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Overview
Comment: | Begin adding support for SQLITE_FCNTL_PRAGMA. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | file-control-pragma |
Files: | files | file ages | folders |
SHA1: |
5be07904baf6e5b8b99ca6f4bb6ddec9 |
User & Date: | drh 2012-02-22 14:45:19.357 |
Context
2012-02-22
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16:58 | Change the SQLITE_FCNTL_PRAGMA file-control so that it can return a string value. (check-in: fd8d744027 user: drh tags: file-control-pragma) | |
14:45 | Begin adding support for SQLITE_FCNTL_PRAGMA. (check-in: 5be07904ba user: drh tags: file-control-pragma) | |
2012-02-21
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18:35 | Avoid redefining NDEBUG if the fuzzer is included in an amalagmated source file. (check-in: f8ac826f95 user: drh tags: trunk) | |
Changes
Changes to src/pragma.c.
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308 309 310 311 312 313 314 | int minusFlag /* True if a '-' sign preceded <value> */ ){ char *zLeft = 0; /* Nul-terminated UTF-8 string <id> */ char *zRight = 0; /* Nul-terminated UTF-8 string <value>, or NULL */ const char *zDb = 0; /* The database name */ Token *pId; /* Pointer to <id> token */ int iDb; /* Database index for <database> */ | > > | | | > | 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 | int minusFlag /* True if a '-' sign preceded <value> */ ){ char *zLeft = 0; /* Nul-terminated UTF-8 string <id> */ char *zRight = 0; /* Nul-terminated UTF-8 string <value>, or NULL */ const char *zDb = 0; /* The database name */ Token *pId; /* Pointer to <id> token */ int iDb; /* Database index for <database> */ const char *aFcntl[3]; /* Argument to SQLITE_FCNTL_PRAGMA */ int rc; /* return value form SQLITE_FCNTL_PRAGMA */ sqlite3 *db = pParse->db; /* The database connection */ Db *pDb; /* The specific database being pragmaed */ Vdbe *v = pParse->pVdbe = sqlite3VdbeCreate(db); /* Prepared statement */ if( v==0 ) return; sqlite3VdbeRunOnlyOnce(v); pParse->nMem = 2; /* Interpret the [database.] part of the pragma statement. iDb is the ** index of the database this pragma is being applied to in db.aDb[]. */ iDb = sqlite3TwoPartName(pParse, pId1, pId2, &pId); |
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341 342 343 344 345 346 347 348 349 350 351 352 353 354 | } assert( pId2 ); zDb = pId2->n>0 ? pDb->zName : 0; if( sqlite3AuthCheck(pParse, SQLITE_PRAGMA, zLeft, zRight, zDb) ){ goto pragma_out; } #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED) /* ** PRAGMA [database.]default_cache_size ** PRAGMA [database.]default_cache_size=N ** ** The first form reports the current persistent setting for the | > > > > > > > > > > > > > | 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 | } assert( pId2 ); zDb = pId2->n>0 ? pDb->zName : 0; if( sqlite3AuthCheck(pParse, SQLITE_PRAGMA, zLeft, zRight, zDb) ){ goto pragma_out; } /* Send an SQLITE_FCNTL_PRAGMA file-control to the underlying VFS ** connection. If it returns SQLITE_OK, then assume that the VFS ** handled the pragma and generate a no-op prepared statement. */ aFcntl[0] = zLeft; aFcntl[1] = zRight; aFcntl[2] = 0; rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_PRAGMA, (void*)aFcntl); if( rc==SQLITE_OK ){ zLeft = ""; } #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED) /* ** PRAGMA [database.]default_cache_size ** PRAGMA [database.]default_cache_size=N ** ** The first form reports the current persistent setting for the |
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Changes to src/sqlite.h.in.
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793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 | ** [sqlite3_malloc()] and the result is stored in the char* variable ** that the fourth parameter of [sqlite3_file_control()] points to. ** The caller is responsible for freeing the memory when done. As with ** all file-control actions, there is no guarantee that this will actually ** do anything. Callers should initialize the char* variable to a NULL ** pointer in case this file-control is not implemented. This file-control ** is intended for diagnostic use only. */ #define SQLITE_FCNTL_LOCKSTATE 1 #define SQLITE_GET_LOCKPROXYFILE 2 #define SQLITE_SET_LOCKPROXYFILE 3 #define SQLITE_LAST_ERRNO 4 #define SQLITE_FCNTL_SIZE_HINT 5 #define SQLITE_FCNTL_CHUNK_SIZE 6 #define SQLITE_FCNTL_FILE_POINTER 7 #define SQLITE_FCNTL_SYNC_OMITTED 8 #define SQLITE_FCNTL_WIN32_AV_RETRY 9 #define SQLITE_FCNTL_PERSIST_WAL 10 #define SQLITE_FCNTL_OVERWRITE 11 #define SQLITE_FCNTL_VFSNAME 12 #define SQLITE_FCNTL_POWERSAFE_OVERWRITE 13 /* ** CAPI3REF: Mutex Handle ** ** The mutex module within SQLite defines [sqlite3_mutex] to be an ** abstract type for a mutex object. The SQLite core never looks ** at the internal representation of an [sqlite3_mutex]. It only | > > > > > > > > > > | 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 | ** [sqlite3_malloc()] and the result is stored in the char* variable ** that the fourth parameter of [sqlite3_file_control()] points to. ** The caller is responsible for freeing the memory when done. As with ** all file-control actions, there is no guarantee that this will actually ** do anything. Callers should initialize the char* variable to a NULL ** pointer in case this file-control is not implemented. This file-control ** is intended for diagnostic use only. ** ** ^Whenever a [PRAGMA] statement is parsed, an [SQLITE_FCNTL_PRAGMA] ** file control is sent to the open [sqlite3_file] object corresponding ** to the database file to which the pragma statement refers. ^If the ** [SQLITE_FCNTL_PRAGMA] file control returns [SQLITE_NOTFOUND], then normal ** [PRAGMA] processing continues. ^However, if the [SQLITE_FCNTL_PRAGMA] ** file control returns [SQLITE_OK], then the parser assumes that the ** VFS has handled the pragma itself and the parser generates a no-op ** prepared statement. */ #define SQLITE_FCNTL_LOCKSTATE 1 #define SQLITE_GET_LOCKPROXYFILE 2 #define SQLITE_SET_LOCKPROXYFILE 3 #define SQLITE_LAST_ERRNO 4 #define SQLITE_FCNTL_SIZE_HINT 5 #define SQLITE_FCNTL_CHUNK_SIZE 6 #define SQLITE_FCNTL_FILE_POINTER 7 #define SQLITE_FCNTL_SYNC_OMITTED 8 #define SQLITE_FCNTL_WIN32_AV_RETRY 9 #define SQLITE_FCNTL_PERSIST_WAL 10 #define SQLITE_FCNTL_OVERWRITE 11 #define SQLITE_FCNTL_VFSNAME 12 #define SQLITE_FCNTL_POWERSAFE_OVERWRITE 13 #define SQLITE_FCNTL_PRAGMA 14 /* ** CAPI3REF: Mutex Handle ** ** The mutex module within SQLite defines [sqlite3_mutex] to be an ** abstract type for a mutex object. The SQLite core never looks ** at the internal representation of an [sqlite3_mutex]. It only |
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Changes to src/test_vfstrace.c.
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472 473 474 475 476 477 478 479 480 481 482 483 484 485 | case SQLITE_FCNTL_FILE_POINTER: zOp = "FILE_POINTER"; break; case SQLITE_FCNTL_SYNC_OMITTED: zOp = "SYNC_OMITTED"; break; case SQLITE_FCNTL_WIN32_AV_RETRY: zOp = "WIN32_AV_RETRY"; break; case SQLITE_FCNTL_PERSIST_WAL: zOp = "PERSIST_WAL"; break; case SQLITE_FCNTL_OVERWRITE: zOp = "OVERWRITE"; break; case SQLITE_FCNTL_VFSNAME: zOp = "VFSNAME"; break; case 0xca093fa0: zOp = "DB_UNCHANGED"; break; default: { sqlite3_snprintf(sizeof zBuf, zBuf, "%d", op); zOp = zBuf; break; } } vfstrace_printf(pInfo, "%s.xFileControl(%s,%s)", | > > > > > > | 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 | case SQLITE_FCNTL_FILE_POINTER: zOp = "FILE_POINTER"; break; case SQLITE_FCNTL_SYNC_OMITTED: zOp = "SYNC_OMITTED"; break; case SQLITE_FCNTL_WIN32_AV_RETRY: zOp = "WIN32_AV_RETRY"; break; case SQLITE_FCNTL_PERSIST_WAL: zOp = "PERSIST_WAL"; break; case SQLITE_FCNTL_OVERWRITE: zOp = "OVERWRITE"; break; case SQLITE_FCNTL_VFSNAME: zOp = "VFSNAME"; break; case 0xca093fa0: zOp = "DB_UNCHANGED"; break; case SQLITE_FCNTL_PRAGMA: { const char *const* a = (const char*const*)pArg; sqlite3_snprintf(sizeof(zBuf), zBuf, "PRAGMA,[%s,%s]",a[0],a[1]); zOp = zBuf; break; } default: { sqlite3_snprintf(sizeof zBuf, zBuf, "%d", op); zOp = zBuf; break; } } vfstrace_printf(pInfo, "%s.xFileControl(%s,%s)", |
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