoclist;
            fts5BufferAppendVarint(&p->rc, &buf, buf.n - 1 - nDiff - 4);
            fts5BufferAppendBlob(&p->rc, &buf, 
                pData->nn - pSeg->iPgidxOff, &pData->p[pSeg->iPgidxOff]
                );
          }

          pSeg->pSeg->pgnoFirst = pSeg->iTermLeafPgno;
          fts5DataDelete(p, FTS5_SEGMENT_ROWID(iId, 1), iLeafRowid);
          fts5DataWrite(p, iLeafRowid, buf.p, buf.n);
        }
        fts5DataRelease(pData);
................................................................................

  rc = fts5NewTransaction(pTab);
  if( rc==SQLITE_OK ){
    nByte = sizeof(Fts5Cursor) + pConfig->nCol * sizeof(int);
    pCsr = (Fts5Cursor*)sqlite3_malloc64(nByte);
    if( pCsr ){
      Fts5Global *pGlobal = pTab->pGlobal;
      memset(pCsr, 0, nByte);
      pCsr->aColumnSize = (int*)&pCsr[1];
      pCsr->pNext = pGlobal->pCsr;
      pGlobal->pCsr = pCsr;
      pCsr->iCsrId = ++pGlobal->iNextId;
    }else{
      rc = SQLITE_NOMEM;
    }
................................................................................
  const char *zRank = pCsr->zRank;
  const char *zRankArgs = pCsr->zRankArgs;
  
  nPhrase = sqlite3Fts5ExprPhraseCount(pCsr->pExpr);
  nByte = sizeof(Fts5Sorter) + sizeof(int) * (nPhrase-1);
  pSorter = (Fts5Sorter*)sqlite3_malloc64(nByte);
  if( pSorter==0 ) return SQLITE_NOMEM;
  memset(pSorter, 0, nByte);
  pSorter->nIdx = nPhrase;

  /* TODO: It would be better to have some system for reusing statement
  ** handles here, rather than preparing a new one for each query. But that
  ** is not possible as SQLite reference counts the virtual table objects.
  ** And since the statement required here reads from this very virtual 
  ** table, saving it creates a circular reference.
................................................................................
  fts5_extension_function xFunc,  /* Aux. function implementation */
  void(*xDestroy)(void*)          /* Destructor for pUserData */
){
  Fts5Global *pGlobal = (Fts5Global*)pApi;
  int rc = sqlite3_overload_function(pGlobal->db, zName, -1);
  if( rc==SQLITE_OK ){
    Fts5Auxiliary *pAux;
    int nName;                      /* Size of zName in bytes, including \0 */
    int nByte;                      /* Bytes of space to allocate */

    nName = (int)strlen(zName) + 1;
    nByte = sizeof(Fts5Auxiliary) + nName;
    pAux = (Fts5Auxiliary*)sqlite3_malloc(nByte);
    if( pAux ){
      memset(pAux, 0, nByte);
      pAux->zFunc = (char*)&pAux[1];
      memcpy(pAux->zFunc, zName, nName);
      pAux->pGlobal = pGlobal;
      pAux->pUserData = pUserData;
      pAux->xFunc = xFunc;
      pAux->xDestroy = xDestroy;
      pAux->pNext = pGlobal->pAux;
................................................................................
  const char *zName,              /* Name of new function */
  void *pUserData,                /* User data for aux. function */
  fts5_tokenizer *pTokenizer,     /* Tokenizer implementation */
  void(*xDestroy)(void*)          /* Destructor for pUserData */
){
  Fts5Global *pGlobal = (Fts5Global*)pApi;
  Fts5TokenizerModule *pNew;
  int nName;                      /* Size of zName and its \0 terminator */
  int nByte;                      /* Bytes of space to allocate */
  int rc = SQLITE_OK;

  nName = (int)strlen(zName) + 1;
  nByte = sizeof(Fts5TokenizerModule) + nName;
  pNew = (Fts5TokenizerModule*)sqlite3_malloc(nByte);
  if( pNew ){
    memset(pNew, 0, nByte);
    pNew->zName = (char*)&pNew[1];
    memcpy(pNew->zName, zName, nName);
    pNew->pUserData = pUserData;
    pNew->x = *pTokenizer;
    pNew->xDestroy = xDestroy;
    pNew->pNext = pGlobal->pTok;
    pGlobal->pTok = pNew;
................................................................................
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2019-02-25 16:06:06 bd49a8271d650fa89e446b42e513b595a717b9212c91dd384aab871fc1d0f6d7", -1, SQLITE_TRANSIENT);
}

/*
** Return true if zName is the extension on one of the shadow tables used
** by this module.
*/
static int fts5ShadowName(const char *zName){
................................................................................
  sqlite3_int64 nByte;            /* Bytes of space to allocate */

  nByte = sizeof(Fts5Storage)               /* Fts5Storage object */
        + pConfig->nCol * sizeof(i64);      /* Fts5Storage.aTotalSize[] */
  *pp = p = (Fts5Storage*)sqlite3_malloc64(nByte);
  if( !p ) return SQLITE_NOMEM;

  memset(p, 0, nByte);
  p->aTotalSize = (i64*)&p[1];
  p->pConfig = pConfig;
  p->pIndex = pIndex;

  if( bCreate ){
    if( pConfig->eContent==FTS5_CONTENT_NORMAL ){
      int nDefn = 32 + pConfig->nCol*10;
................................................................................
    if( p ){
      const char *zCat = "L* N* Co";
      int i;
      memset(p, 0, sizeof(Unicode61Tokenizer));

      p->eRemoveDiacritic = FTS5_REMOVE_DIACRITICS_SIMPLE;
      p->nFold = 64;
      p->aFold = sqlite3_malloc(p->nFold * sizeof(char));
      if( p->aFold==0 ){
        rc = SQLITE_NOMEM;
      }

      /* Search for a "categories" argument */
      for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
        if( 0==sqlite3_stricmp(azArg[i], "categories") ){
................................................................................
static void sqlite3Fts5UnicodeAscii(u8 *aArray, u8 *aAscii){
  int i = 0;
  int iTbl = 0;
  while( i<128 ){
    int bToken = aArray[ aFts5UnicodeData[iTbl] & 0x1F ];
    int n = (aFts5UnicodeData[iTbl] >> 5) + i;
    for(; i<128 && i<n; i++){
      aAscii[i] = bToken;
    }
    iTbl++;
  }
}

/*
** 2015 May 30
................................................................................
#endif
  return rc;
}
#endif /* SQLITE_CORE */
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */

/************** End of stmt.c ************************************************/
#if __LINE__!=221831
#undef SQLITE_SOURCE_ID
#define SQLITE_SOURCE_ID      "2019-02-25 16:06:06 bd49a8271d650fa89e446b42e513b595a717b9212c91dd384aab871fc1d0alt2"
#endif
/* Return the source-id for this library */
SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; }
/************************** End of sqlite3.c ******************************/


|







 







|
|
|







 







>
>
>







 







|
|







 







>
>
>
>
>
>
>
>
>
>
>













>
|







 







>
>
>
>
>
>
>
>
>
>
>
>







 







|
>
>







 







>
>







 







>
>
>
>
>







 







>







 







|







 







|







 







|







 







|







 







|







 







>
>
>
>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
<
|
|
<
<
<
<
<
<
<







 







<
<
<







 







|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|







 







<
|
|
|
|
>







 







|
|
|



|
|







 







>







 







>
|







|







 







<







 







>
>
>
>


<
>


<
>










|











>







 







|

>







 







>







 







>







 







|







 







|



>


<
>


>
>










|
<



>
>
>





|










>
>







 







>







 







|



|







 







>
>
>
>
>
>







 







>
>
>







 







|
>







 







>







 







<

<
>







 







|







 







>
>
>
>
>
>


|

|

>
>
>
>
>
>
>
>
>

|


|

|
>
>
>
>
>
>
|




>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|
|
|
|
|







 







|






|







 







|
|
|

|
|

|
|
>
>
>
>
>
>
>
>







 







>
>
>
>
>
>
>
>
>
>
>
>
>







 







|







 







|







 







|
|







 







|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|







 







<
|
|
|
|
>







 







|
<
<







 







>
>
>







 







>
>
|
>
|
>
>
>







 







|

>
>
>
>







 







|







 







|







 







>







 







>










|



|
>







 







|







 







|







 







|






>
>
>
|
>







 







|










<
<
<
<
<
>







 







>
>

>







 







>







 







|
|
|
|
|
|
|


|







<
<
<
|








>
>
>
>


|






|
<
|
>
|
|
>
|
>
>
>
>
>







 







|
|
|







 







>








|







 







|







 







|
|
<
<
<
<
<

<
>



<

<











|
>

|


<
<
<
<
<
<
<
<
<
<
<
<
<




<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
>

<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

>
>
>







 







|



|






<
|









<
|



|
>
>







 







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







|







 







|





>
|
>







 







>







 







>







 







|







 







|
|
>
>
>
>
>







 







|
|
>







 







|

>
>







 







>







 







>







 







|
>
>
>
>
>
>







 







>










|







 







>
>
>





>







 







<

<





|
>
>
|

<







 







|







 







>
|







 







|







 







>







 







>
>
>







 







>
>
>
>







 







|
>
>
>
>

<





>







 







>
>
>
>







 







>
>
>







 







|


|







 







>
>
>
>
>







 







|







 







|

|








|
|







 







|







 







|
<







 







<







 







|
>






>







 







<











|




|




|



<
<
<
<



>
>
>
>
|
|
>







 







|
>

>
|







 







>







 







|







 







|
|
|







 







|







 







|







 







>
>
>
>
>







 







|
|
|
|







 







>
>
>
>
>
>
|
>
|







 







|
<



|
<







 







|
<



|
<











|
<



|
<









|
<



|
<









|
<



|
<







 







>
>
>
>
>
>
>
>







 







|
|
|
|
|
|
>
>
>
>
>
>
>
>










|

|







 







>
>
>
>
>
>
>
>
>
>
>
>







 







>
>
>
>
>
>
>
>
>













<
<
<
<
<
<
<
<
<







 







|

|

>







 







>












<







 







>
|
>
>







 







<
<
<
<
<
<
<
<
<
<
<
<







 







<

>








>







 







<








|







 







|







 







|




>


<
|







 







>







 







|







<
<
<
<










>







 







<
<
<







 







|
<







 







>







 







|
>
>
>
>
>
>
>
>
>







 







|







 







>
>
>
|
<
>



<


>
|
>







 







>
>
>
>







 







>







 







>
>
>

<
>







 







|







 







<

>







 







|







 







>










>







 







|
|







 







>
>
|
>
|
<







 







|







 







|







 







|







 







>
>
>
>
>
>
>
>
>
>
>







 







|
|
|
|
<




>







 







<







 







>







 







>
|
>




|







 







|
>
>
>
>
>







 







>
|







 







>







 







>
>
>
>
>







 







>






<







 







>







 







>







 







|

|









<







 







|







 







|
>







 







|







 







>
>
>
>







 







>
|
>







 







>
>
>
>
>
>
>







 







|







 







|







 







>
>
>







 







>
>
>







 







|

|

>
>
>







 







|







 







|



|








>










|



|

>






>
>







 







>













>







 







|
|

>
>
>
>







 







|
|
|







 







|







 







|
>







 







|
|
|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>
>
>
>
>
>
>
>







 







>
>
>
>
>
|







 







>
>

<







 







>
>
>
>
>
>







 







|
|
|
|
|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|







|
<
>


|
<
|
<
<
<
|
<
>
>
>
>
>
>
>
>
>
>





>

|




<


>





|







|
<
>


|
<
|
<
|
>
>
>
>
>
>
>
>
>
>



|
|




>







 







|







|




<






|

>
>
>
>
>
>
>
>
>
>
>







|



|











>







 







|







 







|
|
|

|
|









>
>
>
>
>
>
>
>
>
>
>







 







|
|
<
<
<
|
<
<
<






|
>
>
>

>
>
>
>
>
>
>
>






|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
|
<
>
|
|
<
>
>
>
|
<
<
<
<
<
<
<
<
<
>
>
>







 







>







 







>
>
>







 







>







 







|



|
>


>


|







<
>
|
|
<
<
<
<







 







|





|


>
>
>
>
>









>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|


>







 







>
>
>
>
|
<
<

|
|
>
>
>
>
>
>
>
>
>
>
>
>
>







 







<






<





>
>
>
>
>
>








|



|
>
>

|


<
>

>
>
>
>
>
>
>
>
>
>
|
>
>
|
|
|
>

|
|

>
>







 







|
<




|


<
<
|
>
|
>

<
<
<
<
<
|
<
>
|
<
|
<
<
|
|
<
>
|
|







 







|
|



|
<
<
<
<





<
|
|
<
<
<


<
|
|
<
|







|






>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|



|
>
>




>
|
|






<
<
<

>

>
|
|




|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|
<
|
<
<
<
|
>
>
>
>
>
|
>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
|
|
|
>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
<
<
<
<
<
<
<







 







|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







|


>







 









>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>


|
|
<
>
|
<
<
<
>
>
>
>
>
>
>
>
|
<
<
<
<
<
<
<
<
>
>
>
>
|
<
>
>
>
>
>
|
<
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
<
<
<
<
>
|
<
>
>
>
|
<
>
>
>
|
<
<
<
<
>
>
>
|
<
<
>
>
>
>
>
>
>
|
<
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
<
|
<
<
<
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
<
<
>
>
>
>
>
>
|
<
<
<
|
>
>
>
>
>
>
>
>
>
>
|
>
>
>
>
>
>
>
>
>

>
>
>
>
|
>
>
>
>
>
>
>
>
>
>
>
>
|
<
<
<
<
<
<
<
<
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
<
>
>
|
>
>
>
>
>
>
>
|
>
>
|
|
>
>
>
>
|
<
<
<
<
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
<
<
>
>
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>
>
>
>







 







|

|




|
|
|
|
|
|
|
|
|
|
|
|
|
|
>







 







|
|
|
|
|
|
|
|
|
|
|







 







|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>
>
>
>







 







|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<
>
|
|
|
|
|
|
|
|
|
|
|
>
>







 







|
|
|
|
>
>
>
|
|
|
|
<
|
|
|
|
|
|
<
>
>
>
>
>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|







 







|
|
|
|

|


|
|
|
|
|
|
|
|
|
|
|

|


|
|
|
|
|
|
|
|
|
|
|
|
|

|


|
|
|
|
|

|


|

|


|
|

|


|
|
|

|


|
|
|
|

|


|
|

|


|

|


|
|
|

|







 







|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
>
>
>
>
>
>







 







|
|
|
|
>
>
>
|
|
|
|
<
|
|
|
|
|
|
<
>
>
>
>
>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|







 







|


|




>
|







 







|







 







|


|



|



|




|
|





|

|







 







|







|


|


|



|
|













|


|


|



|


|


|





|


|


|


|


|


|


|


|


|


|


|


|




|






|


|





|


|



|



|
|




|


|


|



|



|




|




|





|
|




|

|


|

|




|

|


|

|




|



|




|
|









|



|



|




|


|



|




|
|
|

|





|




|
|




|

|




|


|







|



|
|
|





|







|









|



|
|




|



|



|
|




|
|




|




|
|
|
|
|
|
|












|


|
|
|









|
|

|



|
|

|


|


|



|
|




|
|



|


|


|


|






|








|








|



|



|



|
|




|
|



|


|


|


|


|


|



|
|




|
|
|




|
|




|




|
|

|



|




|




|



|


|


|


|


|


|


|


|



|









|

|











|

|



|



|

|





|
|








|

|
|






|




|
|




|

|



|

|



|
|

|



|
|

|



|

|



|
|
|
|













|









|
|
|
|
|







|
|
|
|
|
|



|


|



|
|




|
|




|



|





|



|
|
|
|
|



|




|









|
|

|







 







|
|
|






|

|
|
|
|

|

|





|
|




|
|
|






|
|
|
|





|
|




|
|
|
|

|
|





|
|




|
|



|


|


|



|




|
|







|


|



|




|



|


|


|







 







|




|




|


|


|



|


|



|
|



|



|
|
|




|
|







 







|
|



|

|


|
|


|
|



|
|
|





|
|
|




|


|



|




|




|







 







|











|




|










|












|



|




|



|
|



|
>
|
|

|

|

|
|

<
>

|

<
>

<
|
<
>
|
>
>
>
|
>
>
>
>
>


<
>
>
>
>
>
>
>
>
|
>
>

<
<
>
>
>
>
>

|

<
>


|

<
>

|

|

<
>

|

<
<
<
<
<
<
|
|
|
|

|
|
<
>
>
>

|
<
>
|

<
<
>
>

<
<
>
|

>
>
>
>
>
>
>
|
|

|

<
>
|
|

|

|

|
|
|
|

|


|

|
|


|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|







 







|
|

|
|
|
|
|
|
|
|
|
|
|




|
|
<
|
>
>
|
<
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
>
|
|
|
|
<



|
|
|
|
|
|
|
|
|
|




|


>
|
<
|
|
|
|
|
|
|


|

|
>
|
<
|
|
|
|
|
|
|



|


|
|
|
|
|
|
|
|
|


|





|
|
<
|
>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
>
|
|
<
|







 







|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
>
>
>
>











|







 







>







 







>
>







 







>
|







 







>
>







 







|







 







>
>







 







|







 







|







 







>
|
>







 







|
|







 







|







 







>
|
>







 







>
|
|







 







|
>
|
>







 







|







 







|







 







|
|







 







|




|







 







|







 







|

|
|
>

|



|
>
|







 







|







 







|
|







 







|







 







|







 







|







 







|







 







<



>
>
>





>



>
>
>

>

<
<




>
|
<


<
|

<
|

<

>
|
<
<
<
<
<
<
<
<
<
>
|
>







 







|







 







|







 







|

|











|







 







|
|







|
|
|







 







>
>
>
>
>







 







>







 







|







 







|







 







>


>
>
>







 







|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>







>







 







|


|





|

|



|


|

|

>
>










>







 







|







 







|







 







|







 







|







 







|







 







|







 







|







 







|







 







>

|







 







|







 







|







 







|







 







|







 







|







 







|







 







|







 







|







 







|







 







|







 







|







 







|
>
>
>
>
>

|
>

|

|

|



|









|



>
>
|
|
|
>
|
>
>







 







|







 







|







 







>
|
>







 







>

<
>













>
>
>
>
>
>
|
>
>
|
<
>
>

|







 







|







 







<



>





>
>



>
>
>
>
>
>

<
|
>
>
>
>
>


>


|
<

<
<
<







 







|
|







 







|







 







|
>
|




|







 







|







 







|







 







|
|

|

|

|







 







|
|


|

|

|







 







|







 







|







 







|







 







|







 







|

|




1
2
3
4
5
6
7
8
9
10
....
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
....
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
....
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
....
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
....
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
....
5095
5096
5097
5098
5099
5100
5101
5102
5103
5104
5105
5106
5107
5108
5109
5110
5111
....
6014
6015
6016
6017
6018
6019
6020
6021
6022
6023
6024
6025
6026
6027
6028
6029
....
6076
6077
6078
6079
6080
6081
6082
6083
6084
6085
6086
6087
6088
6089
6090
6091
6092
6093
6094
....
6127
6128
6129
6130
6131
6132
6133
6134
6135
6136
6137
6138
6139
6140
6141
....
6863
6864
6865
6866
6867
6868
6869
6870
6871
6872
6873
6874
6875
6876
6877
.....
11964
11965
11966
11967
11968
11969
11970
11971
11972
11973
11974
11975
11976
11977
11978
.....
12373
12374
12375
12376
12377
12378
12379
12380
12381
12382
12383
12384
12385
12386
12387
.....
12388
12389
12390
12391
12392
12393
12394
12395
12396
12397
12398
12399
12400
12401
12402
.....
13414
13415
13416
13417
13418
13419
13420
13421
13422
13423
13424
13425
13426
13427
13428
.....
13555
13556
13557
13558
13559
13560
13561
13562
13563
13564
13565
13566
13567
13568
13569
13570
13571
13572
13573
13574
13575
13576
13577
13578
13579
13580
13581
13582
13583
13584
13585
13586
13587
13588
13589
13590
13591
13592
13593
13594
13595
13596
13597
13598
13599
13600
13601
13602
13603
13604
13605
13606
13607
13608
13609
13610
13611
13612
13613
13614
13615
13616
13617
13618
13619
13620
13621
13622
13623
13624
13625
13626
13627
13628
13629
13630
13631
13632
13633
13634
13635
13636
13637
13638
13639
13640
13641
13642
13643
13644
13645
13646
13647


13648
13649







13650
13651
13652
13653
13654
13655
13656
.....
14574
14575
14576
14577
14578
14579
14580



14581
14582
14583
14584
14585
14586
14587
.....
14931
14932
14933
14934
14935
14936
14937
14938
14939
14940
14941
14942
14943
14944
14945
14946
14947
14948
14949
14950
14951
14952
14953
14954
14955
14956
14957
14958
14959
14960
14961
14962
14963
.....
14980
14981
14982
14983
14984
14985
14986

14987
14988
14989
14990
14991
14992
14993
14994
14995
14996
14997
14998
.....
15035
15036
15037
15038
15039
15040
15041
15042
15043
15044
15045
15046
15047
15048
15049
15050
15051
15052
15053
15054
15055
15056
.....
16350
16351
16352
16353
16354
16355
16356
16357
16358
16359
16360
16361
16362
16363
16364
.....
16484
16485
16486
16487
16488
16489
16490
16491
16492
16493
16494
16495
16496
16497
16498
16499
16500
16501
16502
16503
16504
16505
16506
16507
.....
16611
16612
16613
16614
16615
16616
16617

16618
16619
16620
16621
16622
16623
16624
.....
17416
17417
17418
17419
17420
17421
17422
17423
17424
17425
17426
17427
17428

17429
17430
17431

17432
17433
17434
17435
17436
17437
17438
17439
17440
17441
17442
17443
17444
17445
17446
17447
17448
17449
17450
17451
17452
17453
17454
17455
17456
17457
17458
17459
17460
17461
17462
.....
17688
17689
17690
17691
17692
17693
17694
17695
17696
17697
17698
17699
17700
17701
17702
17703
17704
.....
17706
17707
17708
17709
17710
17711
17712
17713
17714
17715
17716
17717
17718
17719
17720
.....
18021
18022
18023
18024
18025
18026
18027
18028
18029
18030
18031
18032
18033
18034
18035
.....
18462
18463
18464
18465
18466
18467
18468
18469
18470
18471
18472
18473
18474
18475
18476
.....
18477
18478
18479
18480
18481
18482
18483
18484
18485
18486
18487
18488
18489
18490

18491
18492
18493
18494
18495
18496
18497
18498
18499
18500
18501
18502
18503
18504
18505
18506

18507
18508
18509
18510
18511
18512
18513
18514
18515
18516
18517
18518
18519
18520
18521
18522
18523
18524
18525
18526
18527
18528
18529
18530
18531
18532
18533
18534
18535
18536
18537
.....
18753
18754
18755
18756
18757
18758
18759
18760
18761
18762
18763
18764
18765
18766
18767
.....
20177
20178
20179
20180
20181
20182
20183
20184
20185
20186
20187
20188
20189
20190
20191
20192
20193
20194
20195
.....
20213
20214
20215
20216
20217
20218
20219
20220
20221
20222
20223
20224
20225
20226
20227
20228
20229
20230
20231
20232
.....
27168
27169
27170
27171
27172
27173
27174
27175
27176
27177
27178
27179
27180
27181
27182
27183
27184
.....
27364
27365
27366
27367
27368
27369
27370
27371
27372
27373
27374
27375
27376
27377
27378
27379
.....
27395
27396
27397
27398
27399
27400
27401
27402
27403
27404
27405
27406
27407
27408
27409
.....
28115
28116
28117
28118
28119
28120
28121

28122

28123
28124
28125
28126
28127
28128
28129
28130
.....
28188
28189
28190
28191
28192
28193
28194
28195
28196
28197
28198
28199
28200
28201
28202
.....
28821
28822
28823
28824
28825
28826
28827
28828
28829
28830
28831
28832
28833
28834
28835
28836
28837
28838
28839
28840
28841
28842
28843
28844
28845
28846
28847
28848
28849
28850
28851
28852
28853
28854
28855
28856
28857
28858
28859
28860
28861
28862
28863
28864
28865
28866
28867
28868
28869
28870
28871
28872
28873
28874
28875
28876
28877
28878
28879
28880
28881
28882
28883
28884
28885
28886
28887
28888
28889
28890
.....
29856
29857
29858
29859
29860
29861
29862
29863
29864
29865
29866
29867
29868
29869
29870
29871
29872
29873
29874
.....
29909
29910
29911
29912
29913
29914
29915
29916
29917
29918
29919
29920
29921
29922
29923
29924
29925
29926
29927
29928
29929
29930
.....
30223
30224
30225
30226
30227
30228
30229
30230
30231
30232
30233
30234
30235
30236
30237
30238
30239
30240
30241
30242
30243
30244
30245
30246
30247
30248
30249
30250
30251
30252
30253
.....
30423
30424
30425
30426
30427
30428
30429
30430
30431
30432
30433
30434
30435
30436
30437
30438
30439
30440
30441
30442
30443
30444
30445
30446
30447
30448
30449
.....
31788
31789
31790
31791
31792
31793
31794
31795
31796
31797
31798
31799
31800
31801
31802
.....
31994
31995
31996
31997
31998
31999
32000
32001
32002
32003
32004
32005
32006
32007
32008
.....
32042
32043
32044
32045
32046
32047
32048
32049
32050
32051
32052
32053
32054
32055
32056
32057
.....
32218
32219
32220
32221
32222
32223
32224
32225
32226
32227
32228
32229
32230
32231
32232
32233
32234
32235
32236
32237
32238
32239
32240
32241
32242
32243
32244
32245
32246
32247
32248
32249
32250
.....
32267
32268
32269
32270
32271
32272
32273

32274
32275
32276
32277
32278
32279
32280
32281
32282
32283
32284
32285
.....
49127
49128
49129
49130
49131
49132
49133
49134


49135
49136
49137
49138
49139
49140
49141
.....
51411
51412
51413
51414
51415
51416
51417
51418
51419
51420
51421
51422
51423
51424
51425
51426
51427
.....
54363
54364
54365
54366
54367
54368
54369
54370
54371
54372
54373
54374
54375
54376
54377
54378
54379
54380
54381
54382
54383
54384
.....
57751
57752
57753
57754
57755
57756
57757
57758
57759
57760
57761
57762
57763
57764
57765
57766
57767
57768
57769
57770
.....
58284
58285
58286
58287
58288
58289
58290
58291
58292
58293
58294
58295
58296
58297
58298
.....
58885
58886
58887
58888
58889
58890
58891
58892
58893
58894
58895
58896
58897
58898
58899
.....
58989
58990
58991
58992
58993
58994
58995
58996
58997
58998
58999
59000
59001
59002
59003
.....
59297
59298
59299
59300
59301
59302
59303
59304
59305
59306
59307
59308
59309
59310
59311
59312
59313
59314
59315
59316
59317
59318
59319
59320
59321
59322
59323
59324
59325
59326
59327
.....
59927
59928
59929
59930
59931
59932
59933
59934
59935
59936
59937
59938
59939
59940
59941
.....
62463
62464
62465
62466
62467
62468
62469
62470
62471
62472
62473
62474
62475
62476
62477
.....
64017
64018
64019
64020
64021
64022
64023
64024
64025
64026
64027
64028
64029
64030
64031
64032
64033
64034
64035
64036
64037
64038
64039
64040
64041
64042
.....
64609
64610
64611
64612
64613
64614
64615
64616
64617
64618
64619
64620
64621
64622
64623
64624
64625
64626





64627
64628
64629
64630
64631
64632
64633
64634
.....
64639
64640
64641
64642
64643
64644
64645
64646
64647
64648
64649
64650
64651
64652
64653
64654
64655
64656
.....
64693
64694
64695
64696
64697
64698
64699
64700
64701
64702
64703
64704
64705
64706
64707
.....
64721
64722
64723
64724
64725
64726
64727
64728
64729
64730
64731
64732
64733
64734
64735
64736
64737
64738
64739
64740
64741
64742
64743
64744



64745
64746
64747
64748
64749
64750
64751
64752
64753
64754
64755
64756
64757
64758
64759
64760
64761
64762
64763
64764
64765
64766
64767

64768
64769
64770
64771
64772
64773
64774
64775
64776
64777
64778
64779
64780
64781
64782
64783
64784
64785
.....
64821
64822
64823
64824
64825
64826
64827
64828
64829
64830
64831
64832
64833
64834
64835
64836
64837
.....
64845
64846
64847
64848
64849
64850
64851
64852
64853
64854
64855
64856
64857
64858
64859
64860
64861
64862
64863
64864
64865
64866
64867
64868
.....
64873
64874
64875
64876
64877
64878
64879
64880
64881
64882
64883
64884
64885
64886
64887
.....
65035
65036
65037
65038
65039
65040
65041
65042
65043





65044

65045
65046
65047
65048

65049

65050
65051
65052
65053
65054
65055
65056
65057
65058
65059
65060
65061
65062
65063
65064
65065
65066













65067
65068
65069
65070






















65071
65072




















65073
65074
65075
65076
65077
65078
65079
.....
65113
65114
65115
65116
65117
65118
65119
65120
65121
65122
65123
65124
65125
65126
65127
65128
65129
65130
65131
65132
65133
65134
65135
65136
65137
65138
65139
65140
65141
65142
65143
65144
65145
65146
65147
65148
65149
65150
65151
65152
65153
65154
65155
65156
65157
65158
65159
65160
65161
65162
65163
65164
65165
65166
65167
65168
65169
65170
65171
65172
65173
65174
65175
65176
65177
65178
65179
65180
65181
65182
65183
65184
65185
65186
65187
65188
65189
65190
65191
65192
65193
65194
65195
65196
65197
65198
65199
65200
65201
65202
65203
65204
65205
65206
65207
65208
65209
65210
65211
65212
65213
65214
65215
65216
65217
65218
65219
65220
.....
65349
65350
65351
65352
65353
65354
65355
65356
65357
65358
65359
65360
65361
65362
65363
65364
65365
65366

65367
65368
65369
65370
65371
65372
65373
65374
65375
65376

65377
65378
65379
65380
65381
65382
65383
65384
65385
65386
65387
65388
65389
65390
.....
68457
68458
68459
68460
68461
68462
68463

















68464
68465
68466
68467
68468
68469
68470
.....
68722
68723
68724
68725
68726
68727
68728
68729
68730
68731
68732
68733
68734
68735
68736
.....
69354
69355
69356
69357
69358
69359
69360
69361
69362
69363
69364
69365
69366
69367
69368
69369
69370
69371
69372
69373
69374
69375
69376
.....
69773
69774
69775
69776
69777
69778
69779
69780
69781
69782
69783
69784
69785
69786
69787
.....
69844
69845
69846
69847
69848
69849
69850
69851
69852
69853
69854
69855
69856
69857
69858
.....
69902
69903
69904
69905
69906
69907
69908
69909
69910
69911
69912
69913
69914
69915
69916
.....
69989
69990
69991
69992
69993
69994
69995
69996
69997
69998
69999
70000
70001
70002
70003
70004
70005
70006
70007
70008
70009
.....
70324
70325
70326
70327
70328
70329
70330
70331
70332
70333
70334
70335
70336
70337
70338
70339
70340
.....
70402
70403
70404
70405
70406
70407
70408
70409
70410
70411
70412
70413
70414
70415
70416
70417
70418
70419
.....
70575
70576
70577
70578
70579
70580
70581
70582
70583
70584
70585
70586
70587
70588
70589
.....
70684
70685
70686
70687
70688
70689
70690
70691
70692
70693
70694
70695
70696
70697
70698
.....
70724
70725
70726
70727
70728
70729
70730
70731
70732
70733
70734
70735
70736
70737
70738
70739
70740
70741
70742
70743
70744
.....
70774
70775
70776
70777
70778
70779
70780
70781
70782
70783
70784
70785
70786
70787
70788
70789
70790
70791
70792
70793
70794
70795
70796
70797
70798
70799
.....
70925
70926
70927
70928
70929
70930
70931
70932
70933
70934
70935
70936
70937
70938
70939
70940
70941
70942
70943
70944
70945
70946
70947
.....
71159
71160
71161
71162
71163
71164
71165

71166

71167
71168
71169
71170
71171
71172
71173
71174
71175
71176

71177
71178
71179
71180
71181
71182
71183
.....
71184
71185
71186
71187
71188
71189
71190
71191
71192
71193
71194
71195
71196
71197
71198
.....
71335
71336
71337
71338
71339
71340
71341
71342
71343
71344
71345
71346
71347
71348
71349
71350
.....
71435
71436
71437
71438
71439
71440
71441
71442
71443
71444
71445
71446
71447
71448
71449
.....
71477
71478
71479
71480
71481
71482
71483
71484
71485
71486
71487
71488
71489
71490
71491
.....
71506
71507
71508
71509
71510
71511
71512
71513
71514
71515
71516
71517
71518
71519
71520
71521
71522
.....
71855
71856
71857
71858
71859
71860
71861
71862
71863
71864
71865
71866
71867
71868
71869
71870
71871
71872
.....
72001
72002
72003
72004
72005
72006
72007
72008
72009
72010
72011
72012
72013

72014
72015
72016
72017
72018
72019
72020
72021
72022
72023
72024
72025
72026
.....
72083
72084
72085
72086
72087
72088
72089
72090
72091
72092
72093
72094
72095
72096
72097
72098
72099
72100
.....
72445
72446
72447
72448
72449
72450
72451
72452
72453
72454
72455
72456
72457
72458
72459
72460
72461
.....
72796
72797
72798
72799
72800
72801
72802
72803
72804
72805
72806
72807
72808
72809
72810
72811
72812
72813
.....
72981
72982
72983
72984
72985
72986
72987
72988
72989
72990
72991
72992
72993
72994
72995
72996
72997
72998
72999
.....
73058
73059
73060
73061
73062
73063
73064
73065
73066
73067
73068
73069
73070
73071
73072
.....
73118
73119
73120
73121
73122
73123
73124
73125
73126
73127
73128
73129
73130
73131
73132
73133
73134
73135
73136
73137
73138
73139
73140
73141
73142
73143
73144
.....
74474
74475
74476
74477
74478
74479
74480
74481
74482
74483
74484
74485
74486
74487
74488
.....
74595
74596
74597
74598
74599
74600
74601
74602

74603
74604
74605
74606
74607
74608
74609
.....
74614
74615
74616
74617
74618
74619
74620

74621
74622
74623
74624
74625
74626
74627
.....
74715
74716
74717
74718
74719
74720
74721
74722
74723
74724
74725
74726
74727
74728
74729
74730
74731
74732
74733
74734
74735
74736
74737
.....
75464
75465
75466
75467
75468
75469
75470

75471
75472
75473
75474
75475
75476
75477
75478
75479
75480
75481
75482
75483
75484
75485
75486
75487
75488
75489
75490
75491
75492
75493
75494
75495




75496
75497
75498
75499
75500
75501
75502
75503
75504
75505
75506
75507
75508
75509
75510
75511
75512
.....
76466
76467
76468
76469
76470
76471
76472
76473
76474
76475
76476
76477
76478
76479
76480
76481
76482
76483
76484
.....
76950
76951
76952
76953
76954
76955
76956
76957
76958
76959
76960
76961
76962
76963
76964
.....
77258
77259
77260
77261
77262
77263
77264
77265
77266
77267
77268
77269
77270
77271
77272
.....
78379
78380
78381
78382
78383
78384
78385
78386
78387
78388
78389
78390
78391
78392
78393
78394
78395
.....
78401
78402
78403
78404
78405
78406
78407
78408
78409
78410
78411
78412
78413
78414
78415
.....
81358
81359
81360
81361
81362
81363
81364
81365
81366
81367
81368
81369
81370
81371
81372
.....
81565
81566
81567
81568
81569
81570
81571
81572
81573
81574
81575
81576
81577
81578
81579
81580
81581
81582
81583
.....
82416
82417
82418
82419
82420
82421
82422
82423
82424
82425
82426
82427
82428
82429
82430
82431
82432
82433
.....
82440
82441
82442
82443
82444
82445
82446
82447
82448
82449
82450
82451
82452
82453
82454
82455
82456
82457
82458
82459
82460
82461
82462
.....
82465
82466
82467
82468
82469
82470
82471
82472

82473
82474
82475
82476

82477
82478
82479
82480
82481
82482
82483
.....
82488
82489
82490
82491
82492
82493
82494
82495

82496
82497
82498
82499

82500
82501
82502
82503
82504
82505
82506
82507
82508
82509
82510
82511

82512
82513
82514
82515

82516
82517
82518
82519
82520
82521
82522
82523
82524
82525

82526
82527
82528
82529

82530
82531
82532
82533
82534
82535
82536
82537
82538
82539

82540
82541
82542
82543

82544
82545
82546
82547
82548
82549
82550
.....
82903
82904
82905
82906
82907
82908
82909
82910
82911
82912
82913
82914
82915
82916
82917
82918
82919
82920
82921
82922
82923
82924
.....
83601
83602
83603
83604
83605
83606
83607
83608
83609
83610
83611
83612
83613
83614
83615
83616
83617
83618
83619
83620
83621
83622
83623
83624
83625
83626
83627
83628
83629
83630
83631
83632
83633
83634
83635
83636
83637
83638
83639
83640
83641
.....
83651
83652
83653
83654
83655
83656
83657
83658
83659
83660
83661
83662
83663
83664
83665
83666
83667
83668
83669
83670
83671
83672
83673
83674
83675
83676
.....
84210
84211
84212
84213
84214
84215
84216
84217
84218
84219
84220
84221
84222
84223
84224
84225
84226
84227
84228
84229
84230
84231
84232
84233
84234
84235
84236
84237
84238









84239
84240
84241
84242
84243
84244
84245
.....
84407
84408
84409
84410
84411
84412
84413
84414
84415
84416
84417
84418
84419
84420
84421
84422
84423
84424
84425
.....
84690
84691
84692
84693
84694
84695
84696
84697
84698
84699
84700
84701
84702
84703
84704
84705
84706
84707
84708
84709

84710
84711
84712
84713
84714
84715
84716
.....
84824
84825
84826
84827
84828
84829
84830
84831
84832
84833
84834
84835
84836
84837
84838
84839
84840
84841
.....
84960
84961
84962
84963
84964
84965
84966












84967
84968
84969
84970
84971
84972
84973
.....
85325
85326
85327
85328
85329
85330
85331

85332
85333
85334
85335
85336
85337
85338
85339
85340
85341
85342
85343
85344
85345
85346
85347
85348
85349
.....
85510
85511
85512
85513
85514
85515
85516

85517
85518
85519
85520
85521
85522
85523
85524
85525
85526
85527
85528
85529
85530
85531
85532
.....
85636
85637
85638
85639
85640
85641
85642
85643
85644
85645
85646
85647
85648
85649
85650
.....
86186
86187
86188
86189
86190
86191
86192
86193
86194
86195
86196
86197
86198
86199
86200

86201
86202
86203
86204
86205
86206
86207
86208
.....
87197
87198
87199
87200
87201
87202
87203
87204
87205
87206
87207
87208
87209
87210
87211
.....
88706
88707
88708
88709
88710
88711
88712
88713
88714
88715
88716
88717
88718
88719
88720




88721
88722
88723
88724
88725
88726
88727
88728
88729
88730
88731
88732
88733
88734
88735
88736
88737
88738
.....
88739
88740
88741
88742
88743
88744
88745



88746
88747
88748
88749
88750
88751
88752
.....
89748
89749
89750
89751
89752
89753
89754
89755

89756
89757
89758
89759
89760
89761
89762
.....
90120
90121
90122
90123
90124
90125
90126
90127
90128
90129
90130
90131
90132
90133
90134
.....
91158
91159
91160
91161
91162
91163
91164
91165
91166
91167
91168
91169
91170
91171
91172
91173
91174
91175
91176
91177
91178
91179
91180
91181
.....
92254
92255
92256
92257
92258
92259
92260
92261
92262
92263
92264
92265
92266
92267
92268
.....
93545
93546
93547
93548
93549
93550
93551
93552
93553
93554
93555

93556
93557
93558
93559

93560
93561
93562
93563
93564
93565
93566
93567
93568
93569
93570
93571
.....
95543
95544
95545
95546
95547
95548
95549
95550
95551
95552
95553
95554
95555
95556
95557
95558
95559
95560
.....
95838
95839
95840
95841
95842
95843
95844
95845
95846
95847
95848
95849
95850
95851
95852
.....
95960
95961
95962
95963
95964
95965
95966
95967
95968
95969
95970

95971
95972
95973
95974
95975
95976
95977
95978
.....
95985
95986
95987
95988
95989
95990
95991
95992
95993
95994
95995
95996
95997
95998
95999
.....
96003
96004
96005
96006
96007
96008
96009

96010
96011
96012
96013
96014
96015
96016
96017
96018
.....
96541
96542
96543
96544
96545
96546
96547
96548
96549
96550
96551
96552
96553
96554
96555
.....
96673
96674
96675
96676
96677
96678
96679
96680
96681
96682
96683
96684
96685
96686
96687
96688
96689
96690
96691
96692
96693
96694
96695
96696
96697
96698
.....
96765
96766
96767
96768
96769
96770
96771
96772
96773
96774
96775
96776
96777
96778
96779
96780
.....
96782
96783
96784
96785
96786
96787
96788
96789
96790
96791
96792
96793

96794
96795
96796
96797
96798
96799
96800
.....
97742
97743
97744
97745
97746
97747
97748
97749
97750
97751
97752
97753
97754
97755
97756
.....
98207
98208
98209
98210
98211
98212
98213
98214
98215
98216
98217
98218
98219
98220
98221
.....
98472
98473
98474
98475
98476
98477
98478
98479
98480
98481
98482
98483
98484
98485
98486
......
101917
101918
101919
101920
101921
101922
101923
101924
101925
101926
101927
101928
101929
101930
101931
101932
101933
101934
101935
101936
101937
101938
101939
101940
101941
......
102509
102510
102511
102512
102513
102514
102515
102516
102517
102518
102519

102520
102521
102522
102523
102524
102525
102526
102527
102528
102529
102530
102531
......
102586
102587
102588
102589
102590
102591
102592

102593
102594
102595
102596
102597
102598
102599
......
102906
102907
102908
102909
102910
102911
102912
102913
102914
102915
102916
102917
102918
102919
102920
......
106161
106162
106163
106164
106165
106166
106167
106168
106169
106170
106171
106172
106173
106174
106175
106176
106177
106178
106179
106180
106181
106182
......
107097
107098
107099
107100
107101
107102
107103
107104
107105
107106
107107
107108
107109
107110
107111
107112
107113
107114
107115
107116
......
108242
108243
108244
108245
108246
108247
108248
108249
108250
108251
108252
108253
108254
108255
108256
108257
......
108664
108665
108666
108667
108668
108669
108670
108671
108672
108673
108674
108675
108676
108677
108678
......
108834
108835
108836
108837
108838
108839
108840
108841
108842
108843
108844
108845
108846
108847
108848
108849
108850
108851
108852
......
109992
109993
109994
109995
109996
109997
109998
109999
110000
110001
110002
110003
110004
110005

110006
110007
110008
110009
110010
110011
110012
......
110102
110103
110104
110105
110106
110107
110108
110109
110110
110111
110112
110113
110114
110115
110116
......
110121
110122
110123
110124
110125
110126
110127
110128
110129
110130
110131
110132
110133
110134
110135
......
110605
110606
110607
110608
110609
110610
110611
110612
110613
110614
110615
110616
110617
110618
110619
110620
110621
110622
110623

110624
110625
110626
110627
110628
110629
110630
......
110727
110728
110729
110730
110731
110732
110733
110734
110735
110736
110737
110738
110739
110740
110741
......
111234
111235
111236
111237
111238
111239
111240
111241
111242
111243
111244
111245
111246
111247
111248
111249
......
111484
111485
111486
111487
111488
111489
111490
111491
111492
111493
111494
111495
111496
111497
111498
......
114791
114792
114793
114794
114795
114796
114797
114798
114799
114800
114801
114802
114803
114804
114805
114806
114807
114808
......
118118
118119
118120
118121
118122
118123
118124
118125
118126
118127
118128
118129
118130
118131
118132
118133
118134
......
118724
118725
118726
118727
118728
118729
118730
118731
118732
118733
118734
118735
118736
118737
118738
118739
118740
118741
118742
118743
118744
......
118808
118809
118810
118811
118812
118813
118814
118815
118816
118817
118818
118819
118820
118821
118822
......
118871
118872
118873
118874
118875
118876
118877
118878
118879
118880
118881
118882
118883
118884
118885
......
119383
119384
119385
119386
119387
119388
119389
119390
119391
119392
119393
119394
119395
119396
119397
119398
119399
......
119675
119676
119677
119678
119679
119680
119681
119682
119683
119684
119685
119686
119687
119688
119689
119690
119691
......
120137
120138
120139
120140
120141
120142
120143
120144
120145
120146
120147
120148
120149
120150
120151
120152
120153
120154
120155
120156
120157
......
129923
129924
129925
129926
129927
129928
129929
129930
129931
129932
129933
129934
129935
129936
129937
......
134015
134016
134017
134018
134019
134020
134021
134022
134023
134024
134025
134026
134027
134028
134029
134030
134031
134032
134033
134034
134035
134036
134037
134038
134039
134040
134041
134042
134043
134044
134045
134046
134047
134048
134049
134050
134051
134052
134053
134054
134055
134056
134057
134058
134059
134060
134061
134062
134063
134064
134065
134066
134067
......
134092
134093
134094
134095
134096
134097
134098
134099
134100
134101
134102
134103
134104
134105
134106
134107
134108
134109
134110
134111
134112
134113
134114
134115
134116
134117
134118
134119
134120
......
134595
134596
134597
134598
134599
134600
134601
134602
134603
134604
134605
134606
134607
134608
134609
134610
134611
134612
134613
134614
134615
......
134636
134637
134638
134639
134640
134641
134642
134643
134644
134645
134646
134647
134648
134649
134650
134651
134652
......
134671
134672
134673
134674
134675
134676
134677
134678
134679
134680
134681
134682
134683
134684
134685
......
134960
134961
134962
134963
134964
134965
134966
134967
134968
134969
134970
134971
134972
134973
134974
134975
......
135457
135458
135459
135460
135461
135462
135463
135464
135465
135466
135467
135468
135469
135470
135471
135472
135473
......
137296
137297
137298
137299
137300
137301
137302
137303
137304
137305
137306
137307
137308
137309
137310
137311
137312
137313
137314
137315
137316
137317
137318
137319
137320
137321
137322
137323
137324
137325
137326
137327
137328
137329
137330
137331
137332
137333
137334
137335
137336
137337
......
137933
137934
137935
137936
137937
137938
137939
137940
137941
137942
137943
137944
137945
137946
137947
137948
137949
137950
137951
137952
137953
137954
......
138105
138106
138107
138108
138109
138110
138111
138112
138113
138114
138115
138116
138117
138118
138119
138120
138121
138122
138123
138124
......
138340
138341
138342
138343
138344
138345
138346
138347
138348
138349

138350
138351
138352
138353
138354
138355
138356
......
139944
139945
139946
139947
139948
139949
139950
139951
139952
139953
139954
139955
139956
139957
139958
139959
139960
139961
139962
139963
......
143366
143367
143368
143369
143370
143371
143372
143373
143374
143375
143376
143377
143378
143379
143380
143381
143382
143383
143384
......
145603
145604
145605
145606
145607
145608
145609
145610
145611
145612
145613
145614
145615
145616
145617
145618
145619
145620
145621
145622
145623
145624
145625
145626
145627
145628
145629
145630
145631
145632
145633
145634
145635
145636
145637
145638
145639
145640
145641
145642
145643
145644
145645
145646
145647
145648
145649
145650
145651
145652
145653
145654
145655
145656
145657
145658
145659
145660
145661
145662
145663
145664
145665
145666
145667
145668
145669
145670
145671
145672
145673
145674
145675
145676
145677
145678
145679
145680
145681
145682
145683
145684
145685
145686
145687
145688
145689
145690
145691
145692
145693
145694
145695
145696
145697
145698
145699
145700
145701
145702
145703
145704
145705
145706
......
145728
145729
145730
145731
145732
145733
145734
145735
145736
145737
145738
145739
145740
145741
145742
145743

145744
145745
145746
145747

145748



145749

145750
145751
145752
145753
145754
145755
145756
145757
145758
145759
145760
145761
145762
145763
145764
145765
145766
145767
145768
145769
145770
145771

145772
145773
145774
145775
145776
145777
145778
145779
145780
145781
145782
145783
145784
145785
145786
145787
145788

145789
145790
145791
145792

145793

145794
145795
145796
145797
145798
145799
145800
145801
145802
145803
145804
145805
145806
145807
145808
145809
145810
145811
145812
145813
145814
145815
145816
145817
145818
145819
145820
145821
......
145822
145823
145824
145825
145826
145827
145828
145829
145830
145831
145832
145833
145834
145835
145836
145837
145838
145839
145840
145841

145842
145843
145844
145845
145846
145847
145848
145849
145850
145851
145852
145853
145854
145855
145856
145857
145858
145859
145860
145861
145862
145863
145864
145865
145866
145867
145868
145869
145870
145871
145872
145873
145874
145875
145876
145877
145878
145879
145880
145881
145882
145883
145884
145885
145886
145887
145888
145889
145890
145891
......
145927
145928
145929
145930
145931
145932
145933
145934
145935
145936
145937
145938
145939
145940
145941
......
146017
146018
146019
146020
146021
146022
146023
146024
146025
146026
146027
146028
146029
146030
146031
146032
146033
146034
146035
146036
146037
146038
146039
146040
146041
146042
146043
146044
146045
146046
146047
146048
146049
146050
146051
146052
146053
146054
146055
146056
......
146067
146068
146069
146070
146071
146072
146073
146074
146075



146076



146077
146078
146079
146080
146081
146082
146083
146084
146085
146086
146087
146088
146089
146090
146091
146092
146093
146094
146095
146096
146097
146098
146099
146100
146101
146102
146103
146104
146105
146106
146107
146108
146109
146110
146111
146112
146113
146114
146115
146116
146117
146118
146119
146120
146121
146122
146123

146124
146125
146126

146127
146128
146129
146130









146131
146132
146133
146134
146135
146136
146137
146138
146139
146140
......
146331
146332
146333
146334
146335
146336
146337
146338
146339
146340
146341
146342
146343
146344
146345
......
146387
146388
146389
146390
146391
146392
146393
146394
146395
146396
146397
146398
146399
146400
146401
146402
146403
......
146410
146411
146412
146413
146414
146415
146416
146417
146418
146419
146420
146421
146422
146423
146424
......
146447
146448
146449
146450
146451
146452
146453
146454
146455
146456
146457
146458
146459
146460
146461
146462
146463
146464
146465
146466
146467
146468
146469
146470
146471
146472

146473
146474
146475




146476
146477
146478
146479
146480
146481
146482
......
146488
146489
146490
146491
146492
146493
146494
146495
146496
146497
146498
146499
146500
146501
146502
146503
146504
146505
146506
146507
146508
146509
146510
146511
146512
146513
146514
146515
146516
146517
146518
146519
146520
146521
146522
146523
146524
146525
146526
146527
146528
146529
146530
146531
146532
146533
146534
146535
146536
146537
146538
146539
146540
146541
146542
146543
146544
146545
146546
146547
146548
146549
146550
146551
146552
146553
146554
146555
146556
146557
146558
146559
146560
146561
146562
146563
146564
146565
146566
146567
146568
146569
146570
146571
146572
146573
146574
146575
146576
146577
146578
146579
146580
146581
146582
146583
146584
146585
146586
146587
......
146603
146604
146605
146606
146607
146608
146609
146610
146611
146612
146613
146614
146615
146616
146617
146618
146619
146620
......
146623
146624
146625
146626
146627
146628
146629
146630
146631
146632
146633
146634


146635
146636
146637
146638
146639
146640
146641
146642
146643
146644
146645
146646
146647
146648
146649
146650
146651
146652
146653
146654
146655
146656
146657
......
146672
146673
146674
146675
146676
146677
146678

146679
146680
146681
146682
146683
146684

146685
146686
146687
146688
146689
146690
146691
146692
146693
146694
146695
146696
146697
146698
146699
146700
146701
146702
146703
146704
146705
146706
146707
146708
146709
146710
146711
146712
146713
146714

146715
146716
146717
146718
146719
146720
146721
146722
146723
146724
146725
146726
146727
146728
146729
146730
146731
146732
146733
146734
146735
146736
146737
146738
146739
146740
146741
146742
146743
146744
146745
146746
......
146772
146773
146774
146775
146776
146777
146778
146779

146780
146781
146782
146783
146784
146785
146786


146787
146788
146789
146790
146791





146792

146793
146794

146795


146796
146797

146798
146799
146800
146801
146802
146803
146804
146805
146806
146807
......
146810
146811
146812
146813
146814
146815
146816
146817
146818
146819
146820
146821
146822




146823
146824
146825
146826
146827

146828
146829



146830
146831

146832
146833

146834
146835
146836
146837
146838
146839
146840
146841
146842
146843
146844
146845
146846
146847
146848
146849
146850
146851
146852
146853
146854
146855
146856
146857
146858
146859
146860
146861
146862
146863
146864
146865
146866
146867
146868
146869
146870
146871
146872
146873
146874
146875
146876
146877
146878
146879
146880
146881
146882
146883
146884
146885
146886
146887
146888
146889
146890
146891
146892
146893
146894
146895
146896
146897
146898
146899
146900
146901
146902
146903
146904
146905
146906
146907
146908
146909
146910
146911
146912
146913
146914
146915
146916
146917
146918
146919
146920



146921
146922
146923
146924
146925
146926
146927
146928
146929
146930
146931
146932
146933
146934
146935
146936
146937
146938
146939
146940
146941
146942
146943
146944
146945
146946
146947
146948
146949
146950
146951
146952
146953
146954
146955
146956
146957
146958
146959
146960
146961
146962
146963
146964
146965
146966
146967
146968
146969
146970
146971
146972
146973
146974
146975
146976
146977
146978
146979
146980
146981
146982
146983
146984
146985
146986
146987
146988
146989
146990
146991
146992
146993
146994
146995
146996
146997
146998
146999
147000
147001
147002
147003
147004
147005
147006
147007
147008
147009
147010
147011
147012
147013
147014
147015
147016
147017
147018
147019
147020
147021
147022
147023
147024
147025
147026
147027
147028
147029
147030
147031
147032
147033
147034
147035
147036
......
147038
147039
147040
147041
147042
147043
147044
147045

147046



147047
147048
147049
147050
147051
147052
147053
147054
147055
147056
147057
147058
147059
147060
147061
147062
147063
147064
147065
147066
147067
147068
147069
147070
147071
147072
147073
147074
147075
147076
147077
147078
147079
147080
147081

147082
147083
147084
147085
147086
147087
147088
147089
147090
147091
147092
147093
147094
147095
147096
147097
147098
147099
147100
147101
147102
147103
147104
147105
147106
147107
147108
147109
147110

147111






























147112







147113
147114
147115
147116
147117
147118
147119
......
147123
147124
147125
147126
147127
147128
147129
147130
147131
147132
147133
147134
147135
147136
147137
147138
147139
147140
147141
147142
147143
147144
147145
147146
147147
147148
147149
147150
147151
147152
147153
147154
147155
147156
147157
147158
147159
147160
147161
147162
147163
147164
147165
147166
147167
147168
147169
147170
147171
147172
147173
147174
147175
147176
147177
147178
147179
147180
147181
147182
147183
147184
147185
147186
147187
147188
147189
147190
147191
147192
147193
147194
147195
147196
147197
147198
147199
147200
147201
147202
147203
147204
147205
147206
147207
147208
147209
147210
147211
147212
147213
147214
147215
147216
147217
147218
147219
147220
147221
147222
147223
147224
147225
147226
147227
147228
147229
147230
147231
147232
147233
147234
147235
147236
147237
147238
147239
147240
147241
147242
147243
147244
147245
147246
147247
147248
147249
147250
147251
147252
147253
147254
147255
147256
147257
147258
147259
147260
147261
147262
147263
147264
147265
147266
147267
147268
147269
147270
147271
147272
147273
147274
147275
147276
147277
147278
147279
147280
147281
147282
147283
147284
147285
147286
147287
147288
147289
147290
147291
147292
147293
147294
147295
147296
147297
147298
147299
147300
147301
147302
147303
147304
147305
147306
147307
147308
147309
147310
147311
147312
147313
147314
147315
147316
147317
147318
147319
147320
147321
147322
147323
147324
147325
147326
147327
147328
147329
147330
147331
147332
147333
147334
147335
147336
147337
147338
147339
147340
147341
147342
147343
147344
147345
147346
147347
147348
147349
147350
147351
147352
147353
147354
147355
147356
147357
147358
147359
147360
147361
147362
147363
147364
147365
147366
147367
147368
147369
147370
147371
147372
147373
147374
147375
147376
147377
147378
147379
147380
147381
147382
147383
147384
147385
147386
147387
147388








































































































































































































































































































































































































































147389
147390
147391
147392
147393
147394
147395
......
147398
147399
147400
147401
147402
147403
147404
147405
147406
147407
147408
147409
147410
147411
147412
147413
147414
147415
......
147427
147428
147429
147430
147431
147432
147433
147434
147435
147436
147437
147438
147439
147440
147441
147442
147443
147444
147445
147446
147447
147448
147449
147450
147451
147452
147453
147454
147455
147456
147457
147458
147459

147460
147461



147462
147463
147464
147465
147466
147467
147468
147469
147470








147471
147472
147473
147474
147475

147476
147477
147478
147479
147480
147481

147482
147483
147484
147485
147486
147487
147488
147489
147490
147491
147492
147493
147494
147495
147496
147497
147498
147499
147500
147501
147502
147503
147504
147505
147506
147507




147508
147509

147510
147511
147512
147513

147514
147515
147516
147517




147518
147519
147520
147521


147522
147523
147524
147525
147526
147527
147528
147529

147530
147531
147532
147533
147534
147535
147536
147537
147538
147539
147540
147541
147542
147543
147544
147545
147546
147547
147548
147549
147550
147551
147552
147553
147554
147555
147556
147557
147558
147559
147560
147561
147562
147563
147564
147565
147566
147567
147568
147569
147570
147571
147572
147573
147574
147575
147576
147577
147578
147579
147580
147581
147582
147583
147584
147585
147586
147587
147588
147589
147590
147591
147592
147593
147594
147595
147596
147597
147598
147599
147600
147601
147602
147603
147604
147605
147606
147607
147608
147609
147610
147611
147612
147613
147614
147615
147616
147617
147618
147619
147620
147621
147622
147623
147624
147625
147626
147627
147628
147629
147630
147631
147632
147633
147634
147635
147636
147637
147638
147639
147640
147641
147642
147643
147644
147645
147646
147647
147648
147649
147650
147651
147652
147653
147654
147655
147656
147657
147658
147659
147660
147661
147662
147663
147664
147665
147666
147667
147668
147669
147670
147671
147672
147673
147674
147675
147676
147677
147678
147679
147680
147681
147682
147683
147684
147685
147686
147687

147688



147689
147690
147691
147692
147693
147694
147695
147696
147697
147698
147699
147700
147701
147702
147703
147704
147705
147706
147707
147708
147709
147710
147711
147712
147713
147714
147715
147716
147717
147718
147719
147720
147721
147722
147723
147724
147725
147726
147727
147728
147729
147730
147731
147732
147733
147734
147735
147736
147737
147738
147739
147740
147741
147742
147743
147744
147745
147746
147747
147748
147749
147750
147751
147752
147753
147754
147755
147756
147757
147758
147759
147760
147761
147762
147763
147764
147765
147766
147767
147768
147769
147770
147771
147772
147773
147774
147775
147776
147777
147778
147779
147780
147781
147782
147783
147784
147785
147786
147787
147788
147789


147790
147791
147792
147793
147794
147795
147796



147797
147798
147799
147800
147801
147802
147803
147804
147805
147806
147807
147808
147809
147810
147811
147812
147813
147814
147815
147816
147817
147818
147819
147820
147821
147822
147823
147824
147825
147826
147827
147828
147829
147830
147831
147832
147833
147834
147835
147836








147837
147838
147839
147840
147841
147842
147843
147844
147845
147846
147847
147848
147849
147850
147851
147852
147853
147854

147855
147856
147857
147858
147859
147860
147861
147862
147863
147864
147865
147866
147867
147868
147869
147870
147871
147872
147873
147874




147875
147876
147877
147878
147879
147880
147881
147882
147883
147884
147885
147886
147887
147888
147889
147890
147891
147892
147893
147894
147895
147896
147897
147898
147899
147900
147901
147902
147903
147904
147905
147906
147907
147908
147909
147910
147911
147912
147913
147914
147915
147916
147917
147918
147919
147920
147921
147922
147923
147924
147925
147926
147927
147928
147929
147930
147931
147932
147933
147934
147935
147936
147937
147938
147939
147940
147941
147942
147943
147944
147945
147946
147947
147948
147949
147950
147951
147952
147953
147954
147955
147956
147957
147958
147959
147960
147961
147962
147963
147964
147965
147966
147967
147968
147969
147970
147971
147972
147973
147974
147975
147976
147977
147978
147979
147980
147981
147982
147983
147984
147985
147986
147987
147988
147989
147990
147991
147992
147993
147994
147995
147996
147997
147998
147999
148000
148001
148002
148003
148004
148005
148006
148007


148008
148009
148010
148011
148012
148013
148014
148015
148016
148017
148018
148019
148020
148021
148022
148023
148024
148025
148026
148027
148028
148029
148030
148031
148032
148033
148034
148035
148036
148037
148038
148039
148040
148041
148042
148043
148044
148045
148046
148047
148048
148049
148050
148051
148052
148053
148054
148055
148056
148057
148058
148059
148060
148061
148062
148063
148064
148065
148066
148067
148068
148069
148070
148071
148072
148073
148074
148075
148076
148077
148078
148079
148080
148081
148082
148083
148084
148085
148086
148087
148088
148089
148090
148091
148092
148093
148094
148095
148096
148097
148098
148099
148100
148101
148102
148103
148104
148105
148106
148107
148108
148109
148110
148111
148112
148113
148114
148115
148116
148117
148118
148119
......
148294
148295
148296
148297
148298
148299
148300
148301
148302
148303
148304
148305
148306
148307
148308
148309
148310
148311
......
148361
148362
148363
148364
148365
148366
148367
148368
148369
148370
148371
148372
148373
148374
148375
148376
148377
148378
148379
148380
148381
148382
148383
148384
148385
148386
148387
148388
148389
148390
148391
148392
148393
148394
148395
148396
......
148398
148399
148400
148401
148402
148403
148404
148405
148406
148407
148408
148409
148410
148411
148412
148413
148414
148415
148416
148417
148418
148419
148420
148421
148422
......
148475
148476
148477
148478
148479
148480
148481
148482
148483
148484
148485
148486
148487
148488
148489
148490
148491
148492
148493
148494
148495
148496
148497
148498
148499
148500
148501
148502
148503
148504
148505
148506
148507
148508
148509
148510
148511
148512
148513
148514
148515
148516
148517
148518
148519
148520
148521
148522
148523
148524
148525
148526
148527
148528
148529
148530
148531
148532
148533
148534
148535
148536
148537
148538
148539
148540
148541
148542
148543
148544
148545
148546
148547
148548
148549
148550
148551
148552
148553
148554
148555
148556
148557
148558
148559
148560
148561
148562
148563
148564
148565
148566
148567
148568
148569
148570
148571
148572
148573
148574
148575
148576
148577
148578
148579
148580
148581
148582
148583
148584
148585
148586
148587
148588
148589
148590
148591
148592
148593
148594
148595
148596
148597
148598
148599
148600
148601
148602
148603
148604
148605
148606
148607
148608
148609
148610
148611
148612
148613
148614
148615
148616
148617
148618
148619
148620
148621
148622
148623
148624
148625
148626
148627
148628
148629
148630
148631
148632
148633
148634
148635
148636
148637
148638
148639
148640
148641
148642
148643
148644
148645
148646
148647
148648
148649
148650
148651
148652
148653
148654
148655
148656
148657
148658
148659
148660
148661
148662
148663
148664
148665
148666
148667
148668
148669
148670
148671
148672
148673
148674
148675
148676
148677
148678
148679
148680
148681
148682
148683
148684
148685
148686
148687
148688
148689
148690
148691
148692
148693
148694
148695
148696
148697
148698
148699
148700
148701
148702
148703
148704
148705
148706
148707
148708
148709
148710
148711
148712
148713
148714
148715
148716
148717
148718
148719
148720
148721
148722
148723
148724
148725
148726
148727
148728
148729
148730
148731
148732
148733
148734
148735
148736
148737
148738
148739
148740
148741
148742
148743
148744
148745
148746
148747
148748
148749
148750
148751
148752
148753
148754
148755
148756
148757
148758
148759
148760
148761
148762
148763
148764
148765
148766
148767
148768
148769
148770
148771
148772
148773
148774
148775
148776
148777
148778
148779
148780
148781
148782
148783
148784
148785
148786
148787
148788
148789
148790
148791
148792
148793
148794
148795
148796
148797
148798
148799
148800
148801
148802
148803
148804
148805
148806
148807
148808
148809
148810
148811
148812
148813
148814
148815
148816
148817
148818
148819
148820
148821
148822
148823
148824
148825
148826
148827
148828
148829
148830
148831
148832
148833
148834
148835
148836
148837
148838
148839
148840
148841
148842
148843
148844
148845
148846
148847
148848
148849
148850
148851
148852
148853
148854
148855
148856
148857
148858
148859
148860
148861
148862
148863
148864
148865
148866
148867
148868
148869
148870
148871
148872
148873
148874
148875
148876
148877
148878
148879
148880
148881
148882
148883
148884
148885
148886
148887
148888
148889
148890
148891
148892
148893
148894
148895
148896
148897
148898
148899
148900
148901
148902
148903
148904
148905
148906
148907
148908
148909
148910
148911
148912
148913
148914
148915
148916
148917
148918
148919
148920
148921
148922
148923
148924
148925
148926
148927
148928
148929
148930
148931
148932
148933
148934
148935
148936
148937
148938
148939
148940
148941
148942
148943
148944
148945
148946
148947
148948
148949
148950
148951
148952
148953
148954
148955
148956
148957
148958
148959
148960
148961
148962
148963
148964
148965
148966
148967
148968
148969
148970
148971
148972
148973
148974
148975
148976
148977
148978
148979
148980
148981
148982
148983
148984
148985
148986
148987
148988
148989
148990
148991
148992
148993
148994
148995
148996
148997
148998
148999
149000
149001
149002
149003
149004
149005
149006
149007
149008
149009
149010
149011
149012
149013
149014
149015
149016
149017
149018
149019
149020
149021
149022
149023
149024
149025
149026
149027
149028
149029
149030
149031
149032
149033
149034
149035
149036
149037
149038
149039
149040
149041
149042
149043
149044
149045
149046
149047
149048
149049
149050
149051
149052
149053
149054
149055
149056
149057
149058
149059
149060
149061
149062
149063
149064
149065
149066
149067
149068
149069
149070
149071
149072
149073
149074
149075
149076
149077
149078
149079
149080
149081
149082
149083
149084
149085
......
149179
149180
149181
149182
149183
149184
149185
149186
149187
149188
149189
149190
149191
149192
149193
149194
149195
149196
......
149361
149362
149363
149364
149365
149366
149367
149368
149369
149370
149371
149372
149373
149374
149375
149376
149377
149378
149379
149380
149381
149382
149383
149384
149385
149386
149387
149388
149389
149390
149391
149392
149393
149394
149395
149396
149397
149398
149399
149400
149401
149402
149403
149404
149405
149406
149407
149408
149409
149410
149411
149412
149413
149414
149415
149416
149417
149418
149419
149420
149421
149422
149423
149424
149425
149426
149427
149428
149429
149430
149431
149432
149433
149434
149435
149436
149437
149438
149439
149440
149441
149442
149443
149444
149445
149446
149447
149448
149449
149450
149451
149452
149453
149454
149455
149456
149457
149458
149459
149460
149461
149462
149463
149464
149465
149466
149467
149468
149469
149470
149471
149472
149473
149474
149475
149476
149477
149478
149479
149480
149481
149482
149483
149484
149485
149486
149487
149488
149489
149490
149491
149492
149493
149494
149495
149496
149497
149498
149499
149500
149501
149502
149503
149504
149505
149506
149507
149508
149509
149510
149511
149512
149513
149514
149515
149516
149517
149518
149519
149520
149521
149522
149523
149524
149525
149526
149527
149528
149529
149530
149531
149532
149533
149534
149535
149536
149537
149538
149539
149540
149541
149542
149543
149544
149545
149546
149547
149548
149549
149550
149551
149552
149553
149554
149555
149556
149557
149558
149559
149560
149561
149562
149563
149564
149565
149566

149567
149568
149569
149570
149571
149572
149573
149574
149575
149576
149577
149578
149579
149580
149581
149582
149583
149584
149585
149586
149587
......
149871
149872
149873
149874
149875
149876
149877
149878
149879
149880
149881
149882
149883
149884
149885
149886
149887
149888

149889
149890
149891
149892
149893
149894

149895
149896
149897
149898
149899
149900
149901
149902
149903
149904
149905
149906
149907
149908
149909
149910
149911
149912
149913
149914
149915
149916
149917
149918
149919
149920
149921
149922
149923
149924
149925
149926
149927
149928
149929
149930
149931
149932
149933
149934
149935
149936
149937
149938
149939
149940
149941
149942
149943
149944
149945
149946
149947
149948
149949
149950
149951
149952
149953
149954
149955
149956
149957
149958
149959
149960
149961
149962
149963
149964
149965
149966
149967
149968
149969
......
150081
150082
150083
150084
150085
150086
150087
150088
150089
150090
150091
150092
150093
150094
150095
150096
150097
150098
150099
150100
150101
150102
150103
150104
150105
150106
150107
150108
150109
150110
150111
150112
150113
150114
150115
150116
150117
150118
150119
150120
150121
150122
150123
150124
150125
150126
150127
150128
150129
150130
150131
150132
150133
150134
150135
150136
150137
150138
150139
150140
150141
150142
150143
150144
150145
150146
150147
150148
150149
150150
150151
150152
150153
150154
150155
150156
150157
150158
150159
150160
150161
150162
150163
150164
150165
150166
150167
150168
150169
150170
150171
150172
150173
150174
150175
150176
150177
150178
150179
150180
150181
150182
150183
150184
150185
......
150466
150467
150468
150469
150470
150471
150472
150473
150474
150475
150476
150477
150478
150479
150480
150481
150482
150483
150484
150485
150486
150487
150488
150489
150490
150491
150492
150493
150494
150495
150496
150497
150498
150499
150500
150501
150502
150503
150504
150505
150506
150507
150508
150509
150510
150511
150512
150513
150514
150515
150516
150517
150518
150519
150520
150521
150522
150523
150524
150525
150526
150527
150528
150529
150530
150531
150532
150533
150534
150535
150536
150537
150538
150539
150540
150541
150542
150543
150544
150545
150546
150547
150548
150549
150550
150551
150552
150553
150554
150555
150556
150557
150558
150559
150560
150561
150562
150563
150564
150565
150566
150567
150568
150569
150570
150571
150572
150573
150574
150575
150576
150577
150578
150579
150580
150581
150582
150583
150584
150585
150586
150587
150588
150589
150590
150591
150592
150593
150594
150595
150596
150597
150598
150599
150600
150601
150602
150603
150604
150605
150606
150607
150608
150609
150610
150611
150612
150613
150614
150615
150616
150617
150618
150619
150620
150621
150622
150623
150624
150625
150626
150627
150628
150629
150630
150631
150632
150633
150634
150635
150636
150637
150638
150639
150640
150641
150642
150643
150644
150645
150646
150647
150648
150649
150650
150651
150652
150653
150654
150655
150656
150657
150658
150659
150660
150661
150662
150663
150664
150665
150666
150667
150668
150669
150670
150671
150672
150673
150674
150675
150676
150677
150678
150679
150680
150681
150682
150683
150684
150685
150686
150687
150688
150689
150690
150691
150692
150693
150694
150695
150696
150697
150698
150699
150700
150701
150702
150703
150704
150705
150706
150707
150708
150709
150710
150711
150712
150713
150714
150715
150716
150717
150718
150719
150720
150721
150722
150723
150724
150725
150726
150727
150728
150729
150730
150731
150732
150733
150734
150735
150736
150737
150738
150739
150740
150741
150742
150743
150744
150745
150746
150747
150748
150749
150750
150751
150752
150753
150754
150755
150756
150757
150758
150759
150760
150761
150762
150763
150764
150765
150766
150767
150768
150769
150770
150771
150772
150773
150774
150775
150776
150777
150778
150779
150780
150781
150782
150783
150784
150785
150786
150787
150788
150789
150790
150791
150792
150793
150794
150795
150796
150797
150798
150799
150800
150801
150802
150803
150804
150805
150806
150807
150808
150809
150810
150811
150812
150813
150814
150815
150816
150817
150818
150819
150820
150821
150822
150823
150824
150825
150826
150827
150828
150829
150830
150831
150832
150833
150834
150835
150836
150837
150838
150839
150840
150841
150842
150843
150844
150845
150846
150847
150848
150849
150850
150851
150852
150853
150854
......
151136
151137
151138
151139
151140
151141
151142
151143
151144
151145
151146
151147
151148
151149
151150
151151
151152
151153

151154
151155
151156
151157
151158
151159

151160
151161
151162
151163
151164
151165
151166
151167
151168
151169
151170
151171
151172
151173
151174
151175
151176
151177
151178
151179
151180
151181
151182
151183
151184
151185
151186
151187
151188
151189
151190
151191
151192
151193
151194
151195
151196
151197
151198
151199
151200
151201
151202
151203
151204
151205
151206
151207
151208
151209
151210
151211
151212
151213
151214
151215
151216
151217
151218
151219
151220
151221
151222
151223
151224
151225
151226
151227
151228
151229
151230
151231
151232
151233
151234
......
151317
151318
151319
151320
151321
151322
151323
151324
151325
151326
151327
151328
151329
151330
151331
151332
151333
151334
151335
151336
151337
151338
151339
151340
......
151349
151350
151351
151352
151353
151354
151355
151356
151357
151358
151359
151360
151361
151362
151363
......
151364
151365
151366
151367
151368
151369
151370
151371
151372
151373
151374
151375
151376
151377
151378
151379
151380
151381
151382
151383
151384
151385
151386
151387
151388
151389
151390
151391
151392
151393
151394
151395
151396
151397
151398
151399
151400
151401
151402
151403
......
151418
151419
151420
151421
151422
151423
151424
151425
151426
151427
151428
151429
151430
151431
151432
151433
151434
151435
151436
151437
151438
151439
151440
151441
151442
151443
151444
151445
151446
151447
151448
151449
151450
151451
151452
151453
151454
151455
151456
151457
151458
151459
151460
151461
151462
151463
151464
151465
151466
151467
151468
151469
151470
151471
151472
151473
151474
151475
151476
151477
151478
151479
151480
151481
151482
151483
151484
151485
151486
151487
151488
151489
151490
151491
151492
151493
151494
151495
151496
151497
151498
151499
151500
151501
151502
151503
151504
151505
151506
151507
151508
151509
151510
151511
151512
151513
151514
151515
151516
151517
151518
151519
151520
151521
151522
151523
151524
151525
151526
151527
151528
151529
151530
151531
151532
151533
151534
151535
151536
151537
151538
151539
151540
151541
151542
151543
151544
151545
151546
151547
151548
151549
151550
151551
151552
151553
151554
151555
151556
151557
151558
151559
151560
151561
151562
151563
151564
151565
151566
151567
151568
151569
151570
151571
151572
151573
151574
151575
151576
151577
151578
151579
151580
151581
151582
151583
151584
151585
151586
151587
151588
151589
151590
151591
151592
151593
151594
151595
151596
151597
151598
151599
151600
151601
151602
151603
151604
151605
151606
151607
151608
151609
151610
151611
151612
151613
151614
151615
151616
151617
151618
151619
151620
151621
151622
151623
151624
151625
151626
151627
151628
151629
151630
151631
151632
151633
151634
151635
151636
151637
151638
151639
151640
151641
151642
151643
151644
151645
151646
151647
151648
151649
151650
151651
151652
151653
151654
151655
151656
151657
151658
151659
151660
151661
151662
151663
151664
151665
151666
151667
151668
151669
151670
151671
151672
151673
151674
151675
151676
151677
151678
151679
151680
151681
151682
151683
151684
151685
151686
151687
151688
151689
151690
151691
151692
151693
151694
151695
151696
151697
151698
151699
151700
151701
151702
151703
151704
151705
151706
151707
151708
151709
151710
151711
151712
151713
151714
151715
151716
151717
151718
151719
151720
151721
151722
151723
151724
151725
151726
151727
151728
151729
151730
151731
151732
151733
151734
151735
151736
151737
151738
151739
151740
151741
151742
151743
151744
151745
151746
151747
151748
151749
151750
151751
151752
151753
151754
151755
151756
151757
151758
151759
151760
151761
151762
151763
151764
151765
151766
151767
151768
151769
151770
151771
151772
151773
151774
151775
151776
151777
151778
151779
151780
151781
151782
151783
151784
151785
151786
151787
151788
151789
151790
151791
151792
151793
151794
151795
151796
151797
151798
151799
151800
151801
151802
151803
151804
151805
151806
151807
151808
151809
151810
151811
151812
151813
151814
151815
151816
151817
151818
151819
151820
151821
151822
151823
151824
151825
151826
151827
151828
151829
151830
151831
151832
151833
151834
151835
151836
151837
151838
151839
151840
151841
151842
151843
151844
151845
151846
151847
151848
151849
151850
151851
151852
151853
151854
151855
151856
151857
151858
151859
151860
151861
151862
151863
151864
151865
151866
151867
151868
151869
151870
151871
151872
151873
151874
151875
151876
151877
151878
151879
151880
151881
151882
151883
151884
151885
151886
151887
151888
151889
151890
151891
151892
151893
151894
151895
151896
151897
151898
151899
151900
151901
151902
151903
151904
151905
151906
151907
151908
151909
151910
151911
151912
151913
151914
151915
151916
151917
151918
151919
151920
151921
151922
151923
151924
151925
151926
151927
151928
151929
151930
151931
151932
151933
151934
151935
151936
151937
151938
151939
151940
151941
151942
151943
151944
151945
151946
151947
151948
151949
151950
151951
151952
151953
151954
151955
151956
151957
151958
151959
151960
151961
151962
151963
151964
151965
151966
151967
151968
151969
151970
151971
151972
151973
151974
151975
151976
151977
151978
151979
151980
151981
151982
151983
151984
151985
151986
151987
151988
151989
151990
151991
151992
151993
151994
151995
151996
151997
151998
151999
152000
152001
152002
152003
152004
152005
152006
152007
152008
152009
152010
152011
152012
152013
152014
152015
152016
152017
152018
152019
152020
152021
152022
152023
152024
152025
152026
152027
152028
152029
152030
152031
152032
152033
152034
152035
152036
152037
152038
152039
152040
152041
152042
152043
152044
152045
152046
152047
152048
152049
152050
152051
152052
152053
152054
152055
152056
152057
152058
152059
152060
152061
152062
152063
152064
152065
152066
152067
152068
152069
152070
152071
152072
152073
152074
152075
152076
152077
152078
152079
152080
152081
152082
152083
152084
152085
152086
152087
152088
152089
152090
152091
152092
152093
152094
152095
152096
152097
152098
152099
152100
152101
152102
152103
152104
152105
152106
152107
152108
152109
152110
152111
152112
152113
152114
152115
152116
152117
152118
152119
152120
152121
152122
152123
152124
152125
152126
152127
152128
152129
152130
152131
152132
152133
152134
152135
152136
152137
152138
152139
152140
152141
152142
152143
152144
152145
152146
152147
152148
152149
152150
152151
152152
152153
152154
152155
152156
152157
152158
152159
152160
152161
152162
152163
152164
152165
152166
152167
152168
152169
152170
152171
152172
152173
152174
152175
152176
152177
152178
152179
152180
152181
152182
152183
152184
152185
152186
152187
152188
152189
152190
......
152193
152194
152195
152196
152197
152198
152199
152200
152201
152202
152203
152204
152205
152206
152207
152208
152209
152210
152211
152212
152213
152214
152215
152216
152217
152218
152219
152220
152221
152222
152223
152224
152225
152226
152227
152228
152229
152230
152231
152232
152233
152234
152235
152236
152237
152238
152239
152240
152241
152242
152243
152244
152245
152246
152247
152248
152249
152250
152251
152252
152253
152254
152255
152256
152257
152258
152259
152260
152261
152262
152263
152264
152265
152266
152267
152268
152269
152270
152271
152272
152273
152274
152275
152276
152277
152278
152279
152280
152281
152282
152283
152284
152285
152286
152287
152288
152289
152290
152291
152292
152293
152294
152295
152296
152297
152298
152299
152300
152301
152302
152303
152304
152305
152306
152307
152308
152309
152310
152311
152312
152313
152314
152315
152316
152317
152318
152319
152320
152321
152322
152323
152324
152325
152326
152327
152328
152329
152330
......
152338
152339
152340
152341
152342
152343
152344
152345
152346
152347
152348
152349
152350
152351
152352
152353
152354
152355
152356
152357
152358
152359
152360
152361
152362
152363
152364
152365
152366
152367
152368
152369
152370
152371
152372
152373
152374
152375
152376
152377
152378
152379
152380
152381
152382
152383
152384
152385
152386
152387
152388
152389
152390
152391
152392
152393
152394
152395
152396
......
152408
152409
152410
152411
152412
152413
152414
152415
152416
152417
152418
152419
152420
152421
152422
152423
152424
152425
152426
152427
152428
152429
152430
152431
152432
152433
152434
152435
152436
152437
152438
152439
152440
152441
152442
152443
152444
152445
152446
152447
152448
152449
152450
152451
152452
152453
152454
152455
152456
152457
152458
152459
152460
152461
152462
152463
152464
152465
152466
152467
152468
152469
152470
152471
152472
152473
......
152476
152477
152478
152479
152480
152481
152482
152483
152484
152485
152486
152487
152488
152489
152490
152491
152492
152493
152494
152495
152496
152497
152498
152499
152500
152501
152502
152503
152504
152505
152506
152507
152508
152509
152510
152511
152512
152513
152514
152515
152516
152517
152518
152519
152520
152521
152522
152523
152524
152525
152526
152527
152528
152529
152530
152531
152532
152533
152534
152535
152536
152537
152538
152539
152540
152541
152542
152543
152544
152545
152546
152547
152548
152549
152550
152551
152552
152553

152554
152555
152556
152557

152558
152559

152560

152561
152562
152563
152564
152565
152566
152567
152568
152569
152570
152571
152572
152573

152574
152575
152576
152577
152578
152579
152580
152581
152582
152583
152584
152585


152586
152587
152588
152589
152590
152591
152592
152593

152594
152595
152596
152597
152598

152599
152600
152601
152602
152603
152604

152605
152606
152607
152608






152609
152610
152611
152612
152613
152614
152615

152616
152617
152618
152619
152620

152621
152622
152623


152624
152625
152626


152627
152628
152629
152630
152631
152632
152633
152634
152635
152636
152637
152638
152639
152640
152641

152642
152643
152644
152645
152646
152647
152648
152649
152650
152651
152652
152653
152654
152655
152656
152657
152658
152659
152660
152661
152662
152663
152664
152665
152666
152667
152668
152669
152670
152671
152672
152673
152674
152675
152676
152677
152678
152679
152680
152681
152682
152683
152684
152685
152686
152687
152688
152689
152690
152691
152692
152693
152694
152695
152696
152697
152698
152699
152700
152701
152702
152703
152704
152705
152706
152707
152708
152709
152710
152711
152712
152713
152714
152715
152716
152717
152718
152719
152720
152721
152722
152723
152724
152725
152726
152727
152728
......
153177
153178
153179
153180
153181
153182
153183
153184
153185
153186
153187
153188
153189
153190
153191
153192
153193
153194
153195
153196
153197
153198
153199
153200
153201
153202
153203

153204
153205
153206
153207

153208
153209
153210
153211
153212
153213
153214
153215
153216
153217
153218
153219
153220
153221
153222
153223
153224
153225
153226
153227
153228
153229
153230
153231
153232

153233
153234
153235
153236
153237
153238
153239
153240
153241
153242
153243
153244
153245
153246
153247
153248
153249
153250
153251
153252
153253
153254

153255
153256
153257
153258
153259
153260
153261
153262
153263
153264
153265
153266
153267
153268

153269
153270
153271
153272
153273
153274
153275
153276
153277
153278
153279
153280
153281
153282
153283
153284
153285
153286
153287
153288
153289
153290
153291
153292
153293
153294
153295
153296
153297
153298
153299
153300

153301
153302
153303
153304
153305
153306
153307
153308
153309
153310
153311
153312
153313
153314
153315
153316
153317
153318
153319
153320

153321
153322
153323
153324
153325
153326
153327
153328
......
153360
153361
153362
153363
153364
153365
153366
153367
153368
153369
153370
153371
153372
153373
153374
153375
153376
153377
153378
153379
153380
153381
153382
153383
153384
153385
153386
153387
153388
153389
153390
153391
153392
153393
153394
153395
153396
153397
153398
153399
153400
153401
153402
153403
153404
153405
153406
153407
153408
153409
153410
153411
153412
153413
153414
153415
153416
153417
153418
153419
153420
153421
153422
153423
153424
153425
153426
153427
153428
153429
153430
153431
153432
153433
153434
153435
153436
153437
153438
153439
153440
153441
153442
153443
153444
153445
153446
153447
153448
153449
153450
153451
153452
153453
153454
153455
153456
153457
153458
153459
153460
153461
153462
153463
153464
153465
153466
153467
153468
153469
153470
153471
153472
153473
153474
153475
153476
153477
153478
153479
153480
153481
153482
153483
153484
153485
153486
153487
153488
153489
153490
153491
153492
153493
153494
153495
153496
153497
153498
153499
153500
......
153919
153920
153921
153922
153923
153924
153925
153926
153927
153928
153929
153930
153931
153932
153933
......
153951
153952
153953
153954
153955
153956
153957
153958
153959
153960
153961
153962
153963
153964
153965
153966
......
154009
154010
154011
154012
154013
154014
154015
154016
154017
154018
154019
154020
154021
154022
154023
154024
......
154078
154079
154080
154081
154082
154083
154084
154085
154086
154087
154088
154089
154090
154091
154092
154093
......
155316
155317
155318
155319
155320
155321
155322
155323
155324
155325
155326
155327
155328
155329
155330
......
155454
155455
155456
155457
155458
155459
155460
155461
155462
155463
155464
155465
155466
155467
155468
155469
......
162124
162125
162126
162127
162128
162129
162130
162131
162132
162133
162134
162135
162136
162137
162138
......
169237
169238
169239
169240
169241
169242
169243
169244
169245
169246
169247
169248
169249
169250
169251
......
169264
169265
169266
169267
169268
169269
169270
169271
169272
169273
169274
169275
169276
169277
169278
169279
169280
......
169354
169355
169356
169357
169358
169359
169360
169361
169362
169363
169364
169365
169366
169367
169368
169369
......
170262
170263
170264
170265
170266
170267
170268
170269
170270
170271
170272
170273
170274
170275
170276
......
171722
171723
171724
171725
171726
171727
171728
171729
171730
171731
171732
171733
171734
171735
171736
171737
171738
......
172126
172127
172128
172129
172130
172131
172132
172133
172134
172135
172136
172137
172138
172139
172140
172141
172142
......
173612
173613
173614
173615
173616
173617
173618
173619
173620
173621
173622
173623
173624
173625
173626
173627
173628
173629
......
173742
173743
173744
173745
173746
173747
173748
173749
173750
173751
173752
173753
173754
173755
173756
......
173792
173793
173794
173795
173796
173797
173798
173799
173800
173801
173802
173803
173804
173805
173806
......
173913
173914
173915
173916
173917
173918
173919
173920
173921
173922
173923
173924
173925
173926
173927
173928
......
173980
173981
173982
173983
173984
173985
173986
173987
173988
173989
173990
173991
173992
173993
173994
173995
173996
173997
173998
173999
......
175965
175966
175967
175968
175969
175970
175971
175972
175973
175974
175975
175976
175977
175978
175979
......
176219
176220
176221
176222
176223
176224
176225
176226
176227
176228
176229
176230
176231
176232
176233
176234
176235
176236
176237
176238
176239
176240
176241
176242
176243
176244
176245
......
176522
176523
176524
176525
176526
176527
176528
176529
176530
176531
176532
176533
176534
176535
176536
......
177092
177093
177094
177095
177096
177097
177098
177099
177100
177101
177102
177103
177104
177105
177106
177107
......
177377
177378
177379
177380
177381
177382
177383
177384
177385
177386
177387
177388
177389
177390
177391
......
177446
177447
177448
177449
177450
177451
177452
177453
177454
177455
177456
177457
177458
177459
177460
......
177636
177637
177638
177639
177640
177641
177642
177643
177644
177645
177646
177647
177648
177649
177650
......
177746
177747
177748
177749
177750
177751
177752
177753
177754
177755
177756
177757
177758
177759
177760
......
184904
184905
184906
184907
184908
184909
184910

184911
184912
184913
184914
184915
184916
184917
184918
184919
184920
184921
184922
184923
184924
184925
184926
184927
184928
184929
184930
184931


184932
184933
184934
184935
184936
184937

184938
184939

184940
184941

184942
184943

184944
184945
184946









184947
184948
184949
184950
184951
184952
184953
184954
184955
184956
......
185707
185708
185709
185710
185711
185712
185713
185714
185715
185716
185717
185718
185719
185720
185721
......
186093
186094
186095
186096
186097
186098
186099
186100
186101
186102
186103
186104
186105
186106
186107
......
186489
186490
186491
186492
186493
186494
186495
186496
186497
186498
186499
186500
186501
186502
186503
186504
186505
186506
186507
186508
186509
186510
186511
186512
186513
186514
186515
186516
186517
......
186662
186663
186664
186665
186666
186667
186668
186669
186670
186671
186672
186673
186674
186675
186676
186677
186678
186679
186680
186681
186682
186683
186684
186685
186686
186687
......
189098
189099
189100
189101
189102
189103
189104
189105
189106
189107
189108
189109
189110
189111
189112
189113
189114
189115
189116
......
189547
189548
189549
189550
189551
189552
189553
189554
189555
189556
189557
189558
189559
189560
189561
......
189898
189899
189900
189901
189902
189903
189904
189905
189906
189907
189908
189909
189910
189911
189912
......
189919
189920
189921
189922
189923
189924
189925
189926
189927
189928
189929
189930
189931
189932
189933
......
190113
190114
190115
190116
190117
190118
190119
190120
190121
190122
190123
190124
190125
190126
190127
190128
190129
190130
190131
190132
......
190563
190564
190565
190566
190567
190568
190569
190570
190571
190572
190573
190574
190575
190576
190577
......
190824
190825
190826
190827
190828
190829
190830
190831
190832
190833
190834
190835
190836
190837
190838
190839
190840
190841
190842
190843
190844
190845
190846
190847
190848
190849
190850
190851
190852
190853
190854
190855
190856
190857
190858
190859
190860
190861
190862
190863
190864
190865
190866
190867
190868
190869
190870
190871
190872
190873
190874
190875
190876
190877
190878
190879
190880
190881
190882
190883
190884
190885
190886
190887
190888
190889
190890
190891
190892
190893
......
190910
190911
190912
190913
190914
190915
190916
190917
190918
190919
190920
190921
190922
190923
190924
190925
190926
190927
190928
190929
190930
190931
190932
......
190951
190952
190953
190954
190955
190956
190957
190958
190959
190960
190961
190962
190963
190964
190965
190966
190967
190968
190969
190970
190971
190972
190973
190974
190975
190976
190977
190978
190979
190980
190981
190982
190983
190984
190985
190986
190987
190988
190989
190990
190991
190992
190993
190994
190995
190996
190997
190998
190999
......
193419
193420
193421
193422
193423
193424
193425
193426
193427
193428
193429
193430
193431
193432
193433
......
195930
195931
195932
195933
195934
195935
195936
195937
195938
195939
195940
195941
195942
195943
195944
......
196857
196858
196859
196860
196861
196862
196863
196864
196865
196866
196867
196868
196869
196870
196871
......
197975
197976
197977
197978
197979
197980
197981
197982
197983
197984
197985
197986
197987
197988
197989
......
198890
198891
198892
198893
198894
198895
198896
198897
198898
198899
198900
198901
198902
198903
198904
......
199279
199280
199281
199282
199283
199284
199285
199286
199287
199288
199289
199290
199291
199292
199293
......
200672
200673
200674
200675
200676
200677
200678
200679
200680
200681
200682
200683
200684
200685
200686
......
200687
200688
200689
200690
200691
200692
200693
200694
200695
200696
200697
200698
200699
200700
200701
......
201669
201670
201671
201672
201673
201674
201675
201676
201677
201678
201679
201680
201681
201682
201683
201684
201685
......
203741
203742
203743
203744
203745
203746
203747
203748
203749
203750
203751
203752
203753
203754
203755
......
203969
203970
203971
203972
203973
203974
203975
203976
203977
203978
203979
203980
203981
203982
203983
......
204132
204133
204134
204135
204136
204137
204138
204139
204140
204141
204142
204143
204144
204145
204146
......
204356
204357
204358
204359
204360
204361
204362
204363
204364
204365
204366
204367
204368
204369
204370
......
204825
204826
204827
204828
204829
204830
204831
204832
204833
204834
204835
204836
204837
204838
204839
......
204935
204936
204937
204938
204939
204940
204941
204942
204943
204944
204945
204946
204947
204948
204949
......
206949
206950
206951
206952
206953
206954
206955
206956
206957
206958
206959
206960
206961
206962
206963
......
207025
207026
207027
207028
207029
207030
207031
207032
207033
207034
207035
207036
207037
207038
207039
......
207185
207186
207187
207188
207189
207190
207191
207192
207193
207194
207195
207196
207197
207198
207199
......
207402
207403
207404
207405
207406
207407
207408
207409
207410
207411
207412
207413
207414
207415
207416
......
208419
208420
208421
208422
208423
208424
208425
208426
208427
208428
208429
208430
208431
208432
208433
......
208503
208504
208505
208506
208507
208508
208509
208510
208511
208512
208513
208514
208515
208516
208517
208518
208519
208520
208521
208522
208523
208524
208525
208526
208527
208528
208529
208530
208531
208532
208533
208534
208535
208536
208537
208538
208539
208540
208541
208542
208543
208544
208545
208546
208547
208548
208549
208550
208551
208552
208553
208554
208555
208556
208557
......
208600
208601
208602
208603
208604
208605
208606
208607
208608
208609
208610
208611
208612
208613
208614
......
208655
208656
208657
208658
208659
208660
208661
208662
208663
208664
208665
208666
208667
208668
208669
......
208772
208773
208774
208775
208776
208777
208778
208779
208780
208781
208782
208783
208784
208785
208786
208787
208788
......
208802
208803
208804
208805
208806
208807
208808
208809
208810

208811
208812
208813
208814
208815
208816
208817
208818
208819
208820
208821
208822
208823
208824
208825
208826
208827
208828
208829
208830
208831
208832
208833
208834

208835
208836
208837
208838
208839
208840
208841
208842
208843
208844
208845
......
208864
208865
208866
208867
208868
208869
208870
208871
208872
208873
208874
208875
208876
208877
208878
......
211334
211335
211336
211337
211338
211339
211340

211341
211342
211343
211344
211345
211346
211347
211348
211349
211350
211351
211352
211353
211354
211355
211356
211357
211358
211359
211360
211361

211362
211363
211364
211365
211366
211367
211368
211369
211370
211371
211372
211373

211374



211375
211376
211377
211378
211379
211380
211381
......
211520
211521
211522
211523
211524
211525
211526
211527
211528
211529
211530
211531
211532
211533
211534
211535
......
212568
212569
212570
212571
212572
212573
212574
212575
212576
212577
212578
212579
212580
212581
212582
......
213055
213056
213057
213058
213059
213060
213061
213062
213063
213064
213065
213066
213067
213068
213069
213070
213071
213072
213073
213074
213075
213076
......
216084
216085
216086
216087
216088
216089
216090
216091
216092
216093
216094
216095
216096
216097
216098
......
216365
216366
216367
216368
216369
216370
216371
216372
216373
216374
216375
216376
216377
216378
216379
......
217919
217920
217921
217922
217923
217924
217925
217926
217927
217928
217929
217930
217931
217932
217933
217934
217935
217936
217937
217938
217939
217940
......
217956
217957
217958
217959
217960
217961
217962
217963
217964
217965
217966
217967
217968
217969
217970
217971
217972
217973
217974
217975
217976
217977
217978
......
218099
218100
218101
218102
218103
218104
218105
218106
218107
218108
218109
218110
218111
218112
218113
......
218522
218523
218524
218525
218526
218527
218528
218529
218530
218531
218532
218533
218534
218535
218536
......
219744
219745
219746
219747
219748
219749
219750
219751
219752
219753
219754
219755
219756
219757
219758
......
221432
221433
221434
221435
221436
221437
221438
221439
221440
221441
221442
221443
221444
221445
221446
......
222863
222864
222865
222866
222867
222868
222869
222870
222871
222872
222873
222874
222875
222876
/******************************************************************************
** This file is an amalgamation of many separate C source files from SQLite
** version 3.28.0.  By combining all the individual C code files into this
** single large file, the entire code can be compiled as a single translation
** unit.  This allows many compilers to do optimizations that would not be
** possible if the files were compiled separately.  Performance improvements
** of 5% or more are commonly seen when SQLite is compiled as a single
** translation unit.
**
** This file is all you need to compile SQLite.  To use SQLite in other
................................................................................
** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.28.0"
#define SQLITE_VERSION_NUMBER 3028000
#define SQLITE_SOURCE_ID      "2019-04-16 19:49:53 884b4b7e502b4e991677b53971277adfaf0a04a284f8e483e2553d0f83156b50"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
**
** See also: SQL functions [sqlite_compileoption_used()] and
** [sqlite_compileoption_get()] and the [compile_options pragma].
*/
#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
SQLITE_API int sqlite3_compileoption_used(const char *zOptName);
SQLITE_API const char *sqlite3_compileoption_get(int N);
#else
# define sqlite3_compileoption_used(X) 0
# define sqlite3_compileoption_get(X)  ((void*)0)
#endif

/*
** CAPI3REF: Test To See If The Library Is Threadsafe
**
** ^The sqlite3_threadsafe() function returns zero if and only if
** SQLite was compiled with mutexing code omitted due to the
................................................................................
** The second parameter is a pointer to an integer into which
** is written 0 or 1 to indicate whether triggers are disabled or enabled
** following this call.  The second parameter may be a NULL pointer, in
** which case the trigger setting is not reported back. </dd>
**
** [[SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER]]
** <dt>SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER</dt>
** <dd> ^This option is used to enable or disable the
** [fts3_tokenizer()] function which is part of the
** [FTS3] full-text search engine extension.
** There should be two additional arguments.
** The first argument is an integer which is 0 to disable fts3_tokenizer() or
** positive to enable fts3_tokenizer() or negative to leave the setting
** unchanged.
** The second parameter is a pointer to an integer into which
** is written 0 or 1 to indicate whether fts3_tokenizer is disabled or enabled
................................................................................
** features include but are not limited to the following:
** <ul>
** <li> The [PRAGMA writable_schema=ON] statement.
** <li> Writes to the [sqlite_dbpage] virtual table.
** <li> Direct writes to [shadow tables].
** </ul>
** </dd>
**
** [[SQLITE_DBCONFIG_WRITABLE_SCHEMA]] <dt>SQLITE_DBCONFIG_WRITABLE_SCHEMA</dt>
** <dd>The SQLITE_DBCONFIG_WRITABLE_SCHEMA option activates or deactivates the
** "writable_schema" flag. This has the same effect and is logically equivalent
** to setting [PRAGMA writable_schema=ON] or [PRAGMA writable_schema=OFF].
** The first argument to this setting is an integer which is 0 to disable 
** the writable_schema, positive to enable writable_schema, or negative to
** leave the setting unchanged. The second parameter is a pointer to an
** integer into which is written 0 or 1 to indicate whether the writable_schema
** is enabled or disabled following this call.
** </dd>
** </dl>
*/
#define SQLITE_DBCONFIG_MAINDBNAME            1000 /* const char* */
#define SQLITE_DBCONFIG_LOOKASIDE             1001 /* void* int int */
#define SQLITE_DBCONFIG_ENABLE_FKEY           1002 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_TRIGGER        1003 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER 1004 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION 1005 /* int int* */
#define SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE      1006 /* int int* */
#define SQLITE_DBCONFIG_ENABLE_QPSG           1007 /* int int* */
#define SQLITE_DBCONFIG_TRIGGER_EQP           1008 /* int int* */
#define SQLITE_DBCONFIG_RESET_DATABASE        1009 /* int int* */
#define SQLITE_DBCONFIG_DEFENSIVE             1010 /* int int* */
#define SQLITE_DBCONFIG_WRITABLE_SCHEMA       1011 /* int int* */
#define SQLITE_DBCONFIG_MAX                   1011 /* Largest DBCONFIG */

/*
** CAPI3REF: Enable Or Disable Extended Result Codes
** METHOD: sqlite3
**
** ^The sqlite3_extended_result_codes() routine enables or disables the
** [extended result codes] feature of SQLite. ^The extended result
................................................................................
** ^The sqlite3_stmt_readonly() interface returns true for [BEGIN] since
** [BEGIN] merely sets internal flags, but the [BEGIN|BEGIN IMMEDIATE] and
** [BEGIN|BEGIN EXCLUSIVE] commands do touch the database and so
** sqlite3_stmt_readonly() returns false for those commands.
*/
SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt);

/*
** CAPI3REF: Query The EXPLAIN Setting For A Prepared Statement
** METHOD: sqlite3_stmt
**
** ^The sqlite3_stmt_isexplain(S) interface returns 1 if the
** prepared statement S is an EXPLAIN statement, or 2 if the
** statement S is an EXPLAIN QUERY PLAN.
** ^The sqlite3_stmt_isexplain(S) interface returns 0 if S is
** an ordinary statement or a NULL pointer.
*/
SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt);

/*
** CAPI3REF: Determine If A Prepared Statement Has Been Reset
** METHOD: sqlite3_stmt
**
** ^The sqlite3_stmt_busy(S) interface returns true (non-zero) if the
** [prepared statement] S has been stepped at least once using 
** [sqlite3_step(S)] but has neither run to completion (returned
................................................................................
** the value of the fourth parameter then the resulting string value will
** contain embedded NULs.  The result of expressions involving strings
** with embedded NULs is undefined.
**
** ^The fifth argument to the BLOB and string binding interfaces
** is a destructor used to dispose of the BLOB or
** string after SQLite has finished with it.  ^The destructor is called
** to dispose of the BLOB or string even if the call to the bind API fails,
** except the destructor is not called if the third parameter is a NULL
** pointer or the fourth parameter is negative.
** ^If the fifth argument is
** the special value [SQLITE_STATIC], then SQLite assumes that the
** information is in static, unmanaged space and does not need to be freed.
** ^If the fifth argument has the value [SQLITE_TRANSIENT], then
** SQLite makes its own private copy of the data immediately, before
** the sqlite3_bind_*() routine returns.
**
................................................................................
** <tr><td><b>sqlite3_value_type</b><td>&rarr;<td>Default
** datatype of the value
** <tr><td><b>sqlite3_value_numeric_type&nbsp;&nbsp;</b>
** <td>&rarr;&nbsp;&nbsp;<td>Best numeric datatype of the value
** <tr><td><b>sqlite3_value_nochange&nbsp;&nbsp;</b>
** <td>&rarr;&nbsp;&nbsp;<td>True if the column is unchanged in an UPDATE
** against a virtual table.
** <tr><td><b>sqlite3_value_frombind&nbsp;&nbsp;</b>
** <td>&rarr;&nbsp;&nbsp;<td>True if value originated from a [bound parameter]
** </table></blockquote>
**
** <b>Details:</b>
**
** These routines extract type, size, and content information from
** [protected sqlite3_value] objects.  Protected sqlite3_value objects
** are used to pass parameter information into implementation of
................................................................................
** the value for that column returned without setting a result (probably
** because it queried [sqlite3_vtab_nochange()] and found that the column
** was unchanging).  ^Within an [xUpdate] method, any value for which
** sqlite3_value_nochange(X) is true will in all other respects appear
** to be a NULL value.  If sqlite3_value_nochange(X) is invoked anywhere other
** than within an [xUpdate] method call for an UPDATE statement, then
** the return value is arbitrary and meaningless.
**
** ^The sqlite3_value_frombind(X) interface returns non-zero if the
** value X originated from one of the [sqlite3_bind_int|sqlite3_bind()]
** interfaces.  ^If X comes from an SQL literal value, or a table column,
** and expression, then sqlite3_value_frombind(X) returns zero.
**
** Please pay particular attention to the fact that the pointer returned
** from [sqlite3_value_blob()], [sqlite3_value_text()], or
** [sqlite3_value_text16()] can be invalidated by a subsequent call to
** [sqlite3_value_bytes()], [sqlite3_value_bytes16()], [sqlite3_value_text()],
** or [sqlite3_value_text16()].
**
................................................................................
SQLITE_API const void *sqlite3_value_text16le(sqlite3_value*);
SQLITE_API const void *sqlite3_value_text16be(sqlite3_value*);
SQLITE_API int sqlite3_value_bytes(sqlite3_value*);
SQLITE_API int sqlite3_value_bytes16(sqlite3_value*);
SQLITE_API int sqlite3_value_type(sqlite3_value*);
SQLITE_API int sqlite3_value_numeric_type(sqlite3_value*);
SQLITE_API int sqlite3_value_nochange(sqlite3_value*);
SQLITE_API int sqlite3_value_frombind(sqlite3_value*);

/*
** CAPI3REF: Finding The Subtype Of SQL Values
** METHOD: sqlite3_value
**
** The sqlite3_value_subtype(V) function returns the subtype for
** an [application-defined SQL function] argument V.  The subtype
................................................................................
** CAPI3REF: Return The Filename For A Database Connection
** METHOD: sqlite3
**
** ^The sqlite3_db_filename(D,N) interface returns a pointer to a filename
** associated with database N of connection D.  ^The main database file
** has the name "main".  If there is no attached database N on the database
** connection D, or if database N is a temporary or in-memory database, then
** this function will return either a NULL pointer or an empty string.
**
** ^The filename returned by this function is the output of the
** xFullPathname method of the [VFS].  ^In other words, the filename
** will be an absolute pathname, even if the filename used
** to open the database originally was a URI or relative pathname.
*/
SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName);
................................................................................
** CAPI3REF: Rebase a changeset
** EXPERIMENTAL
**
** Argument pIn must point to a buffer containing a changeset nIn bytes
** in size. This function allocates and populates a buffer with a copy
** of the changeset rebased rebased according to the configuration of the
** rebaser object passed as the first argument. If successful, (*ppOut)
** is set to point to the new buffer containing the rebased changeset and 
** (*pnOut) to its size in bytes and SQLITE_OK returned. It is the
** responsibility of the caller to eventually free the new buffer using
** sqlite3_free(). Otherwise, if an error occurs, (*ppOut) and (*pnOut)
** are set to zero and an SQLite error code returned.
*/
SQLITE_API int sqlite3rebaser_rebase(
  sqlite3_rebaser*,
................................................................................
**
**
** xSetAuxdata(pFts5, pAux, xDelete)
**
**   Save the pointer passed as the second argument as the extension functions 
**   "auxiliary data". The pointer may then be retrieved by the current or any
**   future invocation of the same fts5 extension function made as part of
**   the same MATCH query using the xGetAuxdata() API.
**
**   Each extension function is allocated a single auxiliary data slot for
**   each FTS query (MATCH expression). If the extension function is invoked 
**   more than once for a single FTS query, then all invocations share a 
**   single auxiliary data context.
**
**   If there is already an auxiliary data pointer when this function is
................................................................................
**   invoked, then it is replaced by the new pointer. If an xDelete callback
**   was specified along with the original pointer, it is invoked at this
**   point.
**
**   The xDelete callback, if one is specified, is also invoked on the
**   auxiliary data pointer after the FTS5 query has finished.
**
**   If an error (e.g. an OOM condition) occurs within this function,
**   the auxiliary data is set to NULL and an error code returned. If the
**   xDelete parameter was not NULL, it is invoked on the auxiliary data
**   pointer before returning.
**
**
** xGetAuxdata(pFts5, bClear)
**
................................................................................
** the hash table.
*/
struct Hash {
  unsigned int htsize;      /* Number of buckets in the hash table */
  unsigned int count;       /* Number of entries in this table */
  HashElem *first;          /* The first element of the array */
  struct _ht {              /* the hash table */
    unsigned int count;        /* Number of entries with this hash */
    HashElem *chain;           /* Pointer to first entry with this hash */
  } *ht;
};

/* Each element in the hash table is an instance of the following 
** structure.  All elements are stored on a single doubly-linked list.
**
................................................................................
#define TK_WITH                            81
#define TK_CURRENT                         82
#define TK_FOLLOWING                       83
#define TK_PARTITION                       84
#define TK_PRECEDING                       85
#define TK_RANGE                           86
#define TK_UNBOUNDED                       87
#define TK_EXCLUDE                         88
#define TK_GROUPS                          89
#define TK_OTHERS                          90
#define TK_TIES                            91
#define TK_REINDEX                         92
#define TK_RENAME                          93
#define TK_CTIME_KW                        94
#define TK_ANY                             95
#define TK_BITAND                          96
#define TK_BITOR                           97
#define TK_LSHIFT                          98
#define TK_RSHIFT                          99
#define TK_PLUS                           100
#define TK_MINUS                          101
#define TK_STAR                           102
#define TK_SLASH                          103
#define TK_REM                            104
#define TK_CONCAT                         105
#define TK_COLLATE                        106
#define TK_BITNOT                         107
#define TK_ON                             108
#define TK_INDEXED                        109
#define TK_STRING                         110
#define TK_JOIN_KW                        111
#define TK_CONSTRAINT                     112
#define TK_DEFAULT                        113
#define TK_NULL                           114
#define TK_PRIMARY                        115
#define TK_UNIQUE                         116
#define TK_CHECK                          117
#define TK_REFERENCES                     118
#define TK_AUTOINCR                       119
#define TK_INSERT                         120
#define TK_DELETE                         121
#define TK_UPDATE                         122
#define TK_SET                            123
#define TK_DEFERRABLE                     124
#define TK_FOREIGN                        125
#define TK_DROP                           126
#define TK_UNION                          127
#define TK_ALL                            128
#define TK_EXCEPT                         129
#define TK_INTERSECT                      130
#define TK_SELECT                         131
#define TK_VALUES                         132
#define TK_DISTINCT                       133
#define TK_DOT                            134
#define TK_FROM                           135
#define TK_JOIN                           136
#define TK_USING                          137
#define TK_ORDER                          138
#define TK_GROUP                          139
#define TK_HAVING                         140
#define TK_LIMIT                          141
#define TK_WHERE                          142
#define TK_INTO                           143
#define TK_NOTHING                        144
#define TK_FLOAT                          145
#define TK_BLOB                           146
#define TK_INTEGER                        147
#define TK_VARIABLE                       148
#define TK_CASE                           149
#define TK_WHEN                           150
#define TK_THEN                           151
#define TK_ELSE                           152
#define TK_INDEX                          153
#define TK_ALTER                          154
#define TK_ADD                            155
#define TK_WINDOW                         156
#define TK_OVER                           157
#define TK_FILTER                         158
#define TK_TRUEFALSE                      159
#define TK_ISNOT                          160
#define TK_FUNCTION                       161
#define TK_COLUMN                         162
#define TK_AGG_FUNCTION                   163
#define TK_AGG_COLUMN                     164
#define TK_UMINUS                         165
#define TK_UPLUS                          166
#define TK_TRUTH                          167
#define TK_REGISTER                       168
#define TK_VECTOR                         169
#define TK_SELECT_COLUMN                  170
#define TK_IF_NULL_ROW                    171
#define TK_ASTERISK                       172
#define TK_SPAN                           173


#define TK_SPACE                          174
#define TK_ILLEGAL                        175








/************** End of parse.h ***********************************************/
/************** Continuing where we left off in sqliteInt.h ******************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
................................................................................
  int nData;              /* Size of pData.  0 if none. */
  int nZero;              /* Extra zero data appended after pData,nData */
};

SQLITE_PRIVATE int sqlite3BtreeInsert(BtCursor*, const BtreePayload *pPayload,
                       int flags, int seekResult);
SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor*, int *pRes);



SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor*, int *pRes);
SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor*, int flags);
SQLITE_PRIVATE int sqlite3BtreeEof(BtCursor*);
SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int flags);
SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*);
#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC
SQLITE_PRIVATE i64 sqlite3BtreeOffset(BtCursor*);
................................................................................
#define OP_Cast           85 /* synopsis: affinity(r[P1])                  */
#define OP_Permutation    86
#define OP_Compare        87 /* synopsis: r[P1@P3] <-> r[P2@P3]            */
#define OP_IsTrue         88 /* synopsis: r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4 */
#define OP_Offset         89 /* synopsis: r[P3] = sqlite_offset(P1)        */
#define OP_Column         90 /* synopsis: r[P3]=PX                         */
#define OP_Affinity       91 /* synopsis: affinity(r[P1@P2])               */
#define OP_MakeRecord     92 /* synopsis: r[P3]=mkrec(r[P1@P2])            */
#define OP_Count          93 /* synopsis: r[P2]=count()                    */
#define OP_ReadCookie     94
#define OP_SetCookie      95
#define OP_BitAnd         96 /* same as TK_BITAND, synopsis: r[P3]=r[P1]&r[P2] */
#define OP_BitOr          97 /* same as TK_BITOR, synopsis: r[P3]=r[P1]|r[P2] */
#define OP_ShiftLeft      98 /* same as TK_LSHIFT, synopsis: r[P3]=r[P2]<<r[P1] */
#define OP_ShiftRight     99 /* same as TK_RSHIFT, synopsis: r[P3]=r[P2]>>r[P1] */
#define OP_Add           100 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */
#define OP_Subtract      101 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */
#define OP_Multiply      102 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */
#define OP_Divide        103 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */
#define OP_Remainder     104 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */
#define OP_Concat        105 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */
#define OP_ReopenIdx     106 /* synopsis: root=P2 iDb=P3                   */
#define OP_BitNot        107 /* same as TK_BITNOT, synopsis: r[P2]= ~r[P1] */
#define OP_OpenRead      108 /* synopsis: root=P2 iDb=P3                   */
#define OP_OpenWrite     109 /* synopsis: root=P2 iDb=P3                   */
#define OP_String8       110 /* same as TK_STRING, synopsis: r[P2]='P4'    */
#define OP_OpenDup       111
#define OP_OpenAutoindex 112 /* synopsis: nColumn=P2                       */
#define OP_OpenEphemeral 113 /* synopsis: nColumn=P2                       */
#define OP_SorterOpen    114
#define OP_SequenceTest  115 /* synopsis: if( cursor[P1].ctr++ ) pc = P2   */
#define OP_OpenPseudo    116 /* synopsis: P3 columns in r[P2]              */
#define OP_Close         117
................................................................................
#define OP_DeferredSeek  134 /* synopsis: Move P3 to P1.rowid if needed    */
#define OP_IdxRowid      135 /* synopsis: r[P2]=rowid                      */
#define OP_Destroy       136
#define OP_Clear         137
#define OP_ResetSorter   138
#define OP_CreateBtree   139 /* synopsis: r[P2]=root iDb=P1 flags=P3       */
#define OP_SqlExec       140

#define OP_ParseSchema   141
#define OP_LoadAnalysis  142
#define OP_DropTable     143
#define OP_DropIndex     144
#define OP_Real          145 /* same as TK_FLOAT, synopsis: r[P2]=P4       */
#define OP_DropTrigger   146
#define OP_IntegrityCk   147
#define OP_RowSetAdd     148 /* synopsis: rowset(P1)=r[P2]                 */
#define OP_Param         149
#define OP_FkCounter     150 /* synopsis: fkctr[P1]+=P2                    */
#define OP_MemMax        151 /* synopsis: r[P1]=max(r[P1],r[P2])           */
#define OP_OffsetLimit   152 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */
................................................................................
/*  32 */ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,\
/*  40 */ 0x01, 0x23, 0x0b, 0x26, 0x26, 0x01, 0x01, 0x03,\
/*  48 */ 0x03, 0x03, 0x03, 0x03, 0x0b, 0x0b, 0x0b, 0x0b,\
/*  56 */ 0x0b, 0x0b, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,\
/*  64 */ 0x00, 0x00, 0x02, 0x02, 0x08, 0x00, 0x10, 0x10,\
/*  72 */ 0x10, 0x10, 0x00, 0x10, 0x10, 0x00, 0x00, 0x10,\
/*  80 */ 0x10, 0x00, 0x00, 0x02, 0x02, 0x02, 0x00, 0x00,\
/*  88 */ 0x12, 0x20, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00,\
/*  96 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26,\
/* 104 */ 0x26, 0x26, 0x00, 0x12, 0x00, 0x00, 0x10, 0x00,\
/* 112 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 120 */ 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 128 */ 0x10, 0x00, 0x00, 0x04, 0x04, 0x00, 0x00, 0x10,\
/* 136 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,\
/* 144 */ 0x00, 0x10, 0x00, 0x00, 0x06, 0x10, 0x00, 0x04,\
/* 152 */ 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 160 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10,\
/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00,}

/* The sqlite3P2Values() routine is able to run faster if it knows
** the value of the largest JUMP opcode.  The smaller the maximum
** JUMP opcode the better, so the mkopcodeh.tcl script that
................................................................................
#endif
  void *pCommitArg;                 /* Argument to xCommitCallback() */
  int (*xCommitCallback)(void*);    /* Invoked at every commit. */
  void *pRollbackArg;               /* Argument to xRollbackCallback() */
  void (*xRollbackCallback)(void*); /* Invoked at every commit. */
  void *pUpdateArg;
  void (*xUpdateCallback)(void*,int, const char*,const char*,sqlite_int64);
  Parse *pParse;                /* Current parse */
#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
  void *pPreUpdateArg;          /* First argument to xPreUpdateCallback */
  void (*xPreUpdateCallback)(   /* Registered using sqlite3_preupdate_hook() */
    void*,sqlite3*,int,char const*,char const*,sqlite3_int64,sqlite3_int64
  );
  PreUpdate *pPreUpdate;        /* Context for active pre-update callback */
#endif /* SQLITE_ENABLE_PREUPDATE_HOOK */
................................................................................

/*
** Allowed values for sqlite3.mDbFlags
*/
#define DBFLAG_SchemaChange   0x0001  /* Uncommitted Hash table changes */
#define DBFLAG_PreferBuiltin  0x0002  /* Preference to built-in funcs */
#define DBFLAG_Vacuum         0x0004  /* Currently in a VACUUM */
#define DBFLAG_VacuumInto     0x0008  /* Currently running VACUUM INTO */
#define DBFLAG_SchemaKnownOk  0x0010  /* Schema is known to be valid */

/*
** Bits of the sqlite3.dbOptFlags field that are used by the
** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to
** selectively disable various optimizations.
*/
#define SQLITE_QueryFlattener 0x0001   /* Query flattening */
#define SQLITE_WindowFunc     0x0002   /* Use xInverse for window functions */
#define SQLITE_GroupByOrder   0x0004   /* GROUPBY cover of ORDERBY */
#define SQLITE_FactorOutConst 0x0008   /* Constant factoring */
#define SQLITE_DistinctOpt    0x0010   /* DISTINCT using indexes */
#define SQLITE_CoverIdxScan   0x0020   /* Covering index scans */
#define SQLITE_OrderByIdxJoin 0x0040   /* ORDER BY of joins via index */
#define SQLITE_Transitive     0x0080   /* Transitive constraints */
#define SQLITE_OmitNoopJoin   0x0100   /* Omit unused tables in joins */
................................................................................
#define SQLITE_FUNC_CONSTANT 0x0800 /* Constant inputs give a constant output */
#define SQLITE_FUNC_MINMAX   0x1000 /* True for min() and max() aggregates */
#define SQLITE_FUNC_SLOCHNG  0x2000 /* "Slow Change". Value constant during a
                                    ** single query - might change over time */
#define SQLITE_FUNC_AFFINITY 0x4000 /* Built-in affinity() function */
#define SQLITE_FUNC_OFFSET   0x8000 /* Built-in sqlite_offset() function */
#define SQLITE_FUNC_WINDOW   0x00010000 /* Built-in window-only function */

#define SQLITE_FUNC_INTERNAL 0x00040000 /* For use by NestedParse() only */

/*
** The following three macros, FUNCTION(), LIKEFUNC() and AGGREGATE() are
** used to create the initializers for the FuncDef structures.
**
**   FUNCTION(zName, nArg, iArg, bNC, xFunc)
................................................................................
      int regReturn;         /* Register used to hold return address */
    } sub;
  } y;
};

/*
** The following are the meanings of bits in the Expr.flags field.
** Value restrictions:
**
**          EP_Agg == NC_HasAgg == SF_HasAgg
**          EP_Win == NC_HasWin
*/
#define EP_FromJoin  0x000001 /* Originates in ON/USING clause of outer join */

#define EP_Distinct  0x000002 /* Aggregate function with DISTINCT keyword */
#define EP_HasFunc   0x000004 /* Contains one or more functions of any kind */
#define EP_FixedCol  0x000008 /* TK_Column with a known fixed value */

#define EP_Agg       0x000010 /* Contains one or more aggregate functions */
#define EP_VarSelect 0x000020 /* pSelect is correlated, not constant */
#define EP_DblQuoted 0x000040 /* token.z was originally in "..." */
#define EP_InfixFunc 0x000080 /* True for an infix function: LIKE, GLOB, etc */
#define EP_Collate   0x000100 /* Tree contains a TK_COLLATE operator */
#define EP_Generic   0x000200 /* Ignore COLLATE or affinity on this tree */
#define EP_IntValue  0x000400 /* Integer value contained in u.iValue */
#define EP_xIsSelect 0x000800 /* x.pSelect is valid (otherwise x.pList is) */
#define EP_Skip      0x001000 /* COLLATE, AS, or UNLIKELY */
#define EP_Reduced   0x002000 /* Expr struct EXPR_REDUCEDSIZE bytes only */
#define EP_TokenOnly 0x004000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */
#define EP_Win       0x008000 /* Contains window functions */
#define EP_MemToken  0x010000 /* Need to sqlite3DbFree() Expr.zToken */
#define EP_NoReduce  0x020000 /* Cannot EXPRDUP_REDUCE this Expr */
#define EP_Unlikely  0x040000 /* unlikely() or likelihood() function */
#define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */
#define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */
#define EP_Subquery  0x200000 /* Tree contains a TK_SELECT operator */
#define EP_Alias     0x400000 /* Is an alias for a result set column */
#define EP_Leaf      0x800000 /* Expr.pLeft, .pRight, .u.pSelect all NULL */
#define EP_WinFunc  0x1000000 /* TK_FUNCTION with Expr.y.pWin set */
#define EP_Subrtn   0x2000000 /* Uses Expr.y.sub. TK_IN, _SELECT, or _EXISTS */
#define EP_Quoted   0x4000000 /* TK_ID was originally quoted */
#define EP_Static   0x8000000 /* Held in memory not obtained from malloc() */

/*
** The EP_Propagate mask is a set of properties that automatically propagate
** upwards into parent nodes.
*/
#define EP_Propagate (EP_Collate|EP_Subquery|EP_HasFunc)

................................................................................
  Select *pWinSelect;  /* SELECT statement for any window functions */
};

/*
** Allowed values for the NameContext, ncFlags field.
**
** Value constraints (all checked via assert()):
**    NC_HasAgg    == SF_HasAgg    == EP_Agg
**    NC_MinMaxAgg == SF_MinMaxAgg == SQLITE_FUNC_MINMAX
**    NC_HasWin    == EP_Win
**
*/
#define NC_AllowAgg  0x0001  /* Aggregate functions are allowed here */
#define NC_PartIdx   0x0002  /* True if resolving a partial index WHERE */
#define NC_IsCheck   0x0004  /* True if resolving names in a CHECK constraint */
#define NC_InAggFunc 0x0008  /* True if analyzing arguments to an agg func */
#define NC_HasAgg    0x0010  /* One or more aggregate functions seen */
................................................................................
#define NC_VarSelect 0x0040  /* A correlated subquery has been seen */
#define NC_UEList    0x0080  /* True if uNC.pEList is used */
#define NC_UAggInfo  0x0100  /* True if uNC.pAggInfo is used */
#define NC_UUpsert   0x0200  /* True if uNC.pUpsert is used */
#define NC_MinMaxAgg 0x1000  /* min/max aggregates seen.  See note above */
#define NC_Complex   0x2000  /* True if a function or subquery seen */
#define NC_AllowWin  0x4000  /* Window functions are allowed here */
#define NC_HasWin    0x8000  /* One or more window functions seen */

/*
** An instance of the following object describes a single ON CONFLICT
** clause in an upsert.
**
** The pUpsertTarget field is only set if the ON CONFLICT clause includes
** conflict-target clause.  (In "ON CONFLICT(a,b)" the "(a,b)" is the
................................................................................
#ifndef SQLITE_OMIT_SHARED_CACHE
  int nTableLock;        /* Number of locks in aTableLock */
  TableLock *aTableLock; /* Required table locks for shared-cache mode */
#endif
  AutoincInfo *pAinc;  /* Information about AUTOINCREMENT counters */
  Parse *pToplevel;    /* Parse structure for main program (or NULL) */
  Table *pTriggerTab;  /* Table triggers are being coded for */
  Parse *pParentParse; /* Parent parser if this parser is nested */
  int addrCrTab;       /* Address of OP_CreateBtree opcode on CREATE TABLE */
  u32 nQueryLoop;      /* Est number of iterations of a query (10*log2(N)) */
  u32 oldmask;         /* Mask of old.* columns referenced */
  u32 newmask;         /* Mask of new.* columns referenced */
  u8 eTriggerOp;       /* TK_UPDATE, TK_INSERT or TK_DELETE */
  u8 eOrconf;          /* Default ON CONFLICT policy for trigger steps */
  u8 disableTriggers;  /* True to disable triggers */
................................................................................
struct TreeView {
  int iLevel;             /* Which level of the tree we are on */
  u8  bLine[100];         /* Draw vertical in column i if bLine[i] is true */
};
#endif /* SQLITE_DEBUG */

/*
** This object is used in various ways, all related to window functions
**
**   (1) A single instance of this structure is attached to the
**       the Expr.pWin field for each window function in an expression tree.
**       This object holds the information contained in the OVER clause,
**       plus additional fields used during code generation.
**
**   (2) All window functions in a single SELECT form a linked-list
................................................................................
**       attached to Select.pWin.  The Window.pFunc and Window.pExpr
**       fields point back to the expression that is the window function.
**
**   (3) The terms of the WINDOW clause of a SELECT are instances of this
**       object on a linked list attached to Select.pWinDefn.
**
** The uses (1) and (2) are really the same Window object that just happens
** to be accessible in two different ways.  Use case (3) are separate objects.
*/
struct Window {
  char *zName;            /* Name of window (may be NULL) */
  char *zBase;            /* Name of base window for chaining (may be NULL) */
  ExprList *pPartition;   /* PARTITION BY clause */
  ExprList *pOrderBy;     /* ORDER BY clause */

  u8 eFrmType;            /* TK_RANGE, TK_GROUPS, TK_ROWS, or 0 */
  u8 eStart;              /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */
  u8 eEnd;                /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */
  u8 bImplicitFrame;      /* True if frame was implicitly specified */
  u8 eExclude;            /* TK_NO, TK_CURRENT, TK_TIES, TK_GROUP, or 0 */
  Expr *pStart;           /* Expression for "<expr> PRECEDING" */
  Expr *pEnd;             /* Expression for "<expr> FOLLOWING" */
  Window *pNextWin;       /* Next window function belonging to this SELECT */
  Expr *pFilter;          /* The FILTER expression */
  FuncDef *pFunc;         /* The function */
  int iEphCsr;            /* Partition buffer or Peer buffer */
  int regAccum;
  int regResult;
  int csrApp;             /* Function cursor (used by min/max) */
  int regApp;             /* Function register (also used by min/max) */
  int regPart;            /* Array of registers for PARTITION BY values */

  Expr *pOwner;           /* Expression object this window is attached to */
  int nBufferCol;         /* Number of columns in buffer table */
  int iArgCol;            /* Offset of first argument for this function */
  int regOne;             /* Register containing constant value 1 */
  int regStartRowid;
  int regEndRowid;
};

#ifndef SQLITE_OMIT_WINDOWFUNC
SQLITE_PRIVATE void sqlite3WindowDelete(sqlite3*, Window*);
SQLITE_PRIVATE void sqlite3WindowListDelete(sqlite3 *db, Window *p);
SQLITE_PRIVATE Window *sqlite3WindowAlloc(Parse*, int, int, Expr*, int , Expr*, u8);
SQLITE_PRIVATE void sqlite3WindowAttach(Parse*, Expr*, Window*);
SQLITE_PRIVATE int sqlite3WindowCompare(Parse*, Window*, Window*);
SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse*, Window*);
SQLITE_PRIVATE void sqlite3WindowCodeStep(Parse*, Select*, WhereInfo*, int, int);
SQLITE_PRIVATE int sqlite3WindowRewrite(Parse*, Select*);
SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse*, struct SrcList_item*);
SQLITE_PRIVATE void sqlite3WindowUpdate(Parse*, Window*, Window*, FuncDef*);
SQLITE_PRIVATE Window *sqlite3WindowDup(sqlite3 *db, Expr *pOwner, Window *p);
SQLITE_PRIVATE Window *sqlite3WindowListDup(sqlite3 *db, Window *p);
SQLITE_PRIVATE void sqlite3WindowFunctions(void);
SQLITE_PRIVATE void sqlite3WindowChain(Parse*, Window*, Window*);
SQLITE_PRIVATE Window *sqlite3WindowAssemble(Parse*, Window*, ExprList*, ExprList*, Token*);
#else
# define sqlite3WindowDelete(a,b)
# define sqlite3WindowFunctions()
# define sqlite3WindowAttach(a,b,c)
#endif

/*
................................................................................
SQLITE_PRIVATE   void sqlite3TreeViewWinFunc(TreeView*, const Window*, u8);
#endif
#endif


SQLITE_PRIVATE void sqlite3SetString(char **, sqlite3*, const char*);
SQLITE_PRIVATE void sqlite3ErrorMsg(Parse*, const char*, ...);
SQLITE_PRIVATE int sqlite3ErrorToParser(sqlite3*,int);
SQLITE_PRIVATE void sqlite3Dequote(char*);
SQLITE_PRIVATE void sqlite3DequoteExpr(Expr*);
SQLITE_PRIVATE void sqlite3TokenInit(Token*,char*);
SQLITE_PRIVATE int sqlite3KeywordCode(const unsigned char*, int);
SQLITE_PRIVATE int sqlite3RunParser(Parse*, const char*, char **);
SQLITE_PRIVATE void sqlite3FinishCoding(Parse*);
SQLITE_PRIVATE int sqlite3GetTempReg(Parse*);
................................................................................
*/
#define MEM_Null      0x0001   /* Value is NULL (or a pointer) */
#define MEM_Str       0x0002   /* Value is a string */
#define MEM_Int       0x0004   /* Value is an integer */
#define MEM_Real      0x0008   /* Value is a real number */
#define MEM_Blob      0x0010   /* Value is a BLOB */
#define MEM_AffMask   0x001f   /* Mask of affinity bits */
#define MEM_FromBind  0x0020   /* Value originates from sqlite3_bind() */
/* Available          0x0040   */
#define MEM_Undefined 0x0080   /* Value is undefined */
#define MEM_Cleared   0x0100   /* NULL set by OP_Null, not from data */
#define MEM_TypeMask  0xc1df   /* Mask of type bits */


/* Whenever Mem contains a valid string or blob representation, one of
** the following flags must be set to determine the memory management
** policy for Mem.z.  The MEM_Term flag tells us whether or not the
** string is \000 or \u0000 terminated
*/
................................................................................

/*
** Clear any existing type flags from a Mem and replace them with f
*/
#define MemSetTypeFlag(p, f) \
   ((p)->flags = ((p)->flags&~(MEM_TypeMask|MEM_Zero))|f)

/*
** True if Mem X is a NULL-nochng type.
*/
#define MemNullNochng(X) \
  ((X)->flags==(MEM_Null|MEM_Zero) && (X)->n==0 && (X)->u.nZero==0)

/*
** Return true if a memory cell is not marked as invalid.  This macro
** is for use inside assert() statements only.
*/
#ifdef SQLITE_DEBUG
#define memIsValid(M)  ((M)->flags & MEM_Undefined)==0
#endif
................................................................................
SQLITE_PRIVATE void sqlite3OomFault(sqlite3 *db){
  if( db->mallocFailed==0 && db->bBenignMalloc==0 ){
    db->mallocFailed = 1;
    if( db->nVdbeExec>0 ){
      db->u1.isInterrupted = 1;
    }
    db->lookaside.bDisable++;
    if( db->pParse ){
      db->pParse->rc = SQLITE_NOMEM_BKPT;
    }
  }
}

/*
** This routine reactivates the memory allocator and clears the
** db->mallocFailed flag as necessary.
**
................................................................................

/*
** Set the StrAccum object to an error mode.
*/
static void setStrAccumError(StrAccum *p, u8 eError){
  assert( eError==SQLITE_NOMEM || eError==SQLITE_TOOBIG );
  p->accError = eError;
  if( p->mxAlloc ) sqlite3_str_reset(p);
  if( eError==SQLITE_TOOBIG ) sqlite3ErrorToParser(p->db, eError);
}

/*
** Extra argument values from a PrintfArguments object
*/
static sqlite3_int64 getIntArg(PrintfArguments *p){
  if( p->nArg<=p->nUsed ) return 0;
................................................................................
** of the output buffer in pAccum, then cause an SQLITE_TOOBIG error.
** Do the size check before the memory allocation to prevent rogue
** SQL from requesting large allocations using the precision or width
** field of the printf() function.
*/
static char *printfTempBuf(sqlite3_str *pAccum, sqlite3_int64 n){
  char *z;
  if( pAccum->accError ) return 0;
  if( n>pAccum->nAlloc && n>pAccum->mxAlloc ){
    setStrAccumError(pAccum, SQLITE_TOOBIG);
    return 0;
  }
  z = sqlite3DbMallocRaw(pAccum->db, n);
  if( z==0 ){
    setStrAccumError(pAccum, SQLITE_NOMEM);
................................................................................
  assert( p->nChar+(i64)N >= p->nAlloc ); /* Only called if really needed */
  if( p->accError ){
    testcase(p->accError==SQLITE_TOOBIG);
    testcase(p->accError==SQLITE_NOMEM);
    return 0;
  }
  if( p->mxAlloc==0 ){

    setStrAccumError(p, SQLITE_TOOBIG);

    return p->nAlloc - p->nChar - 1;
  }else{
    char *zOld = isMalloced(p) ? p->zText : 0;
    i64 szNew = p->nChar;
    szNew += N + 1;
    if( szNew+p->nChar<=p->mxAlloc ){
      /* Force exponential buffer size growth as long as it does not overflow,
      ** to avoid having to call this routine too often */
................................................................................
** Append N bytes of text from z to the StrAccum object.  Increase the
** size of the memory allocation for StrAccum if necessary.
*/
SQLITE_API void sqlite3_str_append(sqlite3_str *p, const char *z, int N){
  assert( z!=0 || N==0 );
  assert( p->zText!=0 || p->nChar==0 || p->accError );
  assert( N>=0 );
  assert( p->accError==0 || p->nAlloc==0 || p->mxAlloc==0 );
  if( p->nChar+N >= p->nAlloc ){
    enlargeAndAppend(p,z,N);
  }else if( N ){
    assert( p->zText );
    p->nChar += N;
    memcpy(&p->zText[p->nChar-N], z, N);
  }
................................................................................
#endif /* SQLITE_OMIT_WINDOWFUNC */

#ifndef SQLITE_OMIT_WINDOWFUNC
/*
** Generate a human-readable explanation for a Window object
*/
SQLITE_PRIVATE void sqlite3TreeViewWindow(TreeView *pView, const Window *pWin, u8 more){
  int nElement = 0;
  if( pWin->pFilter ){
    sqlite3TreeViewItem(pView, "FILTER", 1);
    sqlite3TreeViewExpr(pView, pWin->pFilter, 0);
    sqlite3TreeViewPop(pView);
  }
  pView = sqlite3TreeViewPush(pView, more);
  if( pWin->zName ){
    sqlite3TreeViewLine(pView, "OVER %s (%p)", pWin->zName, pWin);
  }else{
    sqlite3TreeViewLine(pView, "OVER (%p)", pWin);
  }
  if( pWin->zBase )    nElement++;
  if( pWin->pOrderBy ) nElement++;
  if( pWin->eFrmType ) nElement++;
  if( pWin->eExclude ) nElement++;
  if( pWin->zBase ){
    sqlite3TreeViewPush(pView, (--nElement)>0);
    sqlite3TreeViewLine(pView, "window: %s", pWin->zBase);
    sqlite3TreeViewPop(pView);
  }
  if( pWin->pPartition ){
    sqlite3TreeViewExprList(pView, pWin->pPartition, nElement>0,"PARTITION-BY");
  }
  if( pWin->pOrderBy ){
    sqlite3TreeViewExprList(pView, pWin->pOrderBy, (--nElement)>0, "ORDER-BY");
  }
  if( pWin->eFrmType ){
    char zBuf[30];
    const char *zFrmType = "ROWS";
    if( pWin->eFrmType==TK_RANGE ) zFrmType = "RANGE";
    if( pWin->eFrmType==TK_GROUPS ) zFrmType = "GROUPS";
    sqlite3_snprintf(sizeof(zBuf),zBuf,"%s%s",zFrmType,
        pWin->bImplicitFrame ? " (implied)" : "");
    sqlite3TreeViewItem(pView, zBuf, (--nElement)>0);
    sqlite3TreeViewBound(pView, pWin->eStart, pWin->pStart, 1);
    sqlite3TreeViewBound(pView, pWin->eEnd, pWin->pEnd, 0);
    sqlite3TreeViewPop(pView);
  }
  if( pWin->eExclude ){
    char zBuf[30];
    const char *zExclude;
    switch( pWin->eExclude ){
      case TK_NO:      zExclude = "NO OTHERS";   break;
      case TK_CURRENT: zExclude = "CURRENT ROW"; break;
      case TK_GROUP:   zExclude = "GROUP";       break;
      case TK_TIES:    zExclude = "TIES";        break;
      default:
        sqlite3_snprintf(sizeof(zBuf),zBuf,"invalid(%d)", pWin->eExclude);
        zExclude = zBuf;
        break;
    }
    sqlite3TreeViewPush(pView, 0);
    sqlite3TreeViewLine(pView, "EXCLUDE %s", zExclude);
    sqlite3TreeViewPop(pView);
  }
  sqlite3TreeViewPop(pView);
}
#endif /* SQLITE_OMIT_WINDOWFUNC */

#ifndef SQLITE_OMIT_WINDOWFUNC
/*
** Generate a human-readable explanation for a Window Function object
................................................................................
#ifndef SQLITE_OMIT_UTF16
/*
** This routine transforms the internal text encoding used by pMem to
** desiredEnc. It is an error if the string is already of the desired
** encoding, or if *pMem does not contain a string value.
*/
SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desiredEnc){
  sqlite3_int64 len;          /* Maximum length of output string in bytes */
  unsigned char *zOut;        /* Output buffer */
  unsigned char *zIn;         /* Input iterator */
  unsigned char *zTerm;       /* End of input */
  unsigned char *z;           /* Output iterator */
  unsigned int c;

  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );
  assert( pMem->flags&MEM_Str );
  assert( pMem->enc!=desiredEnc );
  assert( pMem->enc!=0 );
  assert( pMem->n>=0 );
................................................................................
  if( desiredEnc==SQLITE_UTF8 ){
    /* When converting from UTF-16, the maximum growth results from
    ** translating a 2-byte character to a 4-byte UTF-8 character.
    ** A single byte is required for the output string
    ** nul-terminator.
    */
    pMem->n &= ~1;
    len = 2 * (sqlite3_int64)pMem->n + 1;
  }else{
    /* When converting from UTF-8 to UTF-16 the maximum growth is caused
    ** when a 1-byte UTF-8 character is translated into a 2-byte UTF-16
    ** character. Two bytes are required in the output buffer for the
    ** nul-terminator.
    */
    len = 2 * (sqlite3_int64)pMem->n + 2;
  }

  /* Set zIn to point at the start of the input buffer and zTerm to point 1
  ** byte past the end.
  **
  ** Variable zOut is set to point at the output buffer, space obtained
  ** from sqlite3_malloc().
................................................................................
SQLITE_PRIVATE void sqlite3Coverage(int x){
  static unsigned dummy = 0;
  dummy += (unsigned)x;
}
#endif

/*
** Calls to sqlite3FaultSim() are used to simulate a failure during testing,
** or to bypass normal error detection during testing in order to let 
** execute proceed futher downstream.
**
** In deployment, sqlite3FaultSim() *always* return SQLITE_OK (0).  The
** sqlite3FaultSim() function only returns non-zero during testing.
**
** During testing, if the test harness has set a fault-sim callback using
** a call to sqlite3_test_control(SQLITE_TESTCTRL_FAULT_INSTALL), then
** each call to sqlite3FaultSim() is relayed to that application-supplied
** callback and the integer return value form the application-supplied
** callback is returned by sqlite3FaultSim().
**
** The integer argument to sqlite3FaultSim() is a code to identify which
** sqlite3FaultSim() instance is being invoked. Each call to sqlite3FaultSim()
** should have a unique code.  To prevent legacy testing applications from
** breaking, the codes should not be changed or reused.
*/
#ifndef SQLITE_UNTESTABLE
SQLITE_PRIVATE int sqlite3FaultSim(int iTest){
  int (*xCallback)(int) = sqlite3GlobalConfig.xTestCallback;
  return xCallback ? xCallback(iTest) : SQLITE_OK;
}
#endif
................................................................................
  }else{
    pParse->nErr++;
    sqlite3DbFree(db, pParse->zErrMsg);
    pParse->zErrMsg = zMsg;
    pParse->rc = SQLITE_ERROR;
  }
}

/*
** If database connection db is currently parsing SQL, then transfer
** error code errCode to that parser if the parser has not already
** encountered some other kind of error.
*/
SQLITE_PRIVATE int sqlite3ErrorToParser(sqlite3 *db, int errCode){
  Parse *pParse;
  if( db==0 || (pParse = db->pParse)==0 ) return errCode;
  pParse->rc = errCode;
  pParse->nErr++;
  return errCode;
}

/*
** Convert an SQL-style quoted string into a normal string by removing
** the quote characters.  The conversion is done in-place.  If the
** input does not begin with a quote character, then this routine
** is a no-op.
**
................................................................................
  char *z;               /* Pointer to where zName will be stored */
  int i;                 /* Index in pIn[] where zName is stored */

  nInt = nName/4 + 3;
  assert( pIn==0 || pIn[0]>=3 );  /* Verify ok to add new elements */
  if( pIn==0 || pIn[1]+nInt > pIn[0] ){
    /* Enlarge the allocation */
    sqlite3_int64 nAlloc = (pIn ? 2*(sqlite3_int64)pIn[0] : 10) + nInt;
    VList *pOut = sqlite3DbRealloc(db, pIn, nAlloc*sizeof(int));
    if( pOut==0 ) return pIn;
    if( pIn==0 ) pOut[1] = 2;
    pIn = pOut;
    pIn[0] = nAlloc;
  }
  i = pIn[1];
................................................................................
*/
static HashElem *findElementWithHash(
  const Hash *pH,     /* The pH to be searched */
  const char *pKey,   /* The key we are searching for */
  unsigned int *pHash /* Write the hash value here */
){
  HashElem *elem;                /* Used to loop thru the element list */
  unsigned int count;            /* Number of elements left to test */
  unsigned int h;                /* The computed hash */
  static HashElem nullElement = { 0, 0, 0, 0 };

  if( pH->ht ){   /*OPTIMIZATION-IF-TRUE*/
    struct _ht *pEntry;
    h = strHash(pKey) % pH->htsize;
    pEntry = &pH->ht[h];
................................................................................
    elem->next->prev = elem->prev;
  }
  if( pH->ht ){
    pEntry = &pH->ht[h];
    if( pEntry->chain==elem ){
      pEntry->chain = elem->next;
    }
    assert( pEntry->count>0 );
    pEntry->count--;
  }
  sqlite3_free( elem );
  pH->count--;
  if( pH->count==0 ){
    assert( pH->first==0 );
    assert( pH->count==0 );
    sqlite3HashClear(pH);
................................................................................
    /*  85 */ "Cast"             OpHelp("affinity(r[P1])"),
    /*  86 */ "Permutation"      OpHelp(""),
    /*  87 */ "Compare"          OpHelp("r[P1@P3] <-> r[P2@P3]"),
    /*  88 */ "IsTrue"           OpHelp("r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4"),
    /*  89 */ "Offset"           OpHelp("r[P3] = sqlite_offset(P1)"),
    /*  90 */ "Column"           OpHelp("r[P3]=PX"),
    /*  91 */ "Affinity"         OpHelp("affinity(r[P1@P2])"),
    /*  92 */ "MakeRecord"       OpHelp("r[P3]=mkrec(r[P1@P2])"),
    /*  93 */ "Count"            OpHelp("r[P2]=count()"),
    /*  94 */ "ReadCookie"       OpHelp(""),
    /*  95 */ "SetCookie"        OpHelp(""),
    /*  96 */ "BitAnd"           OpHelp("r[P3]=r[P1]&r[P2]"),
    /*  97 */ "BitOr"            OpHelp("r[P3]=r[P1]|r[P2]"),
    /*  98 */ "ShiftLeft"        OpHelp("r[P3]=r[P2]<<r[P1]"),
    /*  99 */ "ShiftRight"       OpHelp("r[P3]=r[P2]>>r[P1]"),
    /* 100 */ "Add"              OpHelp("r[P3]=r[P1]+r[P2]"),
    /* 101 */ "Subtract"         OpHelp("r[P3]=r[P2]-r[P1]"),
    /* 102 */ "Multiply"         OpHelp("r[P3]=r[P1]*r[P2]"),
    /* 103 */ "Divide"           OpHelp("r[P3]=r[P2]/r[P1]"),
    /* 104 */ "Remainder"        OpHelp("r[P3]=r[P2]%r[P1]"),
    /* 105 */ "Concat"           OpHelp("r[P3]=r[P2]+r[P1]"),
    /* 106 */ "ReopenIdx"        OpHelp("root=P2 iDb=P3"),
    /* 107 */ "BitNot"           OpHelp("r[P2]= ~r[P1]"),
    /* 108 */ "OpenRead"         OpHelp("root=P2 iDb=P3"),
    /* 109 */ "OpenWrite"        OpHelp("root=P2 iDb=P3"),
    /* 110 */ "String8"          OpHelp("r[P2]='P4'"),
    /* 111 */ "OpenDup"          OpHelp(""),
    /* 112 */ "OpenAutoindex"    OpHelp("nColumn=P2"),
    /* 113 */ "OpenEphemeral"    OpHelp("nColumn=P2"),
    /* 114 */ "SorterOpen"       OpHelp(""),
    /* 115 */ "SequenceTest"     OpHelp("if( cursor[P1].ctr++ ) pc = P2"),
    /* 116 */ "OpenPseudo"       OpHelp("P3 columns in r[P2]"),
    /* 117 */ "Close"            OpHelp(""),
................................................................................
    /* 134 */ "DeferredSeek"     OpHelp("Move P3 to P1.rowid if needed"),
    /* 135 */ "IdxRowid"         OpHelp("r[P2]=rowid"),
    /* 136 */ "Destroy"          OpHelp(""),
    /* 137 */ "Clear"            OpHelp(""),
    /* 138 */ "ResetSorter"      OpHelp(""),
    /* 139 */ "CreateBtree"      OpHelp("r[P2]=root iDb=P1 flags=P3"),
    /* 140 */ "SqlExec"          OpHelp(""),

    /* 141 */ "ParseSchema"      OpHelp(""),
    /* 142 */ "LoadAnalysis"     OpHelp(""),
    /* 143 */ "DropTable"        OpHelp(""),
    /* 144 */ "DropIndex"        OpHelp(""),
    /* 145 */ "Real"             OpHelp("r[P2]=P4"),
    /* 146 */ "DropTrigger"      OpHelp(""),
    /* 147 */ "IntegrityCk"      OpHelp(""),
    /* 148 */ "RowSetAdd"        OpHelp("rowset(P1)=r[P2]"),
    /* 149 */ "Param"            OpHelp(""),
    /* 150 */ "FkCounter"        OpHelp("fkctr[P1]+=P2"),
    /* 151 */ "MemMax"           OpHelp("r[P1]=max(r[P1],r[P2])"),
    /* 152 */ "OffsetLimit"      OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"),
................................................................................

/*
** Malloc function used by SQLite to obtain space from the buffer configured
** using sqlite3_config(SQLITE_CONFIG_PAGECACHE) option. If no such buffer
** exists, this function falls back to sqlite3Malloc().
*/
SQLITE_PRIVATE void *sqlite3PageMalloc(int sz){
  assert( sz<=65536+8 ); /* These allocations are never very large */


  return pcache1Alloc(sz);
}

/*
** Free an allocated buffer obtained from sqlite3PageMalloc().
*/
SQLITE_PRIVATE void sqlite3PageFree(void *p){
................................................................................
**   * the database file is open,
**   * there are no dirty pages in the cache, and
**   * the desired page is not currently in the wal file.
*/
SQLITE_PRIVATE int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno){
  if( pPager->fd->pMethods==0 ) return 0;
  if( sqlite3PCacheIsDirty(pPager->pPCache) ) return 0;
#ifdef SQLITE_HAS_CODEC
  if( pPager->xCodec!=0 ) return 0;
#endif
#ifndef SQLITE_OMIT_WAL
  if( pPager->pWal ){
    u32 iRead = 0;
    int rc;
    rc = sqlite3WalFindFrame(pPager->pWal, pgno, &iRead);
    return (rc==SQLITE_OK && iRead==0);
  }
................................................................................
    char *pNew = NULL;             /* New temp space */
    i64 nByte = 0;

    if( pPager->eState>PAGER_OPEN && isOpen(pPager->fd) ){
      rc = sqlite3OsFileSize(pPager->fd, &nByte);
    }
    if( rc==SQLITE_OK ){
      /* 8 bytes of zeroed overrun space is sufficient so that the b-tree
      * cell header parser will never run off the end of the allocation */
      pNew = (char *)sqlite3PageMalloc(pageSize+8);
      if( !pNew ){
        rc = SQLITE_NOMEM_BKPT;
      }else{
        memset(pNew+pageSize, 0, 8);
      }
    }

    if( rc==SQLITE_OK ){
      pager_reset(pPager);
      rc = sqlite3PcacheSetPageSize(pPager->pPCache, pageSize);
    }
    if( rc==SQLITE_OK ){
................................................................................
  /* If the cache contains a page with page-number pgno, remove it
  ** from its hash chain. Also, if the PGHDR_NEED_SYNC flag was set for 
  ** page pgno before the 'move' operation, it needs to be retained 
  ** for the page moved there.
  */
  pPg->flags &= ~PGHDR_NEED_SYNC;
  pPgOld = sqlite3PagerLookup(pPager, pgno);
  assert( !pPgOld || pPgOld->nRef==1 || CORRUPT_DB );
  if( pPgOld ){
    if( pPgOld->nRef>1 ){
      sqlite3PagerUnrefNotNull(pPgOld);
      return SQLITE_CORRUPT_BKPT;
    }
    pPg->flags |= (pPgOld->flags&PGHDR_NEED_SYNC);
    if( pPager->tempFile ){
      /* Do not discard pages from an in-memory database since we might
      ** need to rollback later.  Just move the page out of the way. */
      sqlite3PcacheMove(pPgOld, pPager->dbSize+1);
    }else{
      sqlite3PcacheDrop(pPgOld);
................................................................................

/*
** Release a lock obtained by an earlier successful call to
** sqlite3PagerSnapshotCheck().
*/
SQLITE_PRIVATE void sqlite3PagerSnapshotUnlock(Pager *pPager){
  assert( pPager->pWal );
  sqlite3WalSnapshotUnlock(pPager->pWal);
}

#endif /* SQLITE_ENABLE_SNAPSHOT */
#endif /* !SQLITE_OMIT_WAL */

#ifdef SQLITE_ENABLE_ZIPVFS
/*
................................................................................
  int iPage,               /* The page we seek */
  volatile u32 **ppPage    /* Write the page pointer here */
){
  int rc = SQLITE_OK;

  /* Enlarge the pWal->apWiData[] array if required */
  if( pWal->nWiData<=iPage ){
    sqlite3_int64 nByte = sizeof(u32*)*(iPage+1);
    volatile u32 **apNew;
    apNew = (volatile u32 **)sqlite3_realloc64((void *)pWal->apWiData, nByte);
    if( !apNew ){
      *ppPage = 0;
      return SQLITE_NOMEM_BKPT;
    }
    memset((void*)&apNew[pWal->nWiData], 0,
................................................................................
    s2 = aIn[1];
  }else{
    s1 = s2 = 0;
  }

  assert( nByte>=8 );
  assert( (nByte&0x00000007)==0 );
  assert( nByte<=65536 );

  if( nativeCksum ){
    do {
      s1 += *aData++ + s2;
      s2 += *aData++ + s1;
    }while( aData<aEnd );
  }else{
................................................................................
** actually needed.
*/
static void walCleanupHash(Wal *pWal){
  WalHashLoc sLoc;                /* Hash table location */
  int iLimit = 0;                 /* Zero values greater than this */
  int nByte;                      /* Number of bytes to zero in aPgno[] */
  int i;                          /* Used to iterate through aHash[] */
  int rc;                         /* Return code form walHashGet() */

  assert( pWal->writeLock );
  testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE-1 );
  testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE );
  testcase( pWal->hdr.mxFrame==HASHTABLE_NPAGE_ONE+1 );

  if( pWal->hdr.mxFrame==0 ) return;

  /* Obtain pointers to the hash-table and page-number array containing 
  ** the entry that corresponds to frame pWal->hdr.mxFrame. It is guaranteed
  ** that the page said hash-table and array reside on is already mapped.(1)
  */
  assert( pWal->nWiData>walFramePage(pWal->hdr.mxFrame) );
  assert( pWal->apWiData[walFramePage(pWal->hdr.mxFrame)] );
  rc = walHashGet(pWal, walFramePage(pWal->hdr.mxFrame), &sLoc);
  if( NEVER(rc) ) return; /* Defense-in-depth, in case (1) above is wrong */

  /* Zero all hash-table entries that correspond to frame numbers greater
  ** than pWal->hdr.mxFrame.
  */
  iLimit = pWal->hdr.mxFrame - sLoc.iZero;
  assert( iLimit>0 );
  for(i=0; i<HASHTABLE_NSLOT; i++){
................................................................................
** The calling routine should invoke walIteratorFree() to destroy the
** WalIterator object when it has finished with it.
*/
static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){
  WalIterator *p;                 /* Return value */
  int nSegment;                   /* Number of segments to merge */
  u32 iLast;                      /* Last frame in log */
  sqlite3_int64 nByte;            /* Number of bytes to allocate */
  int i;                          /* Iterator variable */
  ht_slot *aTmp;                  /* Temp space used by merge-sort */
  int rc = SQLITE_OK;             /* Return Code */

  /* This routine only runs while holding the checkpoint lock. And
  ** it only runs if there is actually content in the log (mxFrame>0).
  */
................................................................................
  u8 hdrOffset;        /* 100 for page 1.  0 otherwise */
  u8 childPtrSize;     /* 0 if leaf==1.  4 if leaf==0 */
  u8 max1bytePayload;  /* min(maxLocal,127) */
  u8 nOverflow;        /* Number of overflow cell bodies in aCell[] */
  u16 maxLocal;        /* Copy of BtShared.maxLocal or BtShared.maxLeaf */
  u16 minLocal;        /* Copy of BtShared.minLocal or BtShared.minLeaf */
  u16 cellOffset;      /* Index in aData of first cell pointer */
  int nFree;           /* Number of free bytes on the page. -1 for unknown */
  u16 nCell;           /* Number of cells on this page, local and ovfl */
  u16 maskPage;        /* Mask for page offset */
  u16 aiOvfl[4];       /* Insert the i-th overflow cell before the aiOvfl-th
                       ** non-overflow cell */
  u8 *apOvfl[4];       /* Pointers to the body of overflow cells */
  BtShared *pBt;       /* Pointer to BtShared that this page is part of */
  u8 *aData;           /* Pointer to disk image of the page data */
................................................................................
** when saveCursorPosition() was called. Note that this call deletes the 
** saved position info stored by saveCursorPosition(), so there can be
** at most one effective restoreCursorPosition() call after each 
** saveCursorPosition().
*/
static int btreeRestoreCursorPosition(BtCursor *pCur){
  int rc;
  int skipNext = 0;
  assert( cursorOwnsBtShared(pCur) );
  assert( pCur->eState>=CURSOR_REQUIRESEEK );
  if( pCur->eState==CURSOR_FAULT ){
    return pCur->skipNext;
  }
  pCur->eState = CURSOR_INVALID;
  if( sqlite3FaultSim(410) ){
    rc = SQLITE_IOERR;
  }else{
    rc = btreeMoveto(pCur, pCur->pKey, pCur->nKey, 0, &skipNext);
  }
  if( rc==SQLITE_OK ){
    sqlite3_free(pCur->pKey);
    pCur->pKey = 0;
    assert( pCur->eState==CURSOR_VALID || pCur->eState==CURSOR_INVALID );
    if( skipNext ) pCur->skipNext = skipNext;
    if( pCur->skipNext && pCur->eState==CURSOR_VALID ){
      pCur->eState = CURSOR_SKIPNEXT;
................................................................................
  assert( pPage->nOverflow==0 );
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  temp = 0;
  src = data = pPage->aData;
  hdr = pPage->hdrOffset;
  cellOffset = pPage->cellOffset;
  nCell = pPage->nCell;
  assert( nCell==get2byte(&data[hdr+3]) || CORRUPT_DB );
  iCellFirst = cellOffset + 2*nCell;
  usableSize = pPage->pBt->usableSize;

  /* This block handles pages with two or fewer free blocks and nMaxFrag
  ** or fewer fragmented bytes. In this case it is faster to move the
  ** two (or one) blocks of cells using memmove() and add the required
  ** offsets to each pointer in the cell-pointer array than it is to 
  ** reconstruct the entire page.  */
  if( (int)data[hdr+7]<=nMaxFrag ){
    int iFree = get2byte(&data[hdr+1]);





    if( iFree>usableSize-4 ) return SQLITE_CORRUPT_PAGE(pPage);
    if( iFree ){
      int iFree2 = get2byte(&data[iFree]);
      if( iFree2>usableSize-4 ) return SQLITE_CORRUPT_PAGE(pPage);
      if( 0==iFree2 || (data[iFree2]==0 && data[iFree2+1]==0) ){
        u8 *pEnd = &data[cellOffset + nCell*2];
        u8 *pAddr;
        int sz2 = 0;
................................................................................
        }
        if( iFree2 ){
          if( iFree+sz>iFree2 ) return SQLITE_CORRUPT_PAGE(pPage);
          sz2 = get2byte(&data[iFree2+2]);
          if( iFree2+sz2 > usableSize ) return SQLITE_CORRUPT_PAGE(pPage);
          memmove(&data[iFree+sz+sz2], &data[iFree+sz], iFree2-(iFree+sz));
          sz += sz2;
        }else if( iFree+sz>usableSize ){
          return SQLITE_CORRUPT_PAGE(pPage);
        }

        cbrk = top+sz;
        assert( cbrk+(iFree-top) <= usableSize );
        memmove(&data[cbrk], &data[top], iFree-top);
        for(pAddr=&data[cellOffset]; pAddr<pEnd; pAddr+=2){
          pc = get2byte(pAddr);
          if( pc<iFree ){ put2byte(pAddr, pc+sz); }
          else if( pc<iFree2 ){ put2byte(pAddr, pc+sz2); }
................................................................................
      src = temp;
    }
    memcpy(&data[cbrk], &src[pc], size);
  }
  data[hdr+7] = 0;

 defragment_out:
  assert( pPage->nFree>=0 );
  if( data[hdr+7]+cbrk-iCellFirst!=pPage->nFree ){
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  assert( cbrk>=iCellFirst );
  put2byte(&data[hdr+5], cbrk);
  data[hdr+1] = 0;
  data[hdr+2] = 0;
................................................................................
** detected then *pRc is set to SQLITE_CORRUPT and NULL is returned.
**
** Slots on the free list that are between 1 and 3 bytes larger than nByte
** will be ignored if adding the extra space to the fragmentation count
** causes the fragmentation count to exceed 60.
*/
static u8 *pageFindSlot(MemPage *pPg, int nByte, int *pRc){
  const int hdr = pPg->hdrOffset;            /* Offset to page header */
  u8 * const aData = pPg->aData;             /* Page data */
  int iAddr = hdr + 1;                       /* Address of ptr to pc */
  int pc = get2byte(&aData[iAddr]);          /* Address of a free slot */
  int x;                                     /* Excess size of the slot */
  int maxPC = pPg->pBt->usableSize - nByte;  /* Max address for a usable slot */
  int size;                                  /* Size of the free slot */

  assert( pc>0 );
  while( pc<=maxPC ){
    /* EVIDENCE-OF: R-22710-53328 The third and fourth bytes of each
    ** freeblock form a big-endian integer which is the size of the freeblock
    ** in bytes, including the 4-byte header. */
    size = get2byte(&aData[pc+2]);
    if( (x = size - nByte)>=0 ){
      testcase( x==4 );
      testcase( x==3 );



      if( x<4 ){
        /* EVIDENCE-OF: R-11498-58022 In a well-formed b-tree page, the total
        ** number of bytes in fragments may not exceed 60. */
        if( aData[hdr+7]>57 ) return 0;

        /* Remove the slot from the free-list. Update the number of
        ** fragmented bytes within the page. */
        memcpy(&aData[iAddr], &aData[pc], 2);
        aData[hdr+7] += (u8)x;
      }else if( x+pc > maxPC ){
        /* This slot extends off the end of the usable part of the page */
        *pRc = SQLITE_CORRUPT_PAGE(pPg);
        return 0;
      }else{
        /* The slot remains on the free-list. Reduce its size to account
        ** for the portion used by the new allocation. */
        put2byte(&aData[pc+2], x);
      }
      return &aData[pc + x];
    }
    iAddr = pc;
    pc = get2byte(&aData[pc]);
    if( pc<=iAddr+size ){

      if( pc ){
        /* The next slot in the chain is not past the end of the current slot */
        *pRc = SQLITE_CORRUPT_PAGE(pPg);
      }
      return 0;
    }
  }
  if( pc>maxPC+nByte-4 ){
    /* The free slot chain extends off the end of the page */
    *pRc = SQLITE_CORRUPT_PAGE(pPg);
  }
  return 0;
}

/*
** Allocate nByte bytes of space from within the B-Tree page passed
** as the first argument. Write into *pIdx the index into pPage->aData[]
** of the first byte of allocated space. Return either SQLITE_OK or
................................................................................
    if( top==0 && pPage->pBt->usableSize==65536 ){
      top = 65536;
    }else{
      return SQLITE_CORRUPT_PAGE(pPage);
    }
  }

  /* If there is enough space between gap and top for one more cell pointer,
  ** and if the freelist is not empty, then search the
  ** freelist looking for a slot big enough to satisfy the request.
  */
  testcase( gap+2==top );
  testcase( gap+1==top );
  testcase( gap==top );
  if( (data[hdr+2] || data[hdr+1]) && gap+2<=top ){
    u8 *pSpace = pageFindSlot(pPage, nByte, &rc);
    if( pSpace ){
................................................................................

  /* The request could not be fulfilled using a freelist slot.  Check
  ** to see if defragmentation is necessary.
  */
  testcase( gap+2+nByte==top );
  if( gap+2+nByte>top ){
    assert( pPage->nCell>0 || CORRUPT_DB );
    assert( pPage->nFree>=0 );
    rc = defragmentPage(pPage, MIN(4, pPage->nFree - (2+nByte)));
    if( rc ) return rc;
    top = get2byteNotZero(&data[hdr+5]);
    assert( gap+2+nByte<=top );
  }


  /* Allocate memory from the gap in between the cell pointer array
  ** and the cell content area.  The btreeComputeFreeSpace() call has already
  ** validated the freelist.  Given that the freelist is valid, there
  ** is no way that the allocation can extend off the end of the page.
  ** The assert() below verifies the previous sentence.
  */
  top -= nByte;
  put2byte(&data[hdr+5], top);
  assert( top+nByte <= (int)pPage->pBt->usableSize );
................................................................................
/*
** Return a section of the pPage->aData to the freelist.
** The first byte of the new free block is pPage->aData[iStart]
** and the size of the block is iSize bytes.
**
** Adjacent freeblocks are coalesced.
**
** Even though the freeblock list was checked by btreeComputeFreeSpace(),
** that routine will not detect overlap between cells or freeblocks.  Nor
** does it detect cells or freeblocks that encrouch into the reserved bytes
** at the end of the page.  So do additional corruption checks inside this
** routine and return SQLITE_CORRUPT if any problems are found.
*/
static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){
  u16 iPtr;                             /* Address of ptr to next freeblock */
................................................................................
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  pPage->max1bytePayload = pBt->max1bytePayload;
  return SQLITE_OK;
}

/*
** Compute the amount of freespace on the page.  In other words, fill
** in the pPage->nFree field.





*/

static int btreeComputeFreeSpace(MemPage *pPage){
  int pc;            /* Address of a freeblock within pPage->aData[] */
  u8 hdr;            /* Offset to beginning of page header */
  u8 *data;          /* Equal to pPage->aData */

  int usableSize;    /* Amount of usable space on each page */

  int nFree;         /* Number of unused bytes on the page */
  int top;           /* First byte of the cell content area */
  int iCellFirst;    /* First allowable cell or freeblock offset */
  int iCellLast;     /* Last possible cell or freeblock offset */

  assert( pPage->pBt!=0 );
  assert( pPage->pBt->db!=0 );
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  assert( pPage->pgno==sqlite3PagerPagenumber(pPage->pDbPage) );
  assert( pPage == sqlite3PagerGetExtra(pPage->pDbPage) );
  assert( pPage->aData == sqlite3PagerGetData(pPage->pDbPage) );
  assert( pPage->isInit==1 );
  assert( pPage->nFree<0 );

  usableSize = pPage->pBt->usableSize;
  hdr = pPage->hdrOffset;
  data = pPage->aData;













  /* EVIDENCE-OF: R-58015-48175 The two-byte integer at offset 5 designates
  ** the start of the cell content area. A zero value for this integer is
  ** interpreted as 65536. */
  top = get2byteNotZero(&data[hdr+5]);






















  iCellFirst = hdr + 8 + pPage->childPtrSize + 2*pPage->nCell;
  iCellLast = usableSize - 4;





















  /* Compute the total free space on the page
  ** EVIDENCE-OF: R-23588-34450 The two-byte integer at offset 1 gives the
  ** start of the first freeblock on the page, or is zero if there are no
  ** freeblocks. */
  pc = get2byte(&data[hdr+1]);
  nFree = data[hdr+7] + top;  /* Init nFree to non-freeblock free space */
................................................................................
  ** serves to verify that the offset to the start of the cell-content
  ** area, according to the page header, lies within the page.
  */
  if( nFree>usableSize ){
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  pPage->nFree = (u16)(nFree - iCellFirst);
  return SQLITE_OK;
}

/*
** Do additional sanity check after btreeInitPage() if
** PRAGMA cell_size_check=ON 
*/
static SQLITE_NOINLINE int btreeCellSizeCheck(MemPage *pPage){
  int iCellFirst;    /* First allowable cell or freeblock offset */
  int iCellLast;     /* Last possible cell or freeblock offset */
  int i;             /* Index into the cell pointer array */
  int sz;            /* Size of a cell */
  int pc;            /* Address of a freeblock within pPage->aData[] */
  u8 *data;          /* Equal to pPage->aData */
  int usableSize;    /* Maximum usable space on the page */
  int cellOffset;    /* Start of cell content area */

  iCellFirst = pPage->cellOffset + 2*pPage->nCell;
  usableSize = pPage->pBt->usableSize;
  iCellLast = usableSize - 4;
  data = pPage->aData;
  cellOffset = pPage->cellOffset;
  if( !pPage->leaf ) iCellLast--;
  for(i=0; i<pPage->nCell; i++){
    pc = get2byteAligned(&data[cellOffset+i*2]);
    testcase( pc==iCellFirst );
    testcase( pc==iCellLast );
    if( pc<iCellFirst || pc>iCellLast ){
      return SQLITE_CORRUPT_PAGE(pPage);
    }
    sz = pPage->xCellSize(pPage, &data[pc]);
    testcase( pc+sz==usableSize );
    if( pc+sz>usableSize ){
      return SQLITE_CORRUPT_PAGE(pPage);
    }
  }
  return SQLITE_OK;
}

/*
** Initialize the auxiliary information for a disk block.
**
** Return SQLITE_OK on success.  If we see that the page does
** not contain a well-formed database page, then return 
** SQLITE_CORRUPT.  Note that a return of SQLITE_OK does not
** guarantee that the page is well-formed.  It only shows that
** we failed to detect any corruption.
*/
static int btreeInitPage(MemPage *pPage){
  u8 *data;          /* Equal to pPage->aData */
  BtShared *pBt;        /* The main btree structure */

  assert( pPage->pBt!=0 );
  assert( pPage->pBt->db!=0 );
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  assert( pPage->pgno==sqlite3PagerPagenumber(pPage->pDbPage) );
  assert( pPage == sqlite3PagerGetExtra(pPage->pDbPage) );
  assert( pPage->aData == sqlite3PagerGetData(pPage->pDbPage) );
  assert( pPage->isInit==0 );

  pBt = pPage->pBt;
  data = pPage->aData + pPage->hdrOffset;
  /* EVIDENCE-OF: R-28594-02890 The one-byte flag at offset 0 indicating
  ** the b-tree page type. */
  if( decodeFlags(pPage, data[0]) ){
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  assert( pBt->pageSize>=512 && pBt->pageSize<=65536 );
  pPage->maskPage = (u16)(pBt->pageSize - 1);
  pPage->nOverflow = 0;
  pPage->cellOffset = pPage->hdrOffset + 8 + pPage->childPtrSize;
  pPage->aCellIdx = data + pPage->childPtrSize + 8;
  pPage->aDataEnd = pPage->aData + pBt->usableSize;
  pPage->aDataOfst = pPage->aData + pPage->childPtrSize;
  /* EVIDENCE-OF: R-37002-32774 The two-byte integer at offset 3 gives the
  ** number of cells on the page. */
  pPage->nCell = get2byte(&data[3]);
  if( pPage->nCell>MX_CELL(pBt) ){
    /* To many cells for a single page.  The page must be corrupt */
    return SQLITE_CORRUPT_PAGE(pPage);
  }
  testcase( pPage->nCell==MX_CELL(pBt) );
  /* EVIDENCE-OF: R-24089-57979 If a page contains no cells (which is only
  ** possible for a root page of a table that contains no rows) then the
  ** offset to the cell content area will equal the page size minus the
  ** bytes of reserved space. */
  assert( pPage->nCell>0
       || get2byteNotZero(&data[5])==(int)pBt->usableSize
       || CORRUPT_DB );
  pPage->nFree = -1;  /* Indicate that this value is yet uncomputed */
  pPage->isInit = 1;
  if( pBt->db->flags & SQLITE_CellSizeCk ){
    return btreeCellSizeCheck(pPage);
  }
  return SQLITE_OK;
}

/*
** Set up a raw page so that it looks like a database page holding
** no entries.
*/
................................................................................
  assert( sqlite3_mutex_held(pBt->mutex) );
  assert( pCur==0 || ppPage==&pCur->pPage );
  assert( pCur==0 || bReadOnly==pCur->curPagerFlags );
  assert( pCur==0 || pCur->iPage>0 );

  if( pgno>btreePagecount(pBt) ){
    rc = SQLITE_CORRUPT_BKPT;
    goto getAndInitPage_error1;
  }
  rc = sqlite3PagerGet(pBt->pPager, pgno, (DbPage**)&pDbPage, bReadOnly);
  if( rc ){
    goto getAndInitPage_error1;
  }
  *ppPage = (MemPage*)sqlite3PagerGetExtra(pDbPage);
  if( (*ppPage)->isInit==0 ){
    btreePageFromDbPage(pDbPage, pgno, pBt);
    rc = btreeInitPage(*ppPage);
    if( rc!=SQLITE_OK ){

      goto getAndInitPage_error2;
    }
  }
  assert( (*ppPage)->pgno==pgno );
  assert( (*ppPage)->aData==sqlite3PagerGetData(pDbPage) );

  /* If obtaining a child page for a cursor, we must verify that the page is
  ** compatible with the root page. */
  if( pCur && ((*ppPage)->nCell<1 || (*ppPage)->intKey!=pCur->curIntKey) ){
    rc = SQLITE_CORRUPT_PGNO(pgno);

    goto getAndInitPage_error2;
  }
  return SQLITE_OK;

getAndInitPage_error2:
  releasePage(*ppPage);
getAndInitPage_error1:
  if( pCur ){
    pCur->iPage--;
    pCur->pPage = pCur->apPage[pCur->iPage];
  }
  testcase( pgno==0 );
  assert( pgno!=0 || rc==SQLITE_CORRUPT );
  return rc;
................................................................................
    assert( pCur->pgnoRoot==0 || pCur->pPage->nCell==0 );
    *pRes = 1;
    rc = SQLITE_OK;
  }
  return rc;
}


















/* Move the cursor to the last entry in the table.  Return SQLITE_OK
** on success.  Set *pRes to 0 if the cursor actually points to something
** or set *pRes to 1 if the table is empty.
*/
SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){
  int rc;
 
................................................................................
          pCur->ix = (u16)idx;
          rc = accessPayload(pCur, 0, nCell, (unsigned char*)pCellKey, 0);
          pCur->curFlags &= ~BTCF_ValidOvfl;
          if( rc ){
            sqlite3_free(pCellKey);
            goto moveto_finish;
          }
          c = sqlite3VdbeRecordCompare(nCell, pCellKey, pIdxKey);
          sqlite3_free(pCellKey);
        }
        assert( 
            (pIdxKey->errCode!=SQLITE_CORRUPT || c==0)
         && (pIdxKey->errCode!=SQLITE_NOMEM || pCur->pBtree->db->mallocFailed)
        );
        if( c<0 ){
................................................................................
*/
static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){
  MemPage *pTrunk = 0;                /* Free-list trunk page */
  Pgno iTrunk = 0;                    /* Page number of free-list trunk page */ 
  MemPage *pPage1 = pBt->pPage1;      /* Local reference to page 1 */
  MemPage *pPage;                     /* Page being freed. May be NULL. */
  int rc;                             /* Return Code */
  u32 nFree;                          /* Initial number of pages on free-list */

  assert( sqlite3_mutex_held(pBt->mutex) );
  assert( CORRUPT_DB || iPage>1 );
  assert( !pMemPage || pMemPage->pgno==iPage );

  if( iPage<2 || iPage>pBt->nPage ){
    return SQLITE_CORRUPT_BKPT;
  }
  if( pMemPage ){
    pPage = pMemPage;
    sqlite3PagerRef(pPage->pDbPage);
  }else{
    pPage = btreePageLookup(pBt, iPage);
  }

................................................................................
  int hdr;        /* Beginning of the header.  0 most pages.  100 page 1 */

  if( *pRC ) return;
  assert( idx>=0 && idx<pPage->nCell );
  assert( CORRUPT_DB || sz==cellSize(pPage, idx) );
  assert( sqlite3PagerIswriteable(pPage->pDbPage) );
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  assert( pPage->nFree>=0 );
  data = pPage->aData;
  ptr = &pPage->aCellIdx[2*idx];
  pc = get2byte(ptr);
  hdr = pPage->hdrOffset;
  testcase( pc==get2byte(&data[hdr+5]) );
  testcase( pc+sz==pPage->pBt->usableSize );
  if( pc+sz > pPage->pBt->usableSize ){
................................................................................
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  /* The cell should normally be sized correctly.  However, when moving a
  ** malformed cell from a leaf page to an interior page, if the cell size
  ** wanted to be less than 4 but got rounded up to 4 on the leaf, then size
  ** might be less than 8 (leaf-size + pointer) on the interior node.  Hence
  ** the term after the || in the following assert(). */
  assert( sz==pPage->xCellSize(pPage, pCell) || (sz==8 && iChild>0) );
  assert( pPage->nFree>=0 );
  if( pPage->nOverflow || sz+2>pPage->nFree ){
    if( pTemp ){
      memcpy(pTemp, pCell, sz);
      pCell = pTemp;
    }
    if( iChild ){
      put4byte(pCell, iChild);
................................................................................
    }
    pIns = pPage->aCellIdx + i*2;
    memmove(pIns+2, pIns, 2*(pPage->nCell - i));
    put2byte(pIns, idx);
    pPage->nCell++;
    /* increment the cell count */
    if( (++data[pPage->hdrOffset+4])==0 ) data[pPage->hdrOffset+3]++;
    assert( get2byte(&data[pPage->hdrOffset+3])==pPage->nCell || CORRUPT_DB );
#ifndef SQLITE_OMIT_AUTOVACUUM
    if( pPage->pBt->autoVacuum ){
      /* The cell may contain a pointer to an overflow page. If so, write
      ** the entry for the overflow page into the pointer map.
      */
      ptrmapPutOvflPtr(pPage, pPage, pCell, pRC);
    }
................................................................................
**    ixNx[3] = Number of cells in Child-1 and Child-2 + both divider cells
**    ixNx[4] = Total number of cells.
**
** For a table-btree, the concept is similar, except only apEnd[0]..apEnd[2]
** are used and they point to the leaf pages only, and the ixNx value are:
**
**    ixNx[0] = Number of cells in Child-1.
**    ixNx[1] = Number of cells in Child-1 and Child-2.
**    ixNx[2] = Total number of cells.
**
** Sometimes when deleting, a child page can have zero cells.  In those
** cases, ixNx[] entries with higher indexes, and the corresponding apEnd[]
** entries, shift down.  The end result is that each ixNx[] entry should
** be larger than the previous
*/
typedef struct CellArray CellArray;
struct CellArray {
  int nCell;              /* Number of cells in apCell[] */
  MemPage *pRef;          /* Reference page */
  u8 **apCell;            /* All cells begin balanced */
  u16 *szCell;            /* Local size of all cells in apCell[] */
................................................................................
  }

  /* Add any overflow cells */
  for(i=0; i<pPg->nOverflow; i++){
    int iCell = (iOld + pPg->aiOvfl[i]) - iNew;
    if( iCell>=0 && iCell<nNew ){
      pCellptr = &pPg->aCellIdx[iCell * 2];
      if( nCell>iCell ){
        memmove(&pCellptr[2], pCellptr, (nCell - iCell) * 2);
      }
      nCell++;
      if( pageInsertArray(
            pPg, pBegin, &pData, pCellptr,
            iCell+iNew, 1, pCArray
      ) ) goto editpage_fail;
    }
  }
................................................................................
  MemPage *pNew;                       /* Newly allocated page */
  int rc;                              /* Return Code */
  Pgno pgnoNew;                        /* Page number of pNew */

  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  assert( sqlite3PagerIswriteable(pParent->pDbPage) );
  assert( pPage->nOverflow==1 );
  
  if( pPage->nCell==0 ) return SQLITE_CORRUPT_BKPT;  /* dbfuzz001.test */
  assert( pPage->nFree>=0 );
  assert( pParent->nFree>=0 );

  /* Allocate a new page. This page will become the right-sibling of 
  ** pPage. Make the parent page writable, so that the new divider cell
  ** may be inserted. If both these operations are successful, proceed.
  */
  rc = allocateBtreePage(pBt, &pNew, &pgnoNew, 0, 0);

................................................................................
    /* Reinitialize page pTo so that the contents of the MemPage structure
    ** match the new data. The initialization of pTo can actually fail under
    ** fairly obscure circumstances, even though it is a copy of initialized 
    ** page pFrom.
    */
    pTo->isInit = 0;
    rc = btreeInitPage(pTo);
    if( rc==SQLITE_OK ) rc = btreeComputeFreeSpace(pTo);
    if( rc!=SQLITE_OK ){
      *pRC = rc;
      return;
    }
  
    /* If this is an auto-vacuum database, update the pointer-map entries
    ** for any b-tree or overflow pages that pTo now contains the pointers to.
................................................................................
  */
  assert( pParent->nOverflow==0 || pParent->nOverflow==1 );
  assert( pParent->nOverflow==0 || pParent->aiOvfl[0]==iParentIdx );

  if( !aOvflSpace ){
    return SQLITE_NOMEM_BKPT;
  }
  assert( pParent->nFree>=0 );

  /* Find the sibling pages to balance. Also locate the cells in pParent 
  ** that divide the siblings. An attempt is made to find NN siblings on 
  ** either side of pPage. More siblings are taken from one side, however, 
  ** if there are fewer than NN siblings on the other side. If pParent
  ** has NB or fewer children then all children of pParent are taken.  
  **
................................................................................
  pgno = get4byte(pRight);
  while( 1 ){
    rc = getAndInitPage(pBt, pgno, &apOld[i], 0, 0);
    if( rc ){
      memset(apOld, 0, (i+1)*sizeof(MemPage*));
      goto balance_cleanup;
    }
    if( apOld[i]->nFree<0 ){
      rc = btreeComputeFreeSpace(apOld[i]);
      if( rc ){
        memset(apOld, 0, (i)*sizeof(MemPage*));
        goto balance_cleanup;
      }
    }
    if( (i--)==0 ) break;

    if( pParent->nOverflow && i+nxDiv==pParent->aiOvfl[0] ){
      apDiv[i] = pParent->apOvfl[0];
      pgno = get4byte(apDiv[i]);
      szNew[i] = pParent->xCellSize(pParent, apDiv[i]);
      pParent->nOverflow = 0;
................................................................................
      }
      dropCell(pParent, i+nxDiv-pParent->nOverflow, szNew[i], &rc);
    }
  }

  /* Make nMaxCells a multiple of 4 in order to preserve 8-byte
  ** alignment */
  nMaxCells = nOld*(MX_CELL(pBt) + ArraySize(pParent->apOvfl));
  nMaxCells = (nMaxCells + 3)&~3;

  /*
  ** Allocate space for memory structures
  */
  szScratch =
       nMaxCells*sizeof(u8*)                       /* b.apCell */
     + nMaxCells*sizeof(u16)                       /* b.szCell */
     + pBt->pageSize;                              /* aSpace1 */

  assert( szScratch<=7*(int)pBt->pageSize );
  b.apCell = sqlite3StackAllocRaw(0, szScratch );
  if( b.apCell==0 ){
    rc = SQLITE_NOMEM_BKPT;
    goto balance_cleanup;
  }
  b.szCell = (u16*)&b.apCell[nMaxCells];
  aSpace1 = (u8*)&b.szCell[nMaxCells];
................................................................................
  ** 
  */
  usableSpace = pBt->usableSize - 12 + leafCorrection;
  for(i=k=0; i<nOld; i++, k++){
    MemPage *p = apOld[i];
    b.apEnd[k] = p->aDataEnd;
    b.ixNx[k] = cntOld[i];
    if( k && b.ixNx[k]==b.ixNx[k-1] ){
      k--;  /* Omit b.ixNx[] entry for child pages with no cells */
    }
    if( !leafData ){
      k++;
      b.apEnd[k] = pParent->aDataEnd;
      b.ixNx[k] = cntOld[i]+1;
    }
    assert( p->nFree>=0 );
    szNew[i] = usableSpace - p->nFree;
    for(j=0; j<p->nOverflow; j++){
      szNew[i] += 2 + p->xCellSize(p, p->apOvfl[j]);
    }
    cntNew[i] = cntOld[i];
  }
  k = nOld;
................................................................................
  ** associated with the right-child of each sibling may also need to be 
  ** updated. This happens below, after the sibling pages have been 
  ** populated, not here.
  */
  if( ISAUTOVACUUM ){
    MemPage *pOld;
    MemPage *pNew = pOld = apNew[0];

    int cntOldNext = pNew->nCell + pNew->nOverflow;

    int iNew = 0;
    int iOld = 0;

    for(i=0; i<b.nCell; i++){
      u8 *pCell = b.apCell[i];
      while( i==cntOldNext ){
        iOld++;
        assert( iOld<nNew || iOld<nOld );
        pOld = iOld<nNew ? apNew[iOld] : apOld[iOld];
        cntOldNext += pOld->nCell + pOld->nOverflow + !leafData;

      }
      if( i==cntNew[iNew] ){
        pNew = apNew[++iNew];
        if( !leafData ) continue;
      }

      /* Cell pCell is destined for new sibling page pNew. Originally, it
................................................................................
      ** was either part of sibling page iOld (possibly an overflow cell), 
      ** or else the divider cell to the left of sibling page iOld. So,
      ** if sibling page iOld had the same page number as pNew, and if
      ** pCell really was a part of sibling page iOld (not a divider or
      ** overflow cell), we can skip updating the pointer map entries.  */
      if( iOld>=nNew
       || pNew->pgno!=aPgno[iOld]
       || !SQLITE_WITHIN(pCell,pOld->aData,pOld->aDataEnd)
      ){
        if( !leafCorrection ){
          ptrmapPut(pBt, get4byte(pCell), PTRMAP_BTREE, pNew->pgno, &rc);
        }
        if( cachedCellSize(&b,i)>pNew->minLocal ){
          ptrmapPutOvflPtr(pNew, pOld, pCell, &rc);
        }
................................................................................
    ** by smaller than the child due to the database header, and so all the
    ** free space needs to be up front.
    */
    assert( nNew==1 || CORRUPT_DB );
    rc = defragmentPage(apNew[0], -1);
    testcase( rc!=SQLITE_OK );
    assert( apNew[0]->nFree == 
        (get2byteNotZero(&apNew[0]->aData[5]) - apNew[0]->cellOffset
          - apNew[0]->nCell*2)
      || rc!=SQLITE_OK
    );
    copyNodeContent(apNew[0], pParent, &rc);
    freePage(apNew[0], &rc);
  }else if( ISAUTOVACUUM && !leafCorrection ){
    /* Fix the pointer map entries associated with the right-child of each
    ** sibling page. All other pointer map entries have already been taken
................................................................................
  if( rc ){
    *ppChild = 0;
    releasePage(pChild);
    return rc;
  }
  assert( sqlite3PagerIswriteable(pChild->pDbPage) );
  assert( sqlite3PagerIswriteable(pRoot->pDbPage) );
  assert( pChild->nCell==pRoot->nCell || CORRUPT_DB );

  TRACE(("BALANCE: copy root %d into %d\n", pRoot->pgno, pChild->pgno));

  /* Copy the overflow cells from pRoot to pChild */
  memcpy(pChild->aiOvfl, pRoot->aiOvfl,
         pRoot->nOverflow*sizeof(pRoot->aiOvfl[0]));
  memcpy(pChild->apOvfl, pRoot->apOvfl,
................................................................................
  VVA_ONLY( int balance_quick_called = 0 );
  VVA_ONLY( int balance_deeper_called = 0 );

  do {
    int iPage = pCur->iPage;
    MemPage *pPage = pCur->pPage;

    if( NEVER(pPage->nFree<0) && btreeComputeFreeSpace(pPage) ) break;
    if( iPage==0 ){
      if( pPage->nOverflow ){
        /* The root page of the b-tree is overfull. In this case call the
        ** balance_deeper() function to create a new child for the root-page
        ** and copy the current contents of the root-page to it. The
        ** next iteration of the do-loop will balance the child page.
        */ 
................................................................................
    }else if( pPage->nOverflow==0 && pPage->nFree<=nMin ){
      break;
    }else{
      MemPage * const pParent = pCur->apPage[iPage-1];
      int const iIdx = pCur->aiIdx[iPage-1];

      rc = sqlite3PagerWrite(pParent->pDbPage);
      if( rc==SQLITE_OK && pParent->nFree<0 ){
        rc = btreeComputeFreeSpace(pParent);
      }
      if( rc==SQLITE_OK ){
#ifndef SQLITE_OMIT_QUICKBALANCE
        if( pPage->intKeyLeaf
         && pPage->nOverflow==1
         && pPage->aiOvfl[0]==pPage->nCell
         && pParent->pgno!=1
         && pParent->nCell==iIdx
................................................................................

  }
  assert( pCur->eState==CURSOR_VALID || (pCur->eState==CURSOR_INVALID && loc) );

  pPage = pCur->pPage;
  assert( pPage->intKey || pX->nKey>=0 );
  assert( pPage->leaf || !pPage->intKey );
  if( pPage->nFree<0 ){
    rc = btreeComputeFreeSpace(pPage);
    if( rc ) return rc;
  }

  TRACE(("INSERT: table=%d nkey=%lld ndata=%d page=%d %s\n",
          pCur->pgnoRoot, pX->nKey, pX->nData, pPage->pgno,
          loc==0 ? "overwrite" : "new entry"));
  assert( pPage->isInit );
  newCell = pBt->pTmpSpace;
  assert( newCell!=0 );
................................................................................

  assert( cursorOwnsBtShared(pCur) );
  assert( pBt->inTransaction==TRANS_WRITE );
  assert( (pBt->btsFlags & BTS_READ_ONLY)==0 );
  assert( pCur->curFlags & BTCF_WriteFlag );
  assert( hasSharedCacheTableLock(p, pCur->pgnoRoot, pCur->pKeyInfo!=0, 2) );
  assert( !hasReadConflicts(p, pCur->pgnoRoot) );
  assert( (flags & ~(BTREE_SAVEPOSITION | BTREE_AUXDELETE))==0 );
  if( pCur->eState==CURSOR_REQUIRESEEK ){
    rc = btreeRestoreCursorPosition(pCur);
    if( rc ) return rc;
  }
  assert( pCur->eState==CURSOR_VALID );


  iCellDepth = pCur->iPage;
  iCellIdx = pCur->ix;
  pPage = pCur->pPage;
  pCell = findCell(pPage, iCellIdx);
  if( pPage->nFree<0 && btreeComputeFreeSpace(pPage) ) return SQLITE_CORRUPT;

  /* If the bPreserve flag is set to true, then the cursor position must
  ** be preserved following this delete operation. If the current delete
  ** will cause a b-tree rebalance, then this is done by saving the cursor
  ** key and leaving the cursor in CURSOR_REQUIRESEEK state before 
  ** returning. 
  **
................................................................................
  ** node to replace the deleted cell.  */
  if( !pPage->leaf ){
    MemPage *pLeaf = pCur->pPage;
    int nCell;
    Pgno n;
    unsigned char *pTmp;

    if( pLeaf->nFree<0 ){
      rc = btreeComputeFreeSpace(pLeaf);
      if( rc ) return rc;
    }
    if( iCellDepth<pCur->iPage-1 ){
      n = pCur->apPage[iCellDepth+1]->pgno;
    }else{
      n = pCur->pPage->pgno;
    }
    pCell = findCell(pLeaf, pLeaf->nCell-1);
    if( pCell<&pLeaf->aData[4] ) return SQLITE_CORRUPT_BKPT;
................................................................................
  int rc;
  MemPage *pPage = 0;
  BtShared *pBt = p->pBt;

  assert( sqlite3BtreeHoldsMutex(p) );
  assert( p->inTrans==TRANS_WRITE );
  assert( iTable>=2 );
  if( iTable>btreePagecount(pBt) ){
    return SQLITE_CORRUPT_BKPT;
  }

  rc = btreeGetPage(pBt, (Pgno)iTable, &pPage, 0);
  if( rc ) return rc;
  rc = sqlite3BtreeClearTable(p, iTable, 0);
  if( rc ){
    releasePage(pPage);
    return rc;
................................................................................
** Check the integrity of the freelist or of an overflow page list.
** Verify that the number of pages on the list is N.
*/
static void checkList(
  IntegrityCk *pCheck,  /* Integrity checking context */
  int isFreeList,       /* True for a freelist.  False for overflow page list */
  int iPage,            /* Page number for first page in the list */
  u32 N                 /* Expected number of pages in the list */
){
  int i;
  u32 expected = N;
  int nErrAtStart = pCheck->nErr;
  while( iPage!=0 && pCheck->mxErr ){
    DbPage *pOvflPage;
    unsigned char *pOvflData;
    if( checkRef(pCheck, iPage) ) break;
    N--;
    if( sqlite3PagerGet(pCheck->pPager, (Pgno)iPage, &pOvflPage, 0) ){
................................................................................
  pPage->isInit = 0;
  if( (rc = btreeInitPage(pPage))!=0 ){
    assert( rc==SQLITE_CORRUPT );  /* The only possible error from InitPage */
    checkAppendMsg(pCheck,
                   "btreeInitPage() returns error code %d", rc);
    goto end_of_check;
  }
  if( (rc = btreeComputeFreeSpace(pPage))!=0 ){
    assert( rc==SQLITE_CORRUPT );
    checkAppendMsg(pCheck, "free space corruption", rc);
    goto end_of_check;
  }
  data = pPage->aData;
  hdr = pPage->hdrOffset;

  /* Set up for cell analysis */
  pCheck->zPfx = "On tree page %d cell %d: ";
  contentOffset = get2byteNotZero(&data[hdr+5]);
  assert( contentOffset<=usableSize );  /* Enforced by btreeInitPage() */
................................................................................
      }
      maxKey = info.nKey;
      keyCanBeEqual = 0;     /* Only the first key on the page may ==maxKey */
    }

    /* Check the content overflow list */
    if( info.nPayload>info.nLocal ){
      u32 nPage;       /* Number of pages on the overflow chain */
      Pgno pgnoOvfl;   /* First page of the overflow chain */
      assert( pc + info.nSize - 4 <= usableSize );
      nPage = (info.nPayload - info.nLocal + usableSize - 5)/(usableSize - 4);
      pgnoOvfl = get4byte(&pCell[info.nSize - 4]);
#ifndef SQLITE_OMIT_AUTOVACUUM
      if( pBt->autoVacuum ){
        checkPtrmap(pCheck, pgnoOvfl, PTRMAP_OVERFLOW1, iPage);
................................................................................
    ** EVIDENCE-OF: R-20690-50594 The second field of the b-tree page header
    ** is the offset of the first freeblock, or zero if there are no
    ** freeblocks on the page. 
    */
    i = get2byte(&data[hdr+1]);
    while( i>0 ){
      int size, j;
      assert( (u32)i<=usableSize-4 ); /* Enforced by btreeComputeFreeSpace() */
      size = get2byte(&data[i+2]);
      assert( (u32)(i+size)<=usableSize ); /* due to btreeComputeFreeSpace() */
      btreeHeapInsert(heap, (((u32)i)<<16)|(i+size-1));
      /* EVIDENCE-OF: R-58208-19414 The first 2 bytes of a freeblock are a
      ** big-endian integer which is the offset in the b-tree page of the next
      ** freeblock in the chain, or zero if the freeblock is the last on the
      ** chain. */
      j = get2byte(&data[i]);
      /* EVIDENCE-OF: R-06866-39125 Freeblocks are always connected in order of
      ** increasing offset. */
      assert( j==0 || j>i+size );     /* Enforced by btreeComputeFreeSpace() */
      assert( (u32)j<=usableSize-4 ); /* Enforced by btreeComputeFreeSpace() */
      i = j;
    }
    /* Analyze the min-heap looking for overlap between cells and/or 
    ** freeblocks, and counting the number of untracked bytes in nFrag.
    ** 
    ** Each min-heap entry is of the form:    (start_address<<16)|end_address.
    ** There is an implied first entry the covers the page header, the cell
................................................................................
      /* This is a pointer type.  There may be a flag to indicate what to
      ** do with the pointer. */
      assert( ((p->flags&MEM_Dyn)!=0 ? 1 : 0) +
              ((p->flags&MEM_Ephem)!=0 ? 1 : 0) +
              ((p->flags&MEM_Static)!=0 ? 1 : 0) <= 1 );

      /* No other bits set */
      assert( (p->flags & ~(MEM_Null|MEM_Term|MEM_Subtype|MEM_FromBind
                           |MEM_Dyn|MEM_Ephem|MEM_Static))==0 );
    }else{
      /* A pure NULL might have other flags, such as MEM_Static, MEM_Dyn,
      ** MEM_Ephem, MEM_Cleared, or MEM_Subtype */
    }
  }else{
    /* The MEM_Cleared bit is only allowed on NULLs */
................................................................................
  assert(rc==SQLITE_OK    || pMem->enc!=desiredEnc);
  assert(rc==SQLITE_NOMEM || pMem->enc==desiredEnc);
  return rc;
#endif
}

/*
** Make sure pMem->z points to a writable allocation of at least n bytes.

**
** If the bPreserve argument is true, then copy of the content of
** pMem->z into the new allocation.  pMem must be either a string or
** blob if bPreserve is true.  If bPreserve is false, any prior content
** in pMem->z is discarded.
*/
SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3VdbeMemGrow(Mem *pMem, int n, int bPreserve){
................................................................................
  /* If the bPreserve flag is set to true, then the memory cell must already
  ** contain a valid string or blob value.  */
  assert( bPreserve==0 || pMem->flags&(MEM_Blob|MEM_Str) );
  testcase( bPreserve && pMem->z==0 );

  assert( pMem->szMalloc==0
       || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) );

  if( pMem->szMalloc>0 && bPreserve && pMem->z==pMem->zMalloc ){
    pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n);
    bPreserve = 0;
  }else{
    if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc);
    pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n);
  }
................................................................................
** If the given Mem* has a zero-filled tail, turn it into an ordinary
** blob stored in dynamically allocated space.
*/
#ifndef SQLITE_OMIT_INCRBLOB
SQLITE_PRIVATE int sqlite3VdbeMemExpandBlob(Mem *pMem){
  int nByte;
  assert( pMem->flags & MEM_Zero );
  assert( (pMem->flags&MEM_Blob)!=0 || MemNullNochng(pMem) );
  testcase( sqlite3_value_nochange(pMem) );
  assert( !sqlite3VdbeMemIsRowSet(pMem) );
  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );

  /* Set nByte to the number of bytes required to store the expanded blob. */
  nByte = pMem->n + pMem->u.nZero;
  if( nByte<=0 ){
    if( (pMem->flags & MEM_Blob)==0 ) return SQLITE_OK;
    nByte = 1;
  }
  if( sqlite3VdbeMemGrow(pMem, nByte, 1) ){
    return SQLITE_NOMEM_BKPT;
  }

  memset(&pMem->z[pMem->n], 0, pMem->u.nZero);
................................................................................
    iLimit = SQLITE_MAX_LENGTH;
  }
  flags = (enc==0?MEM_Blob:MEM_Str);
  if( nByte<0 ){
    assert( enc!=0 );
    if( enc==SQLITE_UTF8 ){
      nByte = 0x7fffffff & (int)strlen(z);

    }else{
      for(nByte=0; nByte<=iLimit && (z[nByte] | z[nByte+1]); nByte+=2){}
    }
    flags |= MEM_Term;
  }

  /* The following block sets the new values of Mem.z and Mem.xDel. It
  ** also sets a flag in local variable "flags" to indicate the memory
  ** management (one of MEM_Dyn or MEM_Static).
  */
  if( xDel==SQLITE_TRANSIENT ){
    u32 nAlloc = nByte;
    if( flags&MEM_Term ){
      nAlloc += (enc==SQLITE_UTF8?1:2);
    }
    if( nByte>iLimit ){
      return sqlite3ErrorToParser(pMem->db, SQLITE_TOOBIG);
    }
    testcase( nAlloc==0 );
    testcase( nAlloc==31 );
    testcase( nAlloc==32 );
    if( sqlite3VdbeMemClearAndResize(pMem, (int)MAX(nAlloc,32)) ){
      return SQLITE_NOMEM_BKPT;
    }
    memcpy(pMem->z, z, nAlloc);




  }else{
    sqlite3VdbeMemRelease(pMem);
    pMem->z = (char *)z;
    if( xDel==SQLITE_DYNAMIC ){
      pMem->zMalloc = pMem->z;
      pMem->szMalloc = sqlite3DbMallocSize(pMem->db, pMem->zMalloc);
    }else{
      pMem->xDel = xDel;
      flags |= ((xDel==SQLITE_STATIC)?MEM_Static:MEM_Dyn);
    }
  }

  pMem->n = nByte;
  pMem->flags = flags;
  pMem->enc = (enc==0 ? SQLITE_UTF8 : enc);

#ifndef SQLITE_OMIT_UTF16
................................................................................
  ** more frequent reallocs and hence provide more opportunities for 
  ** simulated OOM faults.  SQLITE_TEST_REALLOC_STRESS is generally used
  ** during testing only.  With SQLITE_TEST_REALLOC_STRESS grow the op array
  ** by the minimum* amount required until the size reaches 512.  Normal
  ** operation (without SQLITE_TEST_REALLOC_STRESS) is to double the current
  ** size of the op array or add 1KB of space, whichever is smaller. */
#ifdef SQLITE_TEST_REALLOC_STRESS
  sqlite3_int64 nNew = (v->nOpAlloc>=512 ? 2*(sqlite3_int64)v->nOpAlloc
                        : (sqlite3_int64)v->nOpAlloc+nOp);
#else
  sqlite3_int64 nNew = (v->nOpAlloc ? 2*(sqlite3_int64)v->nOpAlloc
                        : (sqlite3_int64)(1024/sizeof(Op)));
  UNUSED_PARAMETER(nOp);
#endif

  /* Ensure that the size of a VDBE does not grow too large */
  if( nNew > p->db->aLimit[SQLITE_LIMIT_VDBE_OP] ){
    sqlite3OomFault(p->db);
    return SQLITE_NOMEM;
................................................................................
  memset(&sIter, 0, sizeof(sIter));
  sIter.v = v;

  while( (pOp = opIterNext(&sIter))!=0 ){
    int opcode = pOp->opcode;
    if( opcode==OP_Destroy || opcode==OP_VUpdate || opcode==OP_VRename 
     || opcode==OP_VDestroy
     || (opcode==OP_Function0 && pOp->p4.pFunc->funcFlags&SQLITE_FUNC_INTERNAL)
     || ((opcode==OP_Halt || opcode==OP_HaltIfNull) 
      && ((pOp->p1)!=SQLITE_OK && pOp->p2==OE_Abort))
    ){
      hasAbort = 1;
      break;
    }
    if( opcode==OP_CreateBtree && pOp->p3==BTREE_INTKEY ) hasCreateTable = 1;
................................................................................
  Vdbe *p,                        /* VM to add scanstatus() to */
  int addrExplain,                /* Address of OP_Explain (or 0) */
  int addrLoop,                   /* Address of loop counter */ 
  int addrVisit,                  /* Address of rows visited counter */
  LogEst nEst,                    /* Estimated number of output rows */
  const char *zName               /* Name of table or index being scanned */
){
  sqlite3_int64 nByte = (p->nScan+1) * sizeof(ScanStatus);
  ScanStatus *aNew;
  aNew = (ScanStatus*)sqlite3DbRealloc(p->db, p->aScan, nByte);
  if( aNew ){
    ScanStatus *pNew = &aNew[p->nScan++];
    pNew->addrExplain = addrExplain;
    pNew->addrLoop = addrLoop;
    pNew->addrVisit = addrVisit;
................................................................................
#endif /* !SQLITE_OMIT_TRACE && SQLITE_ENABLE_IOTRACE */

/* An instance of this object describes bulk memory available for use
** by subcomponents of a prepared statement.  Space is allocated out
** of a ReusableSpace object by the allocSpace() routine below.
*/
struct ReusableSpace {
  u8 *pSpace;            /* Available memory */
  sqlite3_int64 nFree;   /* Bytes of available memory */
  sqlite3_int64 nNeeded; /* Total bytes that could not be allocated */
};

/* Try to allocate nByte bytes of 8-byte aligned bulk memory for pBuf
** from the ReusableSpace object.  Return a pointer to the allocated
** memory on success.  If insufficient memory is available in the
** ReusableSpace object, increase the ReusableSpace.nNeeded
** value by the amount needed and return NULL.
................................................................................
** This allocator is employed to repurpose unused slots at the end of the
** opcode array of prepared state for other memory needs of the prepared
** statement.
*/
static void *allocSpace(
  struct ReusableSpace *p,  /* Bulk memory available for allocation */
  void *pBuf,               /* Pointer to a prior allocation */
  sqlite3_int64 nByte       /* Bytes of memory needed */
){
  assert( EIGHT_BYTE_ALIGNMENT(p->pSpace) );
  if( pBuf==0 ){
    nByte = ROUND8(nByte);
    if( nByte <= p->nFree ){
      p->nFree -= nByte;
      pBuf = &p->pSpace[p->nFree];
................................................................................
  sqlite3_int64 iElapse;
  assert( p->startTime>0 );
  assert( (db->mTrace & (SQLITE_TRACE_PROFILE|SQLITE_TRACE_XPROFILE))!=0 );
  assert( db->init.busy==0 );
  assert( p->zSql!=0 );
  sqlite3OsCurrentTimeInt64(db->pVfs, &iNow);
  iElapse = (iNow - p->startTime)*1000000;
#ifndef SQLITE_OMIT_DEPRECATED
  if( db->xProfile ){
    db->xProfile(db->pProfileArg, p->zSql, iElapse);
  }
#endif
  if( db->mTrace & SQLITE_TRACE_PROFILE ){
    db->xTrace(SQLITE_TRACE_PROFILE, db->pTraceArg, p, (void*)&iElapse);
  }
................................................................................
  return aType[pVal->flags&MEM_AffMask];
}

/* Return true if a parameter to xUpdate represents an unchanged column */
SQLITE_API int sqlite3_value_nochange(sqlite3_value *pVal){
  return (pVal->flags&(MEM_Null|MEM_Zero))==(MEM_Null|MEM_Zero);
}

/* Return true if a parameter value originated from an sqlite3_bind() */
SQLITE_API int sqlite3_value_frombind(sqlite3_value *pVal){
  return (pVal->flags&MEM_FromBind)!=0;
}

/* Make a copy of an sqlite3_value object
*/
SQLITE_API sqlite3_value *sqlite3_value_dup(const sqlite3_value *pOrig){
  sqlite3_value *pNew;
  if( pOrig==0 ) return 0;
  pNew = sqlite3_malloc( sizeof(*pNew) );
................................................................................
**    3      The name of the table that the column derives from
**    4      The name of the table column that the result column derives from
**
** If the result is not a simple column reference (if it is an expression
** or a constant) then useTypes 2, 3, and 4 return NULL.
*/
static const void *columnName(
  sqlite3_stmt *pStmt,     /* The statement */
  int N,                   /* Which column to get the name for */
  int useUtf16,            /* True to return the name as UTF16 */
  int useType              /* What type of name */
){
  const void *ret;
  Vdbe *p;
  int n;
  sqlite3 *db;
#ifdef SQLITE_ENABLE_API_ARMOR
  if( pStmt==0 ){
................................................................................
  db = p->db;
  assert( db!=0 );
  n = sqlite3_column_count(pStmt);
  if( N<n && N>=0 ){
    N += useType*n;
    sqlite3_mutex_enter(db->mutex);
    assert( db->mallocFailed==0 );
#ifndef SQLITE_OMIT_UTF16
    if( useUtf16 ){
      ret = sqlite3_value_text16((sqlite3_value*)&p->aColName[N]);
    }else
#endif
    {
      ret = sqlite3_value_text((sqlite3_value*)&p->aColName[N]);
    }
    /* A malloc may have failed inside of the _text() call. If this
    ** is the case, clear the mallocFailed flag and return NULL.
    */
    if( db->mallocFailed ){
      sqlite3OomClear(db);
      ret = 0;
    }
    sqlite3_mutex_leave(db->mutex);
................................................................................
}

/*
** Return the name of the Nth column of the result set returned by SQL
** statement pStmt.
*/
SQLITE_API const char *sqlite3_column_name(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 0, COLNAME_NAME);

}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_name16(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 1, COLNAME_NAME);

}
#endif

/*
** Constraint:  If you have ENABLE_COLUMN_METADATA then you must
** not define OMIT_DECLTYPE.
*/
................................................................................

#ifndef SQLITE_OMIT_DECLTYPE
/*
** Return the column declaration type (if applicable) of the 'i'th column
** of the result set of SQL statement pStmt.
*/
SQLITE_API const char *sqlite3_column_decltype(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 0, COLNAME_DECLTYPE);

}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_decltype16(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 1, COLNAME_DECLTYPE);

}
#endif /* SQLITE_OMIT_UTF16 */
#endif /* SQLITE_OMIT_DECLTYPE */

#ifdef SQLITE_ENABLE_COLUMN_METADATA
/*
** Return the name of the database from which a result column derives.
** NULL is returned if the result column is an expression or constant or
** anything else which is not an unambiguous reference to a database column.
*/
SQLITE_API const char *sqlite3_column_database_name(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 0, COLNAME_DATABASE);

}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_database_name16(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 1, COLNAME_DATABASE);

}
#endif /* SQLITE_OMIT_UTF16 */

/*
** Return the name of the table from which a result column derives.
** NULL is returned if the result column is an expression or constant or
** anything else which is not an unambiguous reference to a database column.
*/
SQLITE_API const char *sqlite3_column_table_name(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 0, COLNAME_TABLE);

}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_table_name16(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 1, COLNAME_TABLE);

}
#endif /* SQLITE_OMIT_UTF16 */

/*
** Return the name of the table column from which a result column derives.
** NULL is returned if the result column is an expression or constant or
** anything else which is not an unambiguous reference to a database column.
*/
SQLITE_API const char *sqlite3_column_origin_name(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 0, COLNAME_COLUMN);

}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API const void *sqlite3_column_origin_name16(sqlite3_stmt *pStmt, int N){
  return columnName(pStmt, N, 1, COLNAME_COLUMN);

}
#endif /* SQLITE_OMIT_UTF16 */
#endif /* SQLITE_ENABLE_COLUMN_METADATA */


/******************************* sqlite3_bind_  ***************************
** 
................................................................................
/*
** Return true if the prepared statement is guaranteed to not modify the
** database.
*/
SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt){
  return pStmt ? ((Vdbe*)pStmt)->readOnly : 1;
}

/*
** Return 1 if the statement is an EXPLAIN and return 2 if the
** statement is an EXPLAIN QUERY PLAN
*/
SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt){
  return pStmt ? ((Vdbe*)pStmt)->explain : 0;
}

/*
** Return true if the prepared statement is in need of being reset.
*/
SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt *pStmt){
  Vdbe *v = (Vdbe*)pStmt;
  return v!=0 && v->magic==VDBE_MAGIC_RUN && v->pc>=0;
................................................................................
#endif

/*
** Invoke the VDBE coverage callback, if that callback is defined.  This
** feature is used for test suite validation only and does not appear an
** production builds.
**
** M is the type of branch.  I is the direction taken for this instance of
** the branch.
**
**   M: 2 - two-way branch (I=0: fall-thru   1: jump                )
**      3 - two-way + NULL (I=0: fall-thru   1: jump      2: NULL   )
**      4 - OP_Jump        (I=0: jump p1     1: jump p2   2: jump p3)
**
** In other words, if M is 2, then I is either 0 (for fall-through) or
** 1 (for when the branch is taken).  If M is 3, the I is 0 for an
** ordinary fall-through, I is 1 if the branch was taken, and I is 2 
** if the result of comparison is NULL.  For M=3, I=2 the jump may or
** may not be taken, depending on the SQLITE_JUMPIFNULL flags in p5.
** When M is 4, that means that an OP_Jump is being run.  I is 0, 1, or 2
** depending on if the operands are less than, equal, or greater than.
**
** iSrcLine is the source code line (from the __LINE__ macro) that
** generated the VDBE instruction combined with flag bits.  The source
** code line number is in the lower 24 bits of iSrcLine and the upper
** 8 bytes are flags.  The lower three bits of the flags indicate
** values for I that should never occur.  For example, if the branch is
** always taken, the flags should be 0x05 since the fall-through and
** alternate branch are never taken.  If a branch is never taken then
** flags should be 0x06 since only the fall-through approach is allowed.
**
** Bit 0x08 of the flags indicates an OP_Jump opcode that is only
** interested in equal or not-equal.  In other words, I==0 and I==2
** should be treated as equivalent
**
** Since only a line number is retained, not the filename, this macro
** only works for amalgamation builds.  But that is ok, since these macros
** should be no-ops except for special builds used to measure test coverage.
*/
#if !defined(SQLITE_VDBE_COVERAGE)
# define VdbeBranchTaken(I,M)
................................................................................
    /* The upper 8 bits of iSrcLine are flags.  The lower three bits of
    ** the flags indicate directions that the branch can never go.  If
    ** a branch really does go in one of those directions, assert right
    ** away. */
    mNever = iSrcLine >> 24;
    assert( (I & mNever)==0 );
    if( sqlite3GlobalConfig.xVdbeBranch==0 ) return;  /*NO_TEST*/
    /* Invoke the branch coverage callback with three arguments:
    **    iSrcLine - the line number of the VdbeCoverage() macro, with
    **               flags removed.
    **    I        - Mask of bits 0x07 indicating which cases are are
    **               fulfilled by this instance of the jump.  0x01 means
    **               fall-thru, 0x02 means taken, 0x04 means NULL.  Any
    **               impossible cases (ex: if the comparison is never NULL)
    **               are filled in automatically so that the coverage
    **               measurement logic does not flag those impossible cases
    **               as missed coverage.
    **    M        - Type of jump.  Same as M argument above
    */
    I |= mNever;
    if( M==2 ) I |= 0x04;
    if( M==4 ){
      I |= 0x08;
      if( (mNever&0x08)!=0 && (I&0x05)!=0) I |= 0x05; /*NO_TEST*/
    }
    sqlite3GlobalConfig.xVdbeBranch(sqlite3GlobalConfig.pVdbeBranchArg,
................................................................................
#ifdef VDBE_PROFILE
  u64 start;                 /* CPU clock count at start of opcode */
#endif
  /*** INSERT STACK UNION HERE ***/

  assert( p->magic==VDBE_MAGIC_RUN );  /* sqlite3_step() verifies this */
  sqlite3VdbeEnter(p);
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  if( db->xProgress ){
    u32 iPrior = p->aCounter[SQLITE_STMTSTATUS_VM_STEP];
    assert( 0 < db->nProgressOps );
    nProgressLimit = db->nProgressOps - (iPrior % db->nProgressOps);
  }else{
    nProgressLimit = 0xffffffff;
  }
#endif
  if( p->rc==SQLITE_NOMEM ){
    /* This happens if a malloc() inside a call to sqlite3_column_text() or
    ** sqlite3_column_text16() failed.  */
    goto no_mem;
  }
  assert( p->rc==SQLITE_OK || (p->rc&0xff)==SQLITE_BUSY );
  assert( p->bIsReader || p->readOnly!=0 );
  p->iCurrentTime = 0;
  assert( p->explain==0 );
  p->pResultSet = 0;
  db->busyHandler.nBusy = 0;
  if( db->u1.isInterrupted ) goto abort_due_to_interrupt;
  sqlite3VdbeIOTraceSql(p);









#ifdef SQLITE_DEBUG
  sqlite3BeginBenignMalloc();
  if( p->pc==0
   && (p->db->flags & (SQLITE_VdbeListing|SQLITE_VdbeEQP|SQLITE_VdbeTrace))!=0
  ){
    int i;
    int once = 1;
................................................................................
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  /* Call the progress callback if it is configured and the required number
  ** of VDBE ops have been executed (either since this invocation of
  ** sqlite3VdbeExec() or since last time the progress callback was called).
  ** If the progress callback returns non-zero, exit the virtual machine with
  ** a return code SQLITE_ABORT.
  */
  while( nVmStep>=nProgressLimit && db->xProgress!=0 ){
    assert( db->nProgressOps!=0 );
    nProgressLimit += db->nProgressOps;
    if( db->xProgress(db->pProgressArg) ){
      nProgressLimit = 0xffffffff;
      rc = SQLITE_INTERRUPT;
      goto abort_due_to_error;
    }
  }
#endif
  
  break;
................................................................................
  pOp->opcode = OP_String;
  pOp->p1 = sqlite3Strlen30(pOp->p4.z);

#ifndef SQLITE_OMIT_UTF16
  if( encoding!=SQLITE_UTF8 ){
    rc = sqlite3VdbeMemSetStr(pOut, pOp->p4.z, -1, SQLITE_UTF8, SQLITE_STATIC);
    assert( rc==SQLITE_OK || rc==SQLITE_TOOBIG );
    if( rc ) goto too_big;
    if( SQLITE_OK!=sqlite3VdbeChangeEncoding(pOut, encoding) ) goto no_mem;
    assert( pOut->szMalloc>0 && pOut->zMalloc==pOut->z );
    assert( VdbeMemDynamic(pOut)==0 );
    pOut->szMalloc = 0;
    pOut->flags |= MEM_Static;
    if( pOp->p4type==P4_DYNAMIC ){
      sqlite3DbFree(db, pOp->p4.z);
    }
    pOp->p4type = P4_DYNAMIC;
    pOp->p4.z = pOut->z;
    pOp->p1 = pOut->n;
  }

#endif
  if( pOp->p1>db->aLimit[SQLITE_LIMIT_LENGTH] ){
    goto too_big;
  }
  assert( rc==SQLITE_OK );
  /* Fall through to the next case, OP_String */
}
................................................................................
  assert( pOp->p1>0 && pOp->p1<=p->nVar );
  assert( pOp->p4.z==0 || pOp->p4.z==sqlite3VListNumToName(p->pVList,pOp->p1) );
  pVar = &p->aVar[pOp->p1 - 1];
  if( sqlite3VdbeMemTooBig(pVar) ){
    goto too_big;
  }
  pOut = &aMem[pOp->p2];
  if( VdbeMemDynamic(pOut) ) sqlite3VdbeMemSetNull(pOut);
  memcpy(pOut, pVar, MEMCELLSIZE);
  pOut->flags &= ~(MEM_Dyn|MEM_Ephem);
  pOut->flags |= MEM_Static|MEM_FromBind;
  UPDATE_MAX_BLOBSIZE(pOut);
  break;
}

/* Opcode: Move P1 P2 P3 * *
** Synopsis: r[P2@P3]=r[P1@P3]
**
................................................................................
case OP_ResultRow: {
  Mem *pMem;
  int i;
  assert( p->nResColumn==pOp->p2 );
  assert( pOp->p1>0 );
  assert( pOp->p1+pOp->p2<=(p->nMem+1 - p->nCursor)+1 );













  /* If this statement has violated immediate foreign key constraints, do
  ** not return the number of rows modified. And do not RELEASE the statement
  ** transaction. It needs to be rolled back.  */
  if( SQLITE_OK!=(rc = sqlite3VdbeCheckFk(p, 0)) ){
    assert( db->flags&SQLITE_CountRows );
    assert( p->usesStmtJournal );
    goto abort_due_to_error;
................................................................................
** without data loss, then jump immediately to P2, or if P2==0
** raise an SQLITE_MISMATCH exception.
*/
case OP_MustBeInt: {            /* jump, in1 */
  pIn1 = &aMem[pOp->p1];
  if( (pIn1->flags & MEM_Int)==0 ){
    applyAffinity(pIn1, SQLITE_AFF_NUMERIC, encoding);

    if( (pIn1->flags & MEM_Int)==0 ){
      VdbeBranchTaken(1, 2);
      if( pOp->p2==0 ){
        rc = SQLITE_MISMATCH;
        goto abort_due_to_error;
      }else{
        goto jump_to_p2;
      }
    }
  }
  VdbeBranchTaken(0, 2);
  MemSetTypeFlag(pIn1, MEM_Int);
  break;
}

#ifndef SQLITE_OMIT_FLOATING_POINT
/* Opcode: RealAffinity P1 * * * *
**
................................................................................
  if( (flags1 | flags3)&MEM_Null ){
    /* One or both operands are NULL */
    if( pOp->p5 & SQLITE_NULLEQ ){
      /* If SQLITE_NULLEQ is set (which will only happen if the operator is
      ** OP_Eq or OP_Ne) then take the jump or not depending on whether
      ** or not both operands are null.
      */

      assert( (flags1 & MEM_Cleared)==0 );
      assert( (pOp->p5 & SQLITE_JUMPIFNULL)==0 || CORRUPT_DB );
      testcase( (pOp->p5 & SQLITE_JUMPIFNULL)!=0 );
      if( (flags1&flags3&MEM_Null)!=0
       && (flags3&MEM_Cleared)==0
      ){
        res = 0;  /* Operands are equal */
      }else{
        res = ((flags3 & MEM_Null) ? -1 : +1);  /* Operands are not equal */
      }
    }else{
      /* SQLITE_NULLEQ is clear and at least one operand is NULL,
      ** then the result is always NULL.
      ** The jump is taken if the SQLITE_JUMPIFNULL bit is set.
      */
      if( pOp->p5 & SQLITE_STOREP2 ){
................................................................................
      if( (pOp->opcode==OP_Eq)==res2 ) break;
    }
    memAboutToChange(p, pOut);
    MemSetTypeFlag(pOut, MEM_Int);
    pOut->u.i = res2;
    REGISTER_TRACE(pOp->p2, pOut);
  }else{
    VdbeBranchTaken(res2!=0, (pOp->p5 & SQLITE_NULLEQ)?2:3);
    if( res2 ){
      goto jump_to_p2;
    }
  }
  break;
}

................................................................................
    op_column_read_header:
      i = pC->nHdrParsed;
      offset64 = aOffset[i];
      zHdr = zData + pC->iHdrOffset;
      zEndHdr = zData + aOffset[0];
      testcase( zHdr>=zEndHdr );
      do{
        if( (pC->aType[i] = t = zHdr[0])<0x80 ){
          zHdr++;
          offset64 += sqlite3VdbeOneByteSerialTypeLen(t);
        }else{
          zHdr += sqlite3GetVarint32(zHdr, &t);
          pC->aType[i] = t;
          offset64 += sqlite3VdbeSerialTypeLen(t);
        }

        aOffset[++i] = (u32)(offset64 & 0xffffffff);
      }while( i<=p2 && zHdr<zEndHdr );

      /* The record is corrupt if any of the following are true:
      ** (1) the bytes of the header extend past the declared header size
      ** (2) the entire header was used but not all data was used
      ** (3) the end of the data extends beyond the end of the record.
      */
................................................................................
  pCx = allocateCursor(p, pOp->p1, pOrig->nField, -1, CURTYPE_BTREE);
  if( pCx==0 ) goto no_mem;
  pCx->nullRow = 1;
  pCx->isEphemeral = 1;
  pCx->pKeyInfo = pOrig->pKeyInfo;
  pCx->isTable = pOrig->isTable;
  pCx->pgnoRoot = pOrig->pgnoRoot;
  pCx->isOrdered = pOrig->isOrdered;
  rc = sqlite3BtreeCursor(pOrig->pBtx, pCx->pgnoRoot, BTREE_WRCSR,
                          pCx->pKeyInfo, pCx->uc.pCursor);
  /* The sqlite3BtreeCursor() routine can only fail for the first cursor
  ** opened for a database.  Since there is already an open cursor when this
  ** opcode is run, the sqlite3BtreeCursor() cannot fail */
  assert( rc==SQLITE_OK );
  break;
................................................................................
#ifdef SQLITE_TEST
  sqlite3_sort_count++;
  sqlite3_search_count--;
#endif
  p->aCounter[SQLITE_STMTSTATUS_SORT]++;
  /* Fall through into OP_Rewind */
}
/* Opcode: Rewind P1 P2 * * *
**
** The next use of the Rowid or Column or Next instruction for P1 
** will refer to the first entry in the database table or index.
** If the table or index is empty, jump immediately to P2.
** If the table or index is not empty, fall through to the following 
** instruction.
**




** This opcode leaves the cursor configured to move in forward order,
** from the beginning toward the end.  In other words, the cursor is
** configured to use Next, not Prev.
*/
case OP_Rewind: {        /* jump */
  VdbeCursor *pC;
  BtCursor *pCrsr;
  int res;

  assert( pOp->p1>=0 && pOp->p1<p->nCursor );
  assert( pOp->p5==0 );
  pC = p->apCsr[pOp->p1];
  assert( pC!=0 );
  assert( isSorter(pC)==(pOp->opcode==OP_SorterSort) );
  res = 1;
#ifdef SQLITE_DEBUG
  pC->seekOp = OP_Rewind;
#endif
................................................................................
  if( isSorter(pC) ){
    rc = sqlite3VdbeSorterRewind(pC, &res);
  }else{
    assert( pC->eCurType==CURTYPE_BTREE );
    pCrsr = pC->uc.pCursor;
    assert( pCrsr );
    rc = sqlite3BtreeFirst(pCrsr, &res);



    pC->deferredMoveto = 0;
    pC->cacheStatus = CACHE_STALE;
  }
  if( rc ) goto abort_due_to_error;
  pC->nullRow = (u8)res;
  assert( pOp->p2>0 && pOp->p2<p->nOp );
  VdbeBranchTaken(res!=0,2);
................................................................................
    for(i=0; i<p->nMem; i++){
      aMem[i].pScopyFrom = 0;  /* Prevent false-positive AboutToChange() errs */
      aMem[i].flags |= MEM_Undefined; /* Cause a fault if this reg is reused */
    }
  }
#endif
  pOp = &aOp[-1];
  goto check_for_interrupt;

}

/* Opcode: Param P1 P2 * * *
**
** This opcode is only ever present in sub-programs called via the 
** OP_Program instruction. Copy a value currently stored in a memory 
** cell of the calling (parent) frame to cell P2 in the current frames 
................................................................................
  Mem *pMem;
  assert( pOp->p1>0 && pOp->p1<=(p->nMem+1 - p->nCursor) );
  assert( pOp->p3==0 || pOp->opcode==OP_AggValue );
  pMem = &aMem[pOp->p1];
  assert( (pMem->flags & ~(MEM_Null|MEM_Agg))==0 );
#ifndef SQLITE_OMIT_WINDOWFUNC
  if( pOp->p3 ){
    memAboutToChange(p, &aMem[pOp->p3]);
    rc = sqlite3VdbeMemAggValue(pMem, &aMem[pOp->p3], pOp->p4.pFunc);
    pMem = &aMem[pOp->p3];
  }else
#endif
  {
    rc = sqlite3VdbeMemFinalize(pMem, pOp->p4.pFunc);
  }
................................................................................
    sqlite3ResetOneSchema(db, resetSchemaOnFault-1);
  }

  /* This is the only way out of this procedure.  We have to
  ** release the mutexes on btrees that were acquired at the
  ** top. */
vdbe_return:
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  while( nVmStep>=nProgressLimit && db->xProgress!=0 ){
    nProgressLimit += db->nProgressOps;
    if( db->xProgress(db->pProgressArg) ){
      nProgressLimit = 0xffffffff;
      rc = SQLITE_INTERRUPT;
      goto abort_due_to_error;
    }
  }
#endif
  p->aCounter[SQLITE_STMTSTATUS_VM_STEP] += (int)nVmStep;
  sqlite3VdbeLeave(p);
  assert( rc!=SQLITE_OK || nExtraDelete==0 
       || sqlite3_strlike("DELETE%",p->zSql,0)!=0 
  );
  return rc;

................................................................................
    ** In this case, allocate space at p->aAlloc[] to copy the requested
    ** range into. Then return a copy of pointer p->aAlloc to the caller.  */
    int nRem;                     /* Bytes remaining to copy */

    /* Extend the p->aAlloc[] allocation if required. */
    if( p->nAlloc<nByte ){
      u8 *aNew;
      sqlite3_int64 nNew = MAX(128, 2*(sqlite3_int64)p->nAlloc);
      while( nByte>nNew ) nNew = nNew*2;
      aNew = sqlite3Realloc(p->aAlloc, nNew);
      if( !aNew ) return SQLITE_NOMEM_BKPT;
      p->nAlloc = nNew;
      p->aAlloc = aNew;
    }

................................................................................
  }

  if( pSorter->list.aMemory ){
    int nMin = pSorter->iMemory + nReq;

    if( nMin>pSorter->nMemory ){
      u8 *aNew;
      sqlite3_int64 nNew = 2 * (sqlite3_int64)pSorter->nMemory;
      int iListOff = -1;
      if( pSorter->list.pList ){
        iListOff = (u8*)pSorter->list.pList - pSorter->list.aMemory;

      }
      while( nNew < nMin ) nNew = nNew*2;
      if( nNew > pSorter->mxPmaSize ) nNew = pSorter->mxPmaSize;
      if( nNew < nMin ) nNew = nMin;

      aNew = sqlite3Realloc(pSorter->list.aMemory, nNew);
      if( !aNew ) return SQLITE_NOMEM_BKPT;
      if( iListOff>=0 ){
        pSorter->list.pList = (SorterRecord*)&aNew[iListOff];
      }
      pSorter->list.aMemory = aNew;
      pSorter->nMemory = nNew;
    }

    pNew = (SorterRecord*)&pSorter->list.aMemory[pSorter->iMemory];
    pSorter->iMemory += ROUND8(nReq);
    if( pSorter->list.pList ){
................................................................................
          assert( pExpr->pLeft==0 && pExpr->pRight==0 );
          assert( pExpr->x.pList==0 );
          assert( pExpr->x.pSelect==0 );
          pOrig = pEList->a[j].pExpr;
          if( (pNC->ncFlags&NC_AllowAgg)==0 && ExprHasProperty(pOrig, EP_Agg) ){
            sqlite3ErrorMsg(pParse, "misuse of aliased aggregate %s", zAs);
            return WRC_Abort;
          }
          if( (pNC->ncFlags&NC_AllowWin)==0 && ExprHasProperty(pOrig, EP_Win) ){
            sqlite3ErrorMsg(pParse, "misuse of aliased window function %s",zAs);
            return WRC_Abort;
          }
          if( sqlite3ExprVectorSize(pOrig)!=1 ){
            sqlite3ErrorMsg(pParse, "row value misused");
            return WRC_Abort;
          }
          resolveAlias(pParse, pEList, j, pExpr, "", nSubquery);
          cnt = 1;
................................................................................
      int no_such_func = 0;       /* True if no such function exists */
      int wrong_num_args = 0;     /* True if wrong number of arguments */
      int is_agg = 0;             /* True if is an aggregate function */
      int nId;                    /* Number of characters in function name */
      const char *zId;            /* The function name. */
      FuncDef *pDef;              /* Information about the function */
      u8 enc = ENC(pParse->db);   /* The database encoding */
      int savedAllowFlags = (pNC->ncFlags & (NC_AllowAgg | NC_AllowWin));

      assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
      zId = pExpr->u.zToken;
      nId = sqlite3Strlen30(zId);
      pDef = sqlite3FindFunction(pParse->db, zId, n, enc, 0);
      if( pDef==0 ){
        pDef = sqlite3FindFunction(pParse->db, zId, -2, enc, 0);
................................................................................
          pNC->nErr++;
        }else if( wrong_num_args ){
          sqlite3ErrorMsg(pParse,"wrong number of arguments to function %.*s()",
               nId, zId);
          pNC->nErr++;
        }
        if( is_agg ){
          /* Window functions may not be arguments of aggregate functions.
          ** Or arguments of other window functions. But aggregate functions
          ** may be arguments for window functions.  */
#ifndef SQLITE_OMIT_WINDOWFUNC

          pNC->ncFlags &= ~(NC_AllowWin | (!pExpr->y.pWin ? NC_AllowAgg : 0));
#else
          pNC->ncFlags &= ~NC_AllowAgg;
#endif
        }
      }
      sqlite3WalkExprList(pWalker, pList);
      if( is_agg ){
................................................................................
          sqlite3WalkExpr(pWalker, pExpr->y.pWin->pFilter);
          if( 0==pSel->pWin 
           || 0==sqlite3WindowCompare(pParse, pSel->pWin, pExpr->y.pWin) 
          ){
            pExpr->y.pWin->pNextWin = pSel->pWin;
            pSel->pWin = pExpr->y.pWin;
          }
          pNC->ncFlags |= NC_HasWin;
        }else
#endif /* SQLITE_OMIT_WINDOWFUNC */
        {
          NameContext *pNC2 = pNC;
          pExpr->op = TK_AGG_FUNCTION;
          pExpr->op2 = 0;
          while( pNC2 && !sqlite3FunctionUsesThisSrc(pExpr, pNC2->pSrcList) ){
................................................................................
          assert( pDef!=0 );
          if( pNC2 ){
            assert( SQLITE_FUNC_MINMAX==NC_MinMaxAgg );
            testcase( (pDef->funcFlags & SQLITE_FUNC_MINMAX)!=0 );
            pNC2->ncFlags |= NC_HasAgg | (pDef->funcFlags & SQLITE_FUNC_MINMAX);

          }

        }
        pNC->ncFlags |= savedAllowFlags;
      }
      /* FIX ME:  Compute pExpr->affinity based on the expected return
      ** type of the function 
      */
      return WRC_Prune;
    }
#ifndef SQLITE_OMIT_SUBQUERY
................................................................................
      p->pOrderBy = 0;
    }
  
    /* Recursively resolve names in all subqueries
    */
    for(i=0; i<p->pSrc->nSrc; i++){
      struct SrcList_item *pItem = &p->pSrc->a[i];
      if( pItem->pSelect && (pItem->pSelect->selFlags & SF_Resolved)==0 ){
        NameContext *pNC;         /* Used to iterate name contexts */
        int nRef = 0;             /* Refcount for pOuterNC and outer contexts */
        const char *zSavedContext = pParse->zAuthContext;

        /* Count the total number of references to pOuterNC and all of its
        ** parent contexts. After resolving references to expressions in
        ** pItem->pSelect, check if this value has changed. If so, then
................................................................................
          sqlite3ErrorMsg(pParse, "aggregate functions are not allowed in "
              "the GROUP BY clause");
          return WRC_Abort;
        }
      }
    }

#ifndef SQLITE_OMIT_WINDOWFUNC
    if( IN_RENAME_OBJECT ){
      Window *pWin;
      for(pWin=p->pWinDefn; pWin; pWin=pWin->pNextWin){
        if( sqlite3ResolveExprListNames(&sNC, pWin->pOrderBy)
         || sqlite3ResolveExprListNames(&sNC, pWin->pPartition)
        ){
          return WRC_Abort;
        }
      }
    }
#endif

    /* If this is part of a compound SELECT, check that it has the right
    ** number of expressions in the select list. */
    if( p->pNext && p->pEList->nExpr!=p->pNext->pEList->nExpr ){
      sqlite3SelectWrongNumTermsError(pParse, p->pNext);
      return WRC_Abort;
    }
................................................................................
  NameContext *pNC,       /* Namespace to resolve expressions in. */
  Expr *pExpr             /* The expression to be analyzed. */
){
  u16 savedHasAgg;
  Walker w;

  if( pExpr==0 ) return SQLITE_OK;
  savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin);
  pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin);
  w.pParse = pNC->pParse;
  w.xExprCallback = resolveExprStep;
  w.xSelectCallback = resolveSelectStep;
  w.xSelectCallback2 = 0;
  w.u.pNC = pNC;
#if SQLITE_MAX_EXPR_DEPTH>0
  w.pParse->nHeight += pExpr->nHeight;
................................................................................
    return SQLITE_ERROR;
  }
#endif
  sqlite3WalkExpr(&w, pExpr);
#if SQLITE_MAX_EXPR_DEPTH>0
  w.pParse->nHeight -= pExpr->nHeight;
#endif
  assert( EP_Agg==NC_HasAgg );
  assert( EP_Win==NC_HasWin );
  testcase( pNC->ncFlags & NC_HasAgg );
  testcase( pNC->ncFlags & NC_HasWin );
  ExprSetProperty(pExpr, pNC->ncFlags & (NC_HasAgg|NC_HasWin) );

  pNC->ncFlags |= savedHasAgg;
  return pNC->nErr>0 || w.pParse->nErr>0;
}

/*
** Resolve all names for all expression in an expression list.  This is
** just like sqlite3ResolveExprNames() except that it works for an expression
................................................................................
  if( op==TK_AND && pParse->nErr==0 && !IN_RENAME_OBJECT ){
    /* Take advantage of short-circuit false optimization for AND */
    p = sqlite3ExprAnd(pParse->db, pLeft, pRight);
  }else{
    p = sqlite3DbMallocRawNN(pParse->db, sizeof(Expr));
    if( p ){
      memset(p, 0, sizeof(Expr));
      p->op = op & 0xff;
      p->iAgg = -1;
    }
    sqlite3ExprAttachSubtrees(pParse->db, p, pLeft, pRight);
  }
  if( p ) {
    sqlite3ExprCheckHeight(pParse, p->nHeight);
  }
................................................................................
** argument. If an OOM condition is encountered, NULL is returned
** and the db->mallocFailed flag set.
*/
#ifndef SQLITE_OMIT_CTE
static With *withDup(sqlite3 *db, With *p){
  With *pRet = 0;
  if( p ){
    sqlite3_int64 nByte = sizeof(*p) + sizeof(p->a[0]) * (p->nCte-1);
    pRet = sqlite3DbMallocZero(db, nByte);
    if( pRet ){
      int i;
      pRet->nCte = p->nCte;
      for(i=0; i<p->nCte; i++){
        pRet->a[i].pSelect = sqlite3SelectDup(db, p->a[i].pSelect, 0);
        pRet->a[i].pCols = sqlite3ExprListDup(db, p->a[i].pCols, 0);
................................................................................
    if( pList==0 ){
      goto no_mem;
    }
    pList->nExpr = 0;
  }else if( (pList->nExpr & (pList->nExpr-1))==0 ){
    ExprList *pNew;
    pNew = sqlite3DbRealloc(db, pList, 
         sizeof(*pList)+(2*(sqlite3_int64)pList->nExpr-1)*sizeof(pList->a[0]));
    if( pNew==0 ){
      goto no_mem;
    }
    pList = pNew;
  }
  pItem = &pList->a[pList->nExpr++];
  assert( offsetof(struct ExprList_item,zName)==sizeof(pItem->pExpr) );
................................................................................
** an ordinary JOIN.  The p argument is the WHERE clause.  If the WHERE
** clause requires that some column of the right table of the LEFT JOIN
** be non-NULL, then the LEFT JOIN can be safely converted into an
** ordinary join.
*/
SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){
  Walker w;
  p = sqlite3ExprSkipCollate(p);
  while( p ){
    if( p->op==TK_NOTNULL ){
      p = p->pLeft;
    }else if( p->op==TK_AND ){
      if( sqlite3ExprImpliesNonNullRow(p->pLeft, iTab) ) return 1;
      p = p->pRight;
    }else{
      break;
    }
  }
  w.xExprCallback = impliesNotNullRow;
  w.xSelectCallback = 0;
  w.xSelectCallback2 = 0;
  w.eCode = 0;
  w.u.iCur = iTab;
  sqlite3WalkExpr(&w, p);
  return w.eCode;
................................................................................
    pVTab = sqlite3GetVTable(db, pTab);
    if( pVTab->pVtab->pModule->xRename==0 ){
      pVTab = 0;
    }
  }
#endif

  /* Begin a transaction for database iDb. Then modify the schema cookie
  ** (since the ALTER TABLE modifies the schema). Call sqlite3MayAbort(),
  ** as the scalar functions (e.g. sqlite_rename_table()) invoked by the 
  ** nested SQL may raise an exception.  */

  v = sqlite3GetVdbe(pParse);
  if( v==0 ){
    goto exit_rename_table;
  }
  sqlite3MayAbort(pParse);

  /* figure out how many UTF-8 characters are in zName */
  zTabName = pTab->zName;
  nTabName = sqlite3Utf8CharLen(zTabName, -1);

  /* Rewrite all CREATE TABLE, INDEX, TRIGGER or VIEW statements in
  ** the schema to use the new table name.  */
................................................................................
  ** SQLite tables) that are identified by the name of the virtual table.
  */
#ifndef SQLITE_OMIT_VIRTUALTABLE
  if( pVTab ){
    int i = ++pParse->nMem;
    sqlite3VdbeLoadString(v, i, zName);
    sqlite3VdbeAddOp4(v, OP_VRename, i, 0, 0,(const char*)pVTab, P4_VTAB);

  }
#endif

  renameReloadSchema(pParse, iDb);
  renameTestSchema(pParse, zDb, iDb==1);

exit_rename_table:
................................................................................
    goto exit_rename_column;
  }

  /* Do the rename operation using a recursive UPDATE statement that
  ** uses the sqlite_rename_column() SQL function to compute the new
  ** CREATE statement text for the sqlite_master table.
  */
  sqlite3MayAbort(pParse);
  zNew = sqlite3NameFromToken(db, pNew);
  if( !zNew ) goto exit_rename_column;
  assert( pNew->n>0 );
  bQuote = sqlite3Isquote(pNew->z[0]);
  sqlite3NestedParse(pParse, 
      "UPDATE \"%w\".%s SET "
      "sql = sqlite_rename_column(sql, type, name, %Q, %Q, %d, %Q, %d, %d) "
................................................................................
  ** remove the entry from the db->aDb[] array. i.e. put everything back the
  ** way we found it.
  */
  if( rc==SQLITE_OK ){
    sqlite3BtreeEnterAll(db);
    db->init.iDb = 0;
    db->mDbFlags &= ~(DBFLAG_SchemaKnownOk);
    if( !REOPEN_AS_MEMDB(db) ){
      rc = sqlite3Init(db, &zErrDyn);
    }
    sqlite3BtreeLeaveAll(db);
    assert( zErrDyn==0 || rc!=SQLITE_OK );
  }
#ifdef SQLITE_USER_AUTHENTICATION
  if( rc==SQLITE_OK && !REOPEN_AS_MEMDB(db) ){
    u8 newAuth = 0;
    rc = sqlite3UserAuthCheckLogin(db, zName, &newAuth);
    if( newAuth<db->auth.authLevel ){
      rc = SQLITE_AUTH_USER;
    }
  }
#endif
................................................................................

  if( pParse->nErr ) return;
  assert( pParse->nested<10 );  /* Nesting should only be of limited depth */
  va_start(ap, zFormat);
  zSql = sqlite3VMPrintf(db, zFormat, ap);
  va_end(ap);
  if( zSql==0 ){
    /* This can result either from an OOM or because the formatted string
    ** exceeds SQLITE_LIMIT_LENGTH.  In the latter case, we need to set
    ** an error */
    if( !db->mallocFailed ) pParse->rc = SQLITE_TOOBIG;
    pParse->nErr++;
    return;
  }
  pParse->nested++;
  memcpy(saveBuf, PARSE_TAIL(pParse), PARSE_TAIL_SZ);
  memset(PARSE_TAIL(pParse), 0, PARSE_TAIL_SZ);
  sqlite3RunParser(pParse, zSql, &zErrMsg);
  sqlite3DbFree(db, zErrMsg);
  sqlite3DbFree(db, zSql);
................................................................................
  }
  if( nTerm==1
   && pCol
   && sqlite3StrICmp(sqlite3ColumnType(pCol,""), "INTEGER")==0
   && sortOrder!=SQLITE_SO_DESC
  ){
    if( IN_RENAME_OBJECT && pList ){
      Expr *pCExpr = sqlite3ExprSkipCollate(pList->a[0].pExpr);
      sqlite3RenameTokenRemap(pParse, &pTab->iPKey, pCExpr);
    }
    pTab->iPKey = iCol;
    pTab->keyConf = (u8)onError;
    assert( autoInc==0 || autoInc==1 );
    pTab->tabFlags |= autoInc*TF_Autoincrement;
    if( pList ) pParse->iPkSortOrder = pList->a[0].sortOrder;
  }else if( autoInc ){
................................................................................
    sqlite3CreateIndex(pParse, 0, 0, 0, pList, pTab->keyConf, 0, 0, 0, 0,
                       SQLITE_IDXTYPE_PRIMARYKEY);
    if( db->mallocFailed || pParse->nErr ) return;
    pPk = sqlite3PrimaryKeyIndex(pTab);
    pTab->iPKey = -1;
  }else{
    pPk = sqlite3PrimaryKeyIndex(pTab);
    assert( pPk!=0 );

    /*
    ** Remove all redundant columns from the PRIMARY KEY.  For example, change
    ** "PRIMARY KEY(a,b,a,b,c,b,c,d)" into just "PRIMARY KEY(a,b,c,d)".  Later
    ** code assumes the PRIMARY KEY contains no repeated columns.
    */
    for(i=j=1; i<pPk->nKeyCol; i++){
................................................................................
      sqlite3ErrorMsg(pParse, "");
      return;
    }
    p->tnum = db->init.newTnum;
    if( p->tnum==1 ) p->tabFlags |= TF_Readonly;
  }

  assert( (p->tabFlags & TF_HasPrimaryKey)==0
       || p->iPKey>=0 || sqlite3PrimaryKeyIndex(p)!=0 );
  assert( (p->tabFlags & TF_HasPrimaryKey)!=0
       || (p->iPKey<0 && sqlite3PrimaryKeyIndex(p)==0) );

  /* Special processing for WITHOUT ROWID Tables */
  if( tabOpts & TF_WithoutRowid ){
    if( (p->tabFlags & TF_Autoincrement) ){
      sqlite3ErrorMsg(pParse,
          "AUTOINCREMENT not allowed on WITHOUT ROWID tables");
      return;
    }
................................................................................
  }
  pDb = &db->aDb[iDb];

  assert( pTab!=0 );
  assert( pParse->nErr==0 );
  if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 
       && db->init.busy==0
       && pTblName!=0
#if SQLITE_USER_AUTHENTICATION
       && sqlite3UserAuthTable(pTab->zName)==0
#endif
#ifdef SQLITE_ALLOW_SQLITE_MASTER_INDEX
       && sqlite3StrICmp(&pTab->zName[7],"master")!=0
#endif

 ){
    sqlite3ErrorMsg(pParse, "table %s may not be indexed", pTab->zName);
    goto exit_create_index;
  }
#ifndef SQLITE_OMIT_VIEW
  if( pTab->pSelect ){
    sqlite3ErrorMsg(pParse, "views may not be indexed");
................................................................................
    pList = sqlite3ExprListAppend(pParse, 0,
              sqlite3ExprAlloc(db, TK_ID, &prevCol, 0));
    if( pList==0 ) goto exit_create_index;
    assert( pList->nExpr==1 );
    sqlite3ExprListSetSortOrder(pList, sortOrder);
  }else{
    sqlite3ExprListCheckLength(pParse, pList, "index");
    if( pParse->nErr ) goto exit_create_index;
  }

  /* Figure out how many bytes of space are required to store explicitly
  ** specified collation sequence names.
  */
  for(i=0; i<pList->nExpr; i++){
    Expr *pExpr = pList->a[i].pExpr;
................................................................................
  }

  /* 
  ** Allocate the index structure. 
  */
  nName = sqlite3Strlen30(zName);
  nExtraCol = pPk ? pPk->nKeyCol : 1;
  assert( pList->nExpr + nExtraCol <= 32767 /* Fits in i16 */ );
  pIndex = sqlite3AllocateIndexObject(db, pList->nExpr + nExtraCol,
                                      nName + nExtra + 1, &zExtra);
  if( db->mallocFailed ){
    goto exit_create_index;
  }
  assert( EIGHT_BYTE_ALIGNMENT(pIndex->aiRowLogEst) );
  assert( EIGHT_BYTE_ALIGNMENT(pIndex->azColl) );
................................................................................
  sqlite3 *db,      /* Connection to notify of malloc failures */
  void *pArray,     /* Array of objects.  Might be reallocated */
  int szEntry,      /* Size of each object in the array */
  int *pnEntry,     /* Number of objects currently in use */
  int *pIdx         /* Write the index of a new slot here */
){
  char *z;
  sqlite3_int64 n = *pIdx = *pnEntry;
  if( (n & (n-1))==0 ){
    sqlite3_int64 sz = (n==0) ? 1 : 2*n;
    void *pNew = sqlite3DbRealloc(db, pArray, sz*szEntry);
    if( pNew==0 ){
      *pIdx = -1;
      return pArray;
    }
    pArray = pNew;
  }
  z = (char*)pArray;
  memset(&z[n * szEntry], 0, szEntry);

  ++*pnEntry;
  return pArray;
}

/*
** Append a new element to the given IdList.  Create a new IdList if
** need be.
................................................................................
  assert( nExtra>=1 );
  assert( pSrc!=0 );
  assert( iStart<=pSrc->nSrc );

  /* Allocate additional space if needed */
  if( (u32)pSrc->nSrc+nExtra>pSrc->nAlloc ){
    SrcList *pNew;
    sqlite3_int64 nAlloc = 2*(sqlite3_int64)pSrc->nSrc+nExtra;
    sqlite3 *db = pParse->db;

    if( pSrc->nSrc+nExtra>=SQLITE_MAX_SRCLIST ){
      sqlite3ErrorMsg(pParse, "too many FROM clause terms, max: %d",
                      SQLITE_MAX_SRCLIST);
      return 0;
    }
................................................................................
  Index *pIdx       /* The index that triggers the constraint */
){
  char *zErr;
  int j;
  StrAccum errMsg;
  Table *pTab = pIdx->pTable;

  sqlite3StrAccumInit(&errMsg, pParse->db, 0, 0, 
                      pParse->db->aLimit[SQLITE_LIMIT_LENGTH]);
  if( pIdx->aColExpr ){
    sqlite3_str_appendf(&errMsg, "index '%q'", pIdx->zName);
  }else{
    for(j=0; j<pIdx->nKeyCol; j++){
      char *zCol;
      assert( pIdx->aiColumn[j]>=0 );
      zCol = pTab->aCol[pIdx->aiColumn[j]].zName;
................................................................................
      if( sqlite3StrICmp(zName, pWith->a[i].zName)==0 ){
        sqlite3ErrorMsg(pParse, "duplicate WITH table name: %s", zName);
      }
    }
  }

  if( pWith ){
    sqlite3_int64 nByte = sizeof(*pWith) + (sizeof(pWith->a[1]) * pWith->nCte);
    pNew = sqlite3DbRealloc(db, pWith, nByte);
  }else{
    pNew = sqlite3DbMallocZero(db, sizeof(*pWith));
  }
  assert( (pNew!=0 && zName!=0) || db->mallocFailed );

  if( db->mallocFailed ){
................................................................................
** Set the LIKEOPT flag on the 2-argument function with the given name.
*/
static void setLikeOptFlag(sqlite3 *db, const char *zName, u8 flagVal){
  FuncDef *pDef;
  pDef = sqlite3FindFunction(db, zName, 2, SQLITE_UTF8, 0);
  if( ALWAYS(pDef) ){
    pDef->funcFlags |= flagVal;
  }
  pDef = sqlite3FindFunction(db, zName, 3, SQLITE_UTF8, 0);
  if( pDef ){
    pDef->funcFlags |= flagVal;
  }
}

/*
** Register the built-in LIKE and GLOB functions.  The caseSensitive
** parameter determines whether or not the LIKE operator is case
** sensitive.  GLOB is always case sensitive.
................................................................................
        sqlite3VdbeAddOp2(v, iField<0 ? OP_IntCopy : OP_SCopy, x, regIdx+i);
        VdbeComment((v, "%s", iField<0 ? "rowid" : pTab->aCol[iField].zName));
      }
    }
    sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]);
    VdbeComment((v, "for %s", pIdx->zName));
#ifdef SQLITE_ENABLE_NULL_TRIM
    if( pIdx->idxType==SQLITE_IDXTYPE_PRIMARYKEY ){
      sqlite3SetMakeRecordP5(v, pIdx->pTable);
    }
#endif

    /* In an UPDATE operation, if this index is the PRIMARY KEY index 
    ** of a WITHOUT ROWID table and there has been no change the
    ** primary key, then no collision is possible.  The collision detection
    ** logic below can all be skipped. */
    if( isUpdate && pPk==pIdx && pkChng==0 ){
................................................................................
    }
    for(pSrcIdx=pSrc->pIndex; pSrcIdx; pSrcIdx=pSrcIdx->pNext){
      if( xferCompatibleIndex(pDestIdx, pSrcIdx) ) break;
    }
    if( pSrcIdx==0 ){
      return 0;    /* pDestIdx has no corresponding index in pSrc */
    }
    if( pSrcIdx->tnum==pDestIdx->tnum && pSrc->pSchema==pDest->pSchema
         && sqlite3FaultSim(411)==SQLITE_OK ){
      /* The sqlite3FaultSim() call allows this corruption test to be
      ** bypassed during testing, in order to exercise other corruption tests
      ** further downstream. */
      return 0;   /* Corrupt schema - two indexes on the same btree */
    }
  }
#ifndef SQLITE_OMIT_CHECK
  if( pDest->pCheck && sqlite3ExprListCompare(pSrc->pCheck,pDest->pCheck,-1) ){
    return 0;   /* Tables have different CHECK constraints.  Ticket #2252 */
  }
#endif
#ifndef SQLITE_OMIT_FOREIGN_KEY
................................................................................
      addr1 = sqlite3VdbeAddOp2(v, OP_Rowid, iSrc, regRowid);
      sqlite3VdbeVerifyAbortable(v, onError);
      addr2 = sqlite3VdbeAddOp3(v, OP_NotExists, iDest, 0, regRowid);
      VdbeCoverage(v);
      sqlite3RowidConstraint(pParse, onError, pDest);
      sqlite3VdbeJumpHere(v, addr2);
      autoIncStep(pParse, regAutoinc, regRowid);
    }else if( pDest->pIndex==0 && !(db->mDbFlags & DBFLAG_VacuumInto) ){
      addr1 = sqlite3VdbeAddOp2(v, OP_NewRowid, iDest, regRowid);
    }else{
      addr1 = sqlite3VdbeAddOp2(v, OP_Rowid, iSrc, regRowid);
      assert( (pDest->tabFlags & TF_Autoincrement)==0 );
    }
    sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1);
    if( db->mDbFlags & DBFLAG_Vacuum ){
................................................................................
        if( sqlite3_stricmp(sqlite3StrBINARY, zColl) ) break;
      }
      if( i==pSrcIdx->nColumn ){
        idxInsFlags = OPFLAG_USESEEKRESULT;
        sqlite3VdbeAddOp1(v, OP_SeekEnd, iDest);
      }
    }
    if( !HasRowid(pSrc) && pDestIdx->idxType==SQLITE_IDXTYPE_PRIMARYKEY ){
      idxInsFlags |= OPFLAG_NCHANGE;
    }
    sqlite3VdbeAddOp2(v, OP_IdxInsert, iDest, regData);
    sqlite3VdbeChangeP5(v, idxInsFlags|OPFLAG_APPEND);
    sqlite3VdbeAddOp2(v, OP_Next, iSrc, addr1+1); VdbeCoverage(v);
    sqlite3VdbeJumpHere(v, addr1);
    sqlite3VdbeAddOp2(v, OP_Close, iSrc, 0);
................................................................................
                            void (*xStep)(sqlite3_context*,int,sqlite3_value**),
                            void (*xFinal)(sqlite3_context*),
                            void (*xValue)(sqlite3_context*),
                            void (*xInv)(sqlite3_context*,int,sqlite3_value**),
                            void(*xDestroy)(void*));
  /* Version 3.26.0 and later */
  const char *(*normalized_sql)(sqlite3_stmt*);
  /* Version 3.28.0 and later */
  int (*stmt_isexplain)(sqlite3_stmt*);
  int (*value_frombind)(sqlite3_value*);
};

/*
** This is the function signature used for all extension entry points.  It
** is also defined in the file "loadext.c".
*/
typedef int (*sqlite3_loadext_entry)(
................................................................................
#define sqlite3_str_errcode            sqlite3_api->str_errcode
#define sqlite3_str_length             sqlite3_api->str_length
#define sqlite3_str_value              sqlite3_api->str_value
/* Version 3.25.0 and later */
#define sqlite3_create_window_function sqlite3_api->create_window_function
/* Version 3.26.0 and later */
#define sqlite3_normalized_sql         sqlite3_api->normalized_sql
/* Version 3.28.0 and later */
#define sqlite3_stmt_isexplain         sqlite3_api->isexplain
#define sqlite3_value_frombind         sqlite3_api->frombind
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;
................................................................................
  sqlite3_str_errcode,
  sqlite3_str_length,
  sqlite3_str_value,
  /* Version 3.25.0 and later */
  sqlite3_create_window_function,
  /* Version 3.26.0 and later */
#ifdef SQLITE_ENABLE_NORMALIZE
  sqlite3_normalized_sql,
#else
  0,
#endif
  /* Version 3.28.0 and later */
  sqlite3_stmt_isexplain,
  sqlite3_value_frombind
};

/*
** Attempt to load an SQLite extension library contained in the file
** zFile.  The entry point is zProc.  zProc may be 0 in which case a
** default entry point name (sqlite3_extension_init) is used.  Use
** of the default name is recommended.
................................................................................

/*
** Update the accumulator memory cells for an aggregate based on
** the current cursor position.
**
** If regAcc is non-zero and there are no min() or max() aggregates
** in pAggInfo, then only populate the pAggInfo->nAccumulator accumulator
** registers if register regAcc contains 0. The caller will take care
** of setting and clearing regAcc.
*/
static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){
  Vdbe *v = pParse->pVdbe;
  int i;
  int regHit = 0;
  int addrHitTest = 0;
................................................................................
  sqlite3ExprDelete(pParse->db, pInto);
  return;
}

/*
** This routine implements the OP_Vacuum opcode of the VDBE.
*/
SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum(
  char **pzErrMsg,        /* Write error message here */
  sqlite3 *db,            /* Database connection */
  int iDb,                /* Which attached DB to vacuum */
  sqlite3_value *pOut     /* Write results here, if not NULL. VACUUM INTO */
){
  int rc = SQLITE_OK;     /* Return code from service routines */
  Btree *pMain;           /* The database being vacuumed */
  Btree *pTemp;           /* The temporary database we vacuum into */
  u32 saved_mDbFlags;     /* Saved value of db->mDbFlags */
  u64 saved_flags;        /* Saved value of db->flags */
  int saved_nChange;      /* Saved value of db->nChange */
  int saved_nTotalChange; /* Saved value of db->nTotalChange */
  u32 saved_openFlags;    /* Saved value of db->openFlags */
  u8 saved_mTrace;        /* Saved trace settings */
  Db *pDb = 0;            /* Database to detach at end of vacuum */
  int isMemDb;            /* True if vacuuming a :memory: database */
  int nRes;               /* Bytes of reserved space at the end of each page */
  int nDb;                /* Number of attached databases */
  const char *zDbMain;    /* Schema name of database to vacuum */
  const char *zOut;       /* Name of output file */

  if( !db->autoCommit ){
    sqlite3SetString(pzErrMsg, db, "cannot VACUUM from within a transaction");
    return SQLITE_ERROR; /* IMP: R-12218-18073 */
  }
  if( db->nVdbeActive>1 ){
    sqlite3SetString(pzErrMsg, db,"cannot VACUUM - SQL statements in progress");
    return SQLITE_ERROR; /* IMP: R-15610-35227 */
  }
  saved_openFlags = db->openFlags;
  if( pOut ){
    if( sqlite3_value_type(pOut)!=SQLITE_TEXT ){
      sqlite3SetString(pzErrMsg, db, "non-text filename");
      return SQLITE_ERROR;
    }
    zOut = (const char*)sqlite3_value_text(pOut);
    db->openFlags &= ~SQLITE_OPEN_READONLY;
    db->openFlags |= SQLITE_OPEN_CREATE|SQLITE_OPEN_READWRITE;
  }else{
    zOut = "";
  }

  /* Save the current value of the database flags so that it can be 
  ** restored before returning. Then set the writable-schema flag, and
  ** disable CHECK and foreign key constraints.  */
................................................................................
  ** actually occurs when doing a vacuum since the vacuum_db is initially
  ** empty.  Only the journal header is written.  Apparently it takes more
  ** time to parse and run the PRAGMA to turn journalling off than it does
  ** to write the journal header file.
  */
  nDb = db->nDb;
  rc = execSqlF(db, pzErrMsg, "ATTACH %Q AS vacuum_db", zOut);
  db->openFlags = saved_openFlags;
  if( rc!=SQLITE_OK ) goto end_of_vacuum;
  assert( (db->nDb-1)==nDb );
  pDb = &db->aDb[nDb];
  assert( strcmp(pDb->zDbSName,"vacuum_db")==0 );
  pTemp = pDb->pBt;
  if( pOut ){
    sqlite3_file *id = sqlite3PagerFile(sqlite3BtreePager(pTemp));
    i64 sz = 0;
    if( id->pMethods!=0 && (sqlite3OsFileSize(id, &sz)!=SQLITE_OK || sz>0) ){
      rc = SQLITE_ERROR;
      sqlite3SetString(pzErrMsg, db, "output file already exists");
      goto end_of_vacuum;
    }
    db->mDbFlags |= DBFLAG_VacuumInto;
  }
  nRes = sqlite3BtreeGetOptimalReserve(pMain);

  /* A VACUUM cannot change the pagesize of an encrypted database. */
#ifdef SQLITE_HAS_CODEC
  if( db->nextPagesize ){
    extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*);
................................................................................

/*
** Add a new module argument to pTable->azModuleArg[].
** The string is not copied - the pointer is stored.  The
** string will be freed automatically when the table is
** deleted.
*/
static void addModuleArgument(Parse *pParse, Table *pTable, char *zArg){
  sqlite3_int64 nBytes = sizeof(char *)*(2+pTable->nModuleArg);
  char **azModuleArg;
  sqlite3 *db = pParse->db;
  if( pTable->nModuleArg+3>=db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many columns on %s", pTable->zName);
  }
  azModuleArg = sqlite3DbRealloc(db, pTable->azModuleArg, nBytes);
  if( azModuleArg==0 ){
    sqlite3DbFree(db, zArg);
  }else{
    int i = pTable->nModuleArg++;
    azModuleArg[i] = zArg;
    azModuleArg[i+1] = 0;
................................................................................
  pTable = pParse->pNewTable;
  if( pTable==0 ) return;
  assert( 0==pTable->pIndex );

  db = pParse->db;

  assert( pTable->nModuleArg==0 );
  addModuleArgument(pParse, pTable, sqlite3NameFromToken(db, pModuleName));
  addModuleArgument(pParse, pTable, 0);
  addModuleArgument(pParse, pTable, sqlite3DbStrDup(db, pTable->zName));
  assert( (pParse->sNameToken.z==pName2->z && pName2->z!=0)
       || (pParse->sNameToken.z==pName1->z && pName2->z==0)
  );
  pParse->sNameToken.n = (int)(
      &pModuleName->z[pModuleName->n] - pParse->sNameToken.z
  );

................................................................................
** virtual table currently under construction in pParse->pTable.
*/
static void addArgumentToVtab(Parse *pParse){
  if( pParse->sArg.z && pParse->pNewTable ){
    const char *z = (const char*)pParse->sArg.z;
    int n = pParse->sArg.n;
    sqlite3 *db = pParse->db;
    addModuleArgument(pParse, pParse->pNewTable, sqlite3DbStrNDup(db, z, n));
  }
}

/*
** The parser calls this routine after the CREATE VIRTUAL TABLE statement
** has been completely parsed.
*/
................................................................................
*/
static int growVTrans(sqlite3 *db){
  const int ARRAY_INCR = 5;

  /* Grow the sqlite3.aVTrans array if required */
  if( (db->nVTrans%ARRAY_INCR)==0 ){
    VTable **aVTrans;
    sqlite3_int64 nBytes = sizeof(sqlite3_vtab*)*
                                 ((sqlite3_int64)db->nVTrans + ARRAY_INCR);
    aVTrans = sqlite3DbRealloc(db, (void *)db->aVTrans, nBytes);
    if( !aVTrans ){
      return SQLITE_NOMEM_BKPT;
    }
    memset(&aVTrans[db->nVTrans], 0, sizeof(sqlite3_vtab *)*ARRAY_INCR);
    db->aVTrans = aVTrans;
  }
................................................................................
    return 0;
  }
  pMod->pEpoTab = pTab;
  pTab->nTabRef = 1;
  pTab->pSchema = db->aDb[0].pSchema;
  assert( pTab->nModuleArg==0 );
  pTab->iPKey = -1;
  addModuleArgument(pParse, pTab, sqlite3DbStrDup(db, pTab->zName));
  addModuleArgument(pParse, pTab, 0);
  addModuleArgument(pParse, pTab, sqlite3DbStrDup(db, pTab->zName));
  rc = vtabCallConstructor(db, pTab, pMod, pModule->xConnect, &zErr);
  if( rc ){
    sqlite3ErrorMsg(pParse, "%s", zErr);
    sqlite3DbFree(db, zErr);
    sqlite3VtabEponymousTableClear(db, pMod);
    return 0;
  }
................................................................................
    x.iIdxCol = iIdxCol;
    x.pIdxExpr = aColExpr->a[iIdxCol].pExpr;
    sqlite3WalkExpr(&w, pWInfo->pWhere);
    sqlite3WalkExprList(&w, pWInfo->pOrderBy);
    sqlite3WalkExprList(&w, pWInfo->pResultSet);
  }
}

/*
** The pTruth expression is always true because it is the WHERE clause
** a partial index that is driving a query loop.  Look through all of the
** WHERE clause terms on the query, and if any of those terms must be
** true because pTruth is true, then mark those WHERE clause terms as
** coded.
*/
static void whereApplyPartialIndexConstraints(
  Expr *pTruth,
  int iTabCur,
  WhereClause *pWC
){
  int i;
  WhereTerm *pTerm;
  while( pTruth->op==TK_AND ){
    whereApplyPartialIndexConstraints(pTruth->pLeft, iTabCur, pWC);
    pTruth = pTruth->pRight;
  }
  for(i=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){
    Expr *pExpr;
    if( pTerm->wtFlags & TERM_CODED ) continue;
    pExpr = pTerm->pExpr;
    if( sqlite3ExprCompare(0, pExpr, pTruth, iTabCur)==0 ){
      pTerm->wtFlags |= TERM_CODED;
    }
  }
}

/*
** Generate code for the start of the iLevel-th loop in the WHERE clause
** implementation described by pWInfo.
*/
SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart(
  Parse *pParse,       /* Parsing context */
................................................................................
    ** OR clause, since the transformation will become invalid once we
    ** move forward to the next index.
    ** https://sqlite.org/src/info/4e8e4857d32d401f
    */
    if( pLevel->iLeftJoin==0 && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 ){
      whereIndexExprTrans(pIdx, iCur, iIdxCur, pWInfo);
    }

    /* If a partial index is driving the loop, try to eliminate WHERE clause
    ** terms from the query that must be true due to the WHERE clause of
    ** the partial index
    */
    if( pIdx->pPartIdxWhere ){
      whereApplyPartialIndexConstraints(pIdx->pPartIdxWhere, iCur, pWC);
    }

    /* Record the instruction used to terminate the loop. */
    if( pLoop->wsFlags & WHERE_ONEROW ){
      pLevel->op = OP_Noop;
    }else if( bRev ){
      pLevel->op = OP_Prev;
    }else{
................................................................................
        if( (pWC->a[iTerm].wtFlags & (TERM_VIRTUAL|TERM_CODED))!=0 ) continue;
        if( (pWC->a[iTerm].eOperator & WO_ALL)==0 ) continue;
        testcase( pWC->a[iTerm].wtFlags & TERM_ORINFO );
        pExpr = sqlite3ExprDup(db, pExpr, 0);
        pAndExpr = sqlite3ExprAnd(db, pAndExpr, pExpr);
      }
      if( pAndExpr ){
        /* The extra 0x10000 bit on the opcode is masked off and does not
        ** become part of the new Expr.op.  However, it does make the
        ** op==TK_AND comparison inside of sqlite3PExpr() false, and this
        ** prevents sqlite3PExpr() from implementing AND short-circuit 
        ** optimization, which we do not want here. */
        pAndExpr = sqlite3PExpr(pParse, TK_AND|0x10000, 0, pAndExpr);
      }
    }

    /* Run a separate WHERE clause for each term of the OR clause.  After
    ** eliminating duplicates from other WHERE clauses, the action for each
    ** sub-WHERE clause is to to invoke the main loop body as a subroutine.
    */
................................................................................
        ** that compares BLOBs. */
#ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS
        continue;
#else
        u32 x = pLevel->iLikeRepCntr;
        if( x>0 ){
          skipLikeAddr = sqlite3VdbeAddOp1(v, (x&1)?OP_IfNot:OP_If,(int)(x>>1));
          VdbeCoverageIf(v, (x&1)==1);
          VdbeCoverageIf(v, (x&1)==0);
        }

#endif
      }
#ifdef WHERETRACE_ENABLED /* 0xffff */
      if( sqlite3WhereTrace ){
        VdbeNoopComment((v, "WhereTerm[%d] (%p) priority=%d",
                         pWC->nTerm-j, pTerm, iLoop));
      }
................................................................................
    assert( p->x.pList==0 );
  }else if( ExprHasProperty(p, EP_xIsSelect) ){
    if( ExprHasProperty(p, EP_VarSelect) ) pMaskSet->bVarSelect = 1;
    mask |= exprSelectUsage(pMaskSet, p->x.pSelect);
  }else if( p->x.pList ){
    mask |= sqlite3WhereExprListUsage(pMaskSet, p->x.pList);
  }
#ifndef SQLITE_OMIT_WINDOWFUNC
  if( p->op==TK_FUNCTION && p->y.pWin ){
    mask |= sqlite3WhereExprListUsage(pMaskSet, p->y.pWin->pPartition);
    mask |= sqlite3WhereExprListUsage(pMaskSet, p->y.pWin->pOrderBy);
  }
#endif
  return mask;
}
SQLITE_PRIVATE Bitmask sqlite3WhereExprUsage(WhereMaskSet *pMaskSet, Expr *p){
  return p ? sqlite3WhereExprUsageNN(pMaskSet,p) : 0;
}
SQLITE_PRIVATE Bitmask sqlite3WhereExprListUsage(WhereMaskSet *pMaskSet, ExprList *pList){
  int i;
................................................................................

  /* First call xBestIndex() with all constraints usable. */
  WHERETRACE(0x800, ("BEGIN %s.addVirtual()\n", pSrc->pTab->zName));
  WHERETRACE(0x40, ("  VirtualOne: all usable\n"));
  rc = whereLoopAddVirtualOne(pBuilder, mPrereq, ALLBITS, 0, p, mNoOmit, &bIn);

  /* If the call to xBestIndex() with all terms enabled produced a plan
  ** that does not require any source tables (IOW: a plan with mBest==0)
  ** and does not use an IN(...) operator, then there is no point in making 
  ** any further calls to xBestIndex() since they will all return the same
  ** result (if the xBestIndex() implementation is sane). */
  if( rc==SQLITE_OK && ((mBest = (pNew->prereq & ~mPrereq))!=0 || bIn) ){
    int seenZero = 0;             /* True if a plan with no prereqs seen */
    int seenZeroNoIN = 0;         /* Plan with no prereqs and no IN(...) seen */
    Bitmask mPrev = 0;
    Bitmask mBestNoIn = 0;

    /* If the plan produced by the earlier call uses an IN(...) term, call
    ** xBestIndex again, this time with IN(...) terms disabled. */
................................................................................
      p->nValue++;
      p->nStep = 0;
    }
    sqlite3_result_int64(pCtx, p->nValue);
  }
}

/*
** Implementation of built-in window function nth_value(). This
** implementation is used in "slow mode" only - when the EXCLUDE clause
** is not set to the default value "NO OTHERS".
*/
struct NthValueCtx {
  i64 nStep;
  sqlite3_value *pValue;
};
static void nth_valueStepFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct NthValueCtx *p;
  p = (struct NthValueCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p ){
    i64 iVal;
    switch( sqlite3_value_numeric_type(apArg[1]) ){
      case SQLITE_INTEGER:
        iVal = sqlite3_value_int64(apArg[1]);
        break;
      case SQLITE_FLOAT: {
        double fVal = sqlite3_value_double(apArg[1]);
        if( ((i64)fVal)!=fVal ) goto error_out;
        iVal = (i64)fVal;
        break;
      }
      default:
        goto error_out;
    }
    if( iVal<=0 ) goto error_out;

    p->nStep++;
    if( iVal==p->nStep ){
      p->pValue = sqlite3_value_dup(apArg[0]);
      if( !p->pValue ){
        sqlite3_result_error_nomem(pCtx);
      }
    }
  }
  UNUSED_PARAMETER(nArg);
  UNUSED_PARAMETER(apArg);
  return;

 error_out:
  sqlite3_result_error(
      pCtx, "second argument to nth_value must be a positive integer", -1
  );
}
static void nth_valueFinalizeFunc(sqlite3_context *pCtx){
  struct NthValueCtx *p;
  p = (struct NthValueCtx*)sqlite3_aggregate_context(pCtx, 0);
  if( p && p->pValue ){
    sqlite3_result_value(pCtx, p->pValue);
    sqlite3_value_free(p->pValue);
    p->pValue = 0;
  }
}
#define nth_valueInvFunc noopStepFunc
#define nth_valueValueFunc noopValueFunc

static void first_valueStepFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct NthValueCtx *p;
  p = (struct NthValueCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p && p->pValue==0 ){
    p->pValue = sqlite3_value_dup(apArg[0]);
    if( !p->pValue ){
      sqlite3_result_error_nomem(pCtx);
    }
  }
  UNUSED_PARAMETER(nArg);
  UNUSED_PARAMETER(apArg);
}
static void first_valueFinalizeFunc(sqlite3_context *pCtx){
  struct NthValueCtx *p;
  p = (struct NthValueCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p && p->pValue ){
    sqlite3_result_value(pCtx, p->pValue);
    sqlite3_value_free(p->pValue);
    p->pValue = 0;
  }
}
#define first_valueInvFunc noopStepFunc
#define first_valueValueFunc noopValueFunc

/*
** Implementation of built-in window function rank(). Assumes that
** the window frame has been set to:
**
**   RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW 
*/
static void rankStepFunc(
................................................................................
  }
}

/*
** Implementation of built-in window function percent_rank(). Assumes that
** the window frame has been set to:
**
**   GROUPS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING
*/
static void percent_rankStepFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct CallCount *p;
  UNUSED_PARAMETER(nArg); assert( nArg==0 );

  UNUSED_PARAMETER(apArg);
  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p ){
    p->nTotal++;

  }



}

static void percent_rankInvFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct CallCount *p;
  UNUSED_PARAMETER(nArg); assert( nArg==0 );
  UNUSED_PARAMETER(apArg);
  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  p->nStep++;
}
static void percent_rankValueFunc(sqlite3_context *pCtx){
  struct CallCount *p;
  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p ){
    p->nValue = p->nStep;
    if( p->nTotal>1 ){
      double r = (double)p->nValue / (double)(p->nTotal-1);
      sqlite3_result_double(pCtx, r);
    }else{
      sqlite3_result_double(pCtx, 0.0);
    }

  }
}
#define percent_rankFinalizeFunc percent_rankValueFunc

/*
** Implementation of built-in window function cume_dist(). Assumes that
** the window frame has been set to:
**
**   GROUPS BETWEEN 1 FOLLOWING AND UNBOUNDED FOLLOWING
*/
static void cume_distStepFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct CallCount *p;
  UNUSED_PARAMETER(nArg); assert( nArg==0 );

  UNUSED_PARAMETER(apArg);
  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p ){
    p->nTotal++;

  }

}
static void cume_distInvFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct CallCount *p;
  UNUSED_PARAMETER(nArg); assert( nArg==0 );
  UNUSED_PARAMETER(apArg);
  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  p->nStep++;
}
static void cume_distValueFunc(sqlite3_context *pCtx){
  struct CallCount *p;
  p = (struct CallCount*)sqlite3_aggregate_context(pCtx, 0);
  if( p ){
    double r = (double)(p->nStep) / (double)(p->nTotal);
    sqlite3_result_double(pCtx, r);
  }
}
#define cume_distFinalizeFunc cume_distValueFunc

/*
** Context object for ntile() window function.
*/
struct NtileCtx {
  i64 nTotal;                     /* Total rows in partition */
  i64 nParam;                     /* Parameter passed to ntile(N) */
................................................................................
  i64 iRow;                       /* Current row */
};

/*
** Implementation of ntile(). This assumes that the window frame has
** been coerced to:
**
**   ROWS CURRENT ROW AND UNBOUNDED FOLLOWING
*/
static void ntileStepFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct NtileCtx *p;
  assert( nArg==1 ); UNUSED_PARAMETER(nArg);
  p = (struct NtileCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p ){
    if( p->nTotal==0 ){
      p->nParam = sqlite3_value_int64(apArg[0]);

      if( p->nParam<=0 ){
        sqlite3_result_error(
            pCtx, "argument of ntile must be a positive integer", -1
        );
      }
    }
    p->nTotal++;
  }
}
static void ntileInvFunc(
  sqlite3_context *pCtx, 
  int nArg,
  sqlite3_value **apArg
){
  struct NtileCtx *p;
  assert( nArg==1 ); UNUSED_PARAMETER(nArg);
  UNUSED_PARAMETER(apArg);
  p = (struct NtileCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  p->iRow++;
}
static void ntileValueFunc(sqlite3_context *pCtx){
  struct NtileCtx *p;
  p = (struct NtileCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
  if( p && p->nParam>0 ){
    int nSize = (p->nTotal / p->nParam);
    if( nSize==0 ){
      sqlite3_result_int64(pCtx, p->iRow+1);
    }else{
      i64 nLarge = p->nTotal - p->nParam*nSize;
      i64 iSmall = nLarge*(nSize+1);
      i64 iRow = p->iRow;

      assert( (nLarge*(nSize+1) + (p->nParam-nLarge)*nSize)==p->nTotal );

      if( iRow<iSmall ){
        sqlite3_result_int64(pCtx, 1 + iRow/(nSize+1));
      }else{
        sqlite3_result_int64(pCtx, 1 + nLarge + (iRow-iSmall)/nSize);
      }
    }
  }
}
#define ntileFinalizeFunc ntileValueFunc

/*
** Context object for last_value() window function.
*/
struct LastValueCtx {
  sqlite3_value *pVal;
  int nVal;
................................................................................
      sqlite3_value_free(p->pVal);
      p->pVal = 0;
    }
  }
}
static void last_valueValueFunc(sqlite3_context *pCtx){
  struct LastValueCtx *p;
  p = (struct LastValueCtx*)sqlite3_aggregate_context(pCtx, 0);
  if( p && p->pVal ){
    sqlite3_result_value(pCtx, p->pVal);
  }
}
static void last_valueFinalizeFunc(sqlite3_context *pCtx){
  struct LastValueCtx *p;
  p = (struct LastValueCtx*)sqlite3_aggregate_context(pCtx, sizeof(*p));
................................................................................
** Register those built-in window functions that are not also aggregates.
*/
SQLITE_PRIVATE void sqlite3WindowFunctions(void){
  static FuncDef aWindowFuncs[] = {
    WINDOWFUNCX(row_number, 0, 0),
    WINDOWFUNCX(dense_rank, 0, 0),
    WINDOWFUNCX(rank, 0, 0),
    WINDOWFUNCALL(percent_rank, 0, 0),
    WINDOWFUNCALL(cume_dist, 0, 0),
    WINDOWFUNCALL(ntile, 1, 0),
    WINDOWFUNCALL(last_value, 1, 0),
    WINDOWFUNCALL(nth_value, 2, 0),
    WINDOWFUNCALL(first_value, 1, 0),
    WINDOWFUNCNOOP(lead, 1, 0),
    WINDOWFUNCNOOP(lead, 2, 0),
    WINDOWFUNCNOOP(lead, 3, 0),
    WINDOWFUNCNOOP(lag, 1, 0),
    WINDOWFUNCNOOP(lag, 2, 0),
    WINDOWFUNCNOOP(lag, 3, 0),
  };
  sqlite3InsertBuiltinFuncs(aWindowFuncs, ArraySize(aWindowFuncs));
}

static Window *windowFind(Parse *pParse, Window *pList, const char *zName){
  Window *p;
  for(p=pList; p; p=p->pNextWin){
    if( sqlite3StrICmp(p->zName, zName)==0 ) break;
  }
  if( p==0 ){
    sqlite3ErrorMsg(pParse, "no such window: %s", zName);
  }
  return p;
}

/*
** This function is called immediately after resolving the function name
** for a window function within a SELECT statement. Argument pList is a
** linked list of WINDOW definitions for the current SELECT statement.
** Argument pFunc is the function definition just resolved and pWin
** is the Window object representing the associated OVER clause. This
................................................................................
*/
SQLITE_PRIVATE void sqlite3WindowUpdate(
  Parse *pParse, 
  Window *pList,                  /* List of named windows for this SELECT */
  Window *pWin,                   /* Window frame to update */
  FuncDef *pFunc                  /* Window function definition */
){
  if( pWin->zName && pWin->eFrmType==0 ){
    Window *p = windowFind(pParse, pList, pWin->zName);



    if( p==0 ) return;



    pWin->pPartition = sqlite3ExprListDup(pParse->db, p->pPartition, 0);
    pWin->pOrderBy = sqlite3ExprListDup(pParse->db, p->pOrderBy, 0);
    pWin->pStart = sqlite3ExprDup(pParse->db, p->pStart, 0);
    pWin->pEnd = sqlite3ExprDup(pParse->db, p->pEnd, 0);
    pWin->eStart = p->eStart;
    pWin->eEnd = p->eEnd;
    pWin->eFrmType = p->eFrmType;
    pWin->eExclude = p->eExclude;
  }else{
    sqlite3WindowChain(pParse, pWin, pList);
  }
  if( (pWin->eFrmType==TK_RANGE)
   && (pWin->pStart || pWin->pEnd) 
   && (pWin->pOrderBy==0 || pWin->pOrderBy->nExpr!=1)
  ){
    sqlite3ErrorMsg(pParse, 
      "RANGE with offset PRECEDING/FOLLOWING requires one ORDER BY expression"
    );
  }else
  if( pFunc->funcFlags & SQLITE_FUNC_WINDOW ){
    sqlite3 *db = pParse->db;
    if( pWin->pFilter ){
      sqlite3ErrorMsg(pParse, 
          "FILTER clause may only be used with aggregate window functions"
      );
    }else{
      struct WindowUpdate {
        const char *zFunc;
        int eFrmType;
        int eStart;
        int eEnd;
      } aUp[] = {
        { row_numberName,   TK_ROWS,   TK_UNBOUNDED, TK_CURRENT }, 
        { dense_rankName,   TK_RANGE,  TK_UNBOUNDED, TK_CURRENT }, 
        { rankName,         TK_RANGE,  TK_UNBOUNDED, TK_CURRENT }, 
        { percent_rankName, TK_GROUPS, TK_CURRENT,   TK_UNBOUNDED }, 
        { cume_distName,    TK_GROUPS, TK_FOLLOWING, TK_UNBOUNDED }, 
        { ntileName,        TK_ROWS,   TK_CURRENT,   TK_UNBOUNDED }, 
        { leadName,         TK_ROWS,   TK_UNBOUNDED, TK_UNBOUNDED }, 
        { lagName,          TK_ROWS,   TK_UNBOUNDED, TK_CURRENT }, 
      };
      int i;
      for(i=0; i<ArraySize(aUp); i++){
        if( pFunc->zName==aUp[i].zFunc ){
          sqlite3ExprDelete(db, pWin->pStart);
          sqlite3ExprDelete(db, pWin->pEnd);
          pWin->pEnd = pWin->pStart = 0;

          pWin->eFrmType = aUp[i].eFrmType;
          pWin->eStart = aUp[i].eStart;
          pWin->eEnd = aUp[i].eEnd;

          pWin->eExclude = 0;
          if( pWin->eStart==TK_FOLLOWING ){
            pWin->pStart = sqlite3Expr(db, TK_INTEGER, "1");
          }









          break;
        }
      }
    }
  }
  pWin->pFunc = pFunc;
}

/*
** Context object passed through sqlite3WalkExprList() to
................................................................................
      }
    }

    /* Assign a cursor number for the ephemeral table used to buffer rows.
    ** The OpenEphemeral instruction is coded later, after it is known how
    ** many columns the table will have.  */
    pMWin->iEphCsr = pParse->nTab++;
    pParse->nTab += 3;

    selectWindowRewriteEList(pParse, pMWin, pSrc, p->pEList, &pSublist);
    selectWindowRewriteEList(pParse, pMWin, pSrc, p->pOrderBy, &pSublist);
    pMWin->nBufferCol = (pSublist ? pSublist->nExpr : 0);

    /* Append the PARTITION BY and ORDER BY expressions to the to the 
    ** sub-select expression list. They are required to figure out where 
................................................................................
      }else{
        pSub->selFlags |= SF_Expanded;
        p->selFlags &= ~SF_Aggregate;
        sqlite3SelectPrep(pParse, pSub, 0);
      }

      sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pMWin->iEphCsr, pSublist->nExpr);
      sqlite3VdbeAddOp2(v, OP_OpenDup, pMWin->iEphCsr+1, pMWin->iEphCsr);
      sqlite3VdbeAddOp2(v, OP_OpenDup, pMWin->iEphCsr+2, pMWin->iEphCsr);
      sqlite3VdbeAddOp2(v, OP_OpenDup, pMWin->iEphCsr+3, pMWin->iEphCsr);
    }else{
      sqlite3SelectDelete(db, pSub);
    }
    if( db->mallocFailed ) rc = SQLITE_NOMEM;
  }

  return rc;
................................................................................
  if( p ){
    sqlite3ExprDelete(db, p->pFilter);
    sqlite3ExprListDelete(db, p->pPartition);
    sqlite3ExprListDelete(db, p->pOrderBy);
    sqlite3ExprDelete(db, p->pEnd);
    sqlite3ExprDelete(db, p->pStart);
    sqlite3DbFree(db, p->zName);
    sqlite3DbFree(db, p->zBase);
    sqlite3DbFree(db, p);
  }
}

/*
** Free the linked list of Window objects starting at the second argument.
*/
................................................................................
}

/*
** Allocate and return a new Window object describing a Window Definition.
*/
SQLITE_PRIVATE Window *sqlite3WindowAlloc(
  Parse *pParse,    /* Parsing context */
  int eType,        /* Frame type. TK_RANGE, TK_ROWS, TK_GROUPS, or 0 */
  int eStart,       /* Start type: CURRENT, PRECEDING, FOLLOWING, UNBOUNDED */
  Expr *pStart,     /* Start window size if TK_PRECEDING or FOLLOWING */
  int eEnd,         /* End type: CURRENT, FOLLOWING, TK_UNBOUNDED, PRECEDING */
  Expr *pEnd,       /* End window size if TK_FOLLOWING or PRECEDING */
  u8 eExclude       /* EXCLUDE clause */
){
  Window *pWin = 0;
  int bImplicitFrame = 0;

  /* Parser assures the following: */
  assert( eType==0 || eType==TK_RANGE || eType==TK_ROWS || eType==TK_GROUPS );
  assert( eStart==TK_CURRENT || eStart==TK_PRECEDING
           || eStart==TK_UNBOUNDED || eStart==TK_FOLLOWING );
  assert( eEnd==TK_CURRENT || eEnd==TK_FOLLOWING
           || eEnd==TK_UNBOUNDED || eEnd==TK_PRECEDING );
  assert( (eStart==TK_PRECEDING || eStart==TK_FOLLOWING)==(pStart!=0) );
  assert( (eEnd==TK_FOLLOWING || eEnd==TK_PRECEDING)==(pEnd!=0) );


  if( eType==0 ){
    bImplicitFrame = 1;
    eType = TK_RANGE;




  }

  /* Additionally, the
  ** starting boundary type may not occur earlier in the following list than
  ** the ending boundary type:
  **
  **   UNBOUNDED PRECEDING
................................................................................
  ** The parser ensures that "UNBOUNDED PRECEDING" cannot be used as an ending
  ** boundary, and than "UNBOUNDED FOLLOWING" cannot be used as a starting
  ** frame boundary.
  */
  if( (eStart==TK_CURRENT && eEnd==TK_PRECEDING)
   || (eStart==TK_FOLLOWING && (eEnd==TK_PRECEDING || eEnd==TK_CURRENT))
  ){
    sqlite3ErrorMsg(pParse, "unsupported frame specification");
    goto windowAllocErr;
  }

  pWin = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window));
  if( pWin==0 ) goto windowAllocErr;
  pWin->eFrmType = eType;
  pWin->eStart = eStart;
  pWin->eEnd = eEnd;
  if( eExclude==0 && OptimizationDisabled(pParse->db, SQLITE_WindowFunc) ){
    eExclude = TK_NO;
  }
  pWin->eExclude = eExclude;
  pWin->bImplicitFrame = bImplicitFrame;
  pWin->pEnd = sqlite3WindowOffsetExpr(pParse, pEnd);
  pWin->pStart = sqlite3WindowOffsetExpr(pParse, pStart);
  return pWin;

windowAllocErr:
  sqlite3ExprDelete(pParse->db, pEnd);
  sqlite3ExprDelete(pParse->db, pStart);
  return 0;
}

/*
** Attach PARTITION and ORDER BY clauses pPartition and pOrderBy to window
** pWin. Also, if parameter pBase is not NULL, set pWin->zBase to the
** equivalent nul-terminated string.
*/
SQLITE_PRIVATE Window *sqlite3WindowAssemble(
  Parse *pParse, 
  Window *pWin, 
  ExprList *pPartition, 
  ExprList *pOrderBy, 
  Token *pBase
){
  if( pWin ){
    pWin->pPartition = pPartition;
    pWin->pOrderBy = pOrderBy;
    if( pBase ){
      pWin->zBase = sqlite3DbStrNDup(pParse->db, pBase->z, pBase->n);
    }
  }else{
    sqlite3ExprListDelete(pParse->db, pPartition);
    sqlite3ExprListDelete(pParse->db, pOrderBy);
  }
  return pWin;
}

/*
** Window *pWin has just been created from a WINDOW clause. Tokne pBase
** is the base window. Earlier windows from the same WINDOW clause are
** stored in the linked list starting at pWin->pNextWin. This function
** either updates *pWin according to the base specification, or else
** leaves an error in pParse.
*/
SQLITE_PRIVATE void sqlite3WindowChain(Parse *pParse, Window *pWin, Window *pList){
  if( pWin->zBase ){
    sqlite3 *db = pParse->db;
    Window *pExist = windowFind(pParse, pList, pWin->zBase);
    if( pExist ){
      const