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Overview
Comment: | Enhancements to the way errors are reported up when an automatic statement reprepare fails. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
1a6d4bb130382564093b6370818ae4a7 |
User & Date: | drh 2010-02-24 17:15:19.000 |
References
2010-02-25
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02:32 | Merge in all of the logging enhancements. This is a cherrypick merge of the following check-ins: [103321e37a], [a8076aede3], [6d910245ad], [7c4cca6d1a], [edea3bb740], [1a6d4bb130], [a8c984c1d6], [69a493182f], and [1168763d2c]. (check-in: 46f406b202 user: drh tags: branch-3.6.22) | |
Context
2010-02-24
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18:25 | Remove an unused variable from rtree. (check-in: 8e60d3995a user: drh tags: trunk) | |
17:15 | Enhancements to the way errors are reported up when an automatic statement reprepare fails. (check-in: 1a6d4bb130 user: drh tags: trunk) | |
15:10 | Fix an assertion fault that occurs when two different virtual tables are used in a single UPDATE statement. Ticket [d2f02d37f52b]. (check-in: ff61e0fd80 user: drh tags: trunk) | |
Changes
Changes to src/prepare.c.
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724 725 726 727 728 729 730 | assert( sqlite3_mutex_held(db->mutex) ); rc = sqlite3LockAndPrepare(db, zSql, -1, 0, p, &pNew, 0); if( rc ){ if( rc==SQLITE_NOMEM ){ db->mallocFailed = 1; } assert( pNew==0 ); | | | 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 | assert( sqlite3_mutex_held(db->mutex) ); rc = sqlite3LockAndPrepare(db, zSql, -1, 0, p, &pNew, 0); if( rc ){ if( rc==SQLITE_NOMEM ){ db->mallocFailed = 1; } assert( pNew==0 ); return rc; }else{ assert( pNew!=0 ); } sqlite3VdbeSwap((Vdbe*)pNew, p); sqlite3TransferBindings(pNew, (sqlite3_stmt*)p); sqlite3VdbeResetStepResult((Vdbe*)pNew); sqlite3VdbeFinalize((Vdbe*)pNew); |
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Changes to src/vdbeapi.c.
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414 415 416 417 418 419 420 | /* ** This is the top-level implementation of sqlite3_step(). Call ** sqlite3Step() to do most of the work. If a schema error occurs, ** call sqlite3Reprepare() and try again. */ int sqlite3_step(sqlite3_stmt *pStmt){ | | > | | | > | | > | | 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 | /* ** This is the top-level implementation of sqlite3_step(). Call ** sqlite3Step() to do most of the work. If a schema error occurs, ** call sqlite3Reprepare() and try again. */ int sqlite3_step(sqlite3_stmt *pStmt){ int rc = SQLITE_OK; /* Result from sqlite3Step() */ int rc2 = SQLITE_OK; /* Result from sqlite3Reprepare() */ Vdbe *v = (Vdbe*)pStmt; /* the prepared statement */ int cnt = 0; /* Counter to prevent infinite loop of reprepares */ sqlite3 *db; /* The database connection */ if( vdbeSafetyNotNull(v) ){ return SQLITE_MISUSE_BKPT; } db = v->db; sqlite3_mutex_enter(db->mutex); while( (rc = sqlite3Step(v))==SQLITE_SCHEMA && cnt++ < 5 && (rc2 = rc = sqlite3Reprepare(v))==SQLITE_OK ){ sqlite3_reset(pStmt); v->expired = 0; } if( rc2!=SQLITE_OK && v->isPrepareV2 && db->pErr ){ /* This case occurs after failing to recompile an sql statement. ** The error message from the SQL compiler has already been loaded ** into the database handle. This block copies the error message ** from the database handle into the statement and sets the statement ** program counter to 0 to ensure that when the statement is ** finalized or reset the parser error message is available via ** sqlite3_errmsg() and sqlite3_errcode(). */ const char *zErr = (const char *)sqlite3_value_text(db->pErr); sqlite3DbFree(db, v->zErrMsg); if( !db->mallocFailed ){ v->zErrMsg = sqlite3DbStrDup(db, zErr); v->rc = rc2; } else { v->zErrMsg = 0; v->rc = rc = SQLITE_NOMEM; } } rc = sqlite3ApiExit(db, rc); sqlite3_mutex_leave(db->mutex); return rc; } |
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