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Overview
Comment: | Fix a bug in fts3 causing it to return SQLITE_NOMEM when NEAR, OR and some auxiliary functions were used together. Also a segfault in vtab.c that could follow an OOM condition. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
33f4f9817e8b3cb97ce02a4c49bd5863 |
User & Date: | dan 2012-10-25 19:25:39.022 |
Context
2012-10-26
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00:55 | Make sure all virtual table cursors have been closed on a prepared statement prior to unlinking the perpared statement from its database connection. The test case for this is in TH3, in the main39.test module. (check-in: 6d42d806ad user: drh tags: trunk) | |
00:11 | Make sure all virtual table cursors have been closed on a prepared statement prior to unlinking the perpared statement from its database connection. (Closed-Leaf check-in: f7c5abe873 user: drh tags: deferred-close-order) | |
2012-10-25
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19:25 | Fix a bug in fts3 causing it to return SQLITE_NOMEM when NEAR, OR and some auxiliary functions were used together. Also a segfault in vtab.c that could follow an OOM condition. (check-in: 33f4f9817e user: dan tags: trunk) | |
15:43 | Fix typo in usage text for the command-line shell. Also, in the same usage text, make the file name argument to -init uppercase for consistency. (check-in: a6d906cfeb user: mistachkin tags: trunk) | |
Changes
Changes to ext/fts3/fts3.c.
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4739 4740 4741 4742 4743 4744 4745 | char *aTmp; /* Temp space for PoslistNearMerge() */ /* Allocate temporary working space. */ for(p=pExpr; p->pLeft; p=p->pLeft){ nTmp += p->pRight->pPhrase->doclist.nList; } nTmp += p->pPhrase->doclist.nList; | > > > | | | | | | | | | | | | | | | | | | | | | | | | | | | > | 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 | char *aTmp; /* Temp space for PoslistNearMerge() */ /* Allocate temporary working space. */ for(p=pExpr; p->pLeft; p=p->pLeft){ nTmp += p->pRight->pPhrase->doclist.nList; } nTmp += p->pPhrase->doclist.nList; if( nTmp==0 ){ res = 0; }else{ aTmp = sqlite3_malloc(nTmp*2); if( !aTmp ){ *pRc = SQLITE_NOMEM; res = 0; }else{ char *aPoslist = p->pPhrase->doclist.pList; int nToken = p->pPhrase->nToken; for(p=p->pParent;res && p && p->eType==FTSQUERY_NEAR; p=p->pParent){ Fts3Phrase *pPhrase = p->pRight->pPhrase; int nNear = p->nNear; res = fts3EvalNearTrim(nNear, aTmp, &aPoslist, &nToken, pPhrase); } aPoslist = pExpr->pRight->pPhrase->doclist.pList; nToken = pExpr->pRight->pPhrase->nToken; for(p=pExpr->pLeft; p && res; p=p->pLeft){ int nNear; Fts3Phrase *pPhrase; assert( p->pParent && p->pParent->pLeft==p ); nNear = p->pParent->nNear; pPhrase = ( p->eType==FTSQUERY_NEAR ? p->pRight->pPhrase : p->pPhrase ); res = fts3EvalNearTrim(nNear, aTmp, &aPoslist, &nToken, pPhrase); } } sqlite3_free(aTmp); } } return res; } /* ** This function is a helper function for fts3EvalTestDeferredAndNear(). |
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Changes to src/vtab.c.
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491 492 493 494 495 496 497 | if( !pVTable ){ sqlite3DbFree(db, zModuleName); return SQLITE_NOMEM; } pVTable->db = db; pVTable->pMod = pMod; | < < | 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 | if( !pVTable ){ sqlite3DbFree(db, zModuleName); return SQLITE_NOMEM; } pVTable->db = db; pVTable->pMod = pMod; iDb = sqlite3SchemaToIndex(db, pTab->pSchema); pTab->azModuleArg[1] = db->aDb[iDb].zName; /* Invoke the virtual table constructor */ assert( &db->pVtabCtx ); assert( xConstruct ); sCtx.pTab = pTab; sCtx.pVTable = pVTable; pPriorCtx = db->pVtabCtx; db->pVtabCtx = &sCtx; rc = xConstruct(db, pMod->pAux, nArg, azArg, &pVTable->pVtab, &zErr); db->pVtabCtx = pPriorCtx; if( rc==SQLITE_NOMEM ) db->mallocFailed = 1; if( SQLITE_OK!=rc ){ if( zErr==0 ){ *pzErr = sqlite3MPrintf(db, "vtable constructor failed: %s", zModuleName); }else { *pzErr = sqlite3MPrintf(db, "%s", zErr); sqlite3_free(zErr); |
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Changes to test/fts3matchinfo.test.
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402 403 404 405 406 407 408 409 410 411 | SELECT mit(matchinfo(t11, 'nxa')) FROM t11 WHERE t11 MATCH 'a*' } {1 {database disk image is malformed}} do_execsql_test 8.4.3.1 { UPDATE t11_stat SET value = NULL; } do_catchsql_test 8.5.3.2 { SELECT mit(matchinfo(t11, 'nxa')) FROM t11 WHERE t11 MATCH 'a*' } {1 {database disk image is malformed}} finish_test | > > > > > > > > > > > > > > > > > > > | 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 | SELECT mit(matchinfo(t11, 'nxa')) FROM t11 WHERE t11 MATCH 'a*' } {1 {database disk image is malformed}} do_execsql_test 8.4.3.1 { UPDATE t11_stat SET value = NULL; } do_catchsql_test 8.5.3.2 { SELECT mit(matchinfo(t11, 'nxa')) FROM t11 WHERE t11 MATCH 'a*' } {1 {database disk image is malformed}} #------------------------------------------------------------------------- do_execsql_test 8.1 { CREATE VIRTUAL TABLE t12 USING fts4; INSERT INTO t12 VALUES('a b c d'); SELECT mit(matchinfo(t12, 'x')) FROM t12 WHERE t12 MATCH 'a NEAR/1 d OR a'; } {{0 0 0 0 0 0 1 1 1}} do_execsql_test 8.2 { INSERT INTO t12 VALUES('a d c d'); SELECT mit(matchinfo(t12, 'x')) FROM t12 WHERE t12 MATCH 'a NEAR/1 d OR a'; } { {0 1 1 0 1 1 1 2 2} {1 1 1 1 1 1 1 2 2} } do_execsql_test 8.3 { INSERT INTO t12 VALUES('a d d a'); SELECT mit(matchinfo(t12, 'x')) FROM t12 WHERE t12 MATCH 'a NEAR/1 d OR a'; } { {0 3 2 0 3 2 1 4 3} {1 3 2 1 3 2 1 4 3} {2 3 2 2 3 2 2 4 3} } finish_test |