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Overview
Comment:Improvements to the /test-warning webpage.
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SHA3-256:8d9ad7501e1fc4acafbccc260512f1832cae88c61fc2db759778468c62f4f4f3
User & Date: drh 2018-06-24 17:51:39
Context
2018-06-24
18:22
Only invoke the email alert sender after a successful HTTP request. Mark Not Found requests as 404, unsuccessful. check-in: 4eb3e0f2 user: drh tags: trunk
17:51
Improvements to the /test-warning webpage. check-in: 8d9ad750 user: drh tags: trunk
17:44
Extra defenses against running the digest alert generator in a context where the transaction will rollback, thus failing to record the new digest time. Change the "fossil server" and "fossil ui" commands to always log errors to the console if no other error logging is defined. check-in: f87fb027 user: drh tags: trunk
Changes
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Changes to src/db.c.

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    db.doRollback = 0;
  }
  db.nBegin++;
}
void db_end_transaction(int rollbackFlag){
  if( g.db==0 ) return;
  if( db.nBegin<=0 ){
    fossil_warning("Extra call to db_end_transaction\n");
    return;
  }
  if( rollbackFlag ){
    db.doRollback = 1;
    if( g.fSqlTrace ) fossil_trace("-- ROLLBACK by request\n");
  }
  db.nBegin--;
................................................................................
    fprintf(stderr, "-- PCACHE_OVFLOW          %10d %10d\n", cur, hiwtr);
    fprintf(stderr, "-- prepared statements    %10d\n", db.nPrepare);
  }
  while( db.pAllStmt ){
    db_finalize(db.pAllStmt);
  }
  if( db.nBegin ){
    fossil_warning("Missed call to db_end_transaction(). Rolling back.\n");
    db_end_transaction(1);
  }
  pStmt = 0;
  g.dbIgnoreErrors++; /* Stop "database locked" warnings from PRAGMA optimize */
  sqlite3_exec(g.db, "PRAGMA optimize", 0, 0, 0);
  g.dbIgnoreErrors--;
  db_close_config();







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    db.doRollback = 0;
  }
  db.nBegin++;
}
void db_end_transaction(int rollbackFlag){
  if( g.db==0 ) return;
  if( db.nBegin<=0 ){
    fossil_warning("Extra call to db_end_transaction");
    return;
  }
  if( rollbackFlag ){
    db.doRollback = 1;
    if( g.fSqlTrace ) fossil_trace("-- ROLLBACK by request\n");
  }
  db.nBegin--;
................................................................................
    fprintf(stderr, "-- PCACHE_OVFLOW          %10d %10d\n", cur, hiwtr);
    fprintf(stderr, "-- prepared statements    %10d\n", db.nPrepare);
  }
  while( db.pAllStmt ){
    db_finalize(db.pAllStmt);
  }
  if( db.nBegin ){
    fossil_warning("Missed call to db_end_transaction(). Rolling back.");
    db_end_transaction(1);
  }
  pStmt = 0;
  g.dbIgnoreErrors++; /* Stop "database locked" warnings from PRAGMA optimize */
  sqlite3_exec(g.db, "PRAGMA optimize", 0, 0, 0);
  g.dbIgnoreErrors--;
  db_close_config();

Changes to src/main.c.

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**
**     case=1           Issue a fossil_warning() while generating the page.
**     case=2           Extra db_begin_transaction()
**     case=3           Extra db_end_transaction()
*/
void test_warning_page(void){
  int iCase = atoi(PD("case","1"));

  login_check_credentials();
  if( !g.perm.Admin ){ fossil_redirect_home(); return; }
  style_header("Warning Test Page");
  @ <p>This is the test page for case=%d(iCase)</p>



  @ <ol>

  @ <li value='1'> Call fossil_warning()
  if( iCase==1 ){
    fossil_warning("Test warning message from /test-warning");
  }
  @ <li value='2'> Call db_begin_transaction()
  if( iCase==2 ){
    db_begin_transaction();







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**
**     case=1           Issue a fossil_warning() while generating the page.
**     case=2           Extra db_begin_transaction()
**     case=3           Extra db_end_transaction()
*/
void test_warning_page(void){
  int iCase = atoi(PD("case","1"));
  int i;
  login_check_credentials();
  if( !g.perm.Admin ){ fossil_redirect_home(); return; }
  style_header("Warning Test Page");
  @ <p>This is the test page for case=%d(iCase).  Cases:
  for(i=1; i<=3; i++){
    @ <a href='./test-warning?case=%d(i)'>[%d(i)]</a>
  }
  @ </p>
  @ <p><ol>
  @ <li value='1'> Call fossil_warning()
  if( iCase==1 ){
    fossil_warning("Test warning message from /test-warning");
  }
  @ <li value='2'> Call db_begin_transaction()
  if( iCase==2 ){
    db_begin_transaction();