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Overview
Comment: | Merge latest trunk change into this branch. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | vtab-onepass |
Files: | files | file ages | folders |
SHA1: |
b519c0d67a8fc39d65c17eccc9300a61 |
User & Date: | dan 2015-09-29 11:59:25.306 |
Context
2015-09-29
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12:32 | Fix compiler warnings. (check-in: d1a0783854 user: drh tags: vtab-onepass) | |
11:59 | Merge latest trunk change into this branch. (check-in: b519c0d67a user: dan tags: vtab-onepass) | |
11:57 | Change the name of the new sqlite3_index_info.flags field to "idxFlags". Add documentation for the same to sqlite.h.in. (check-in: f61203bc0f user: dan tags: vtab-onepass) | |
2015-09-28
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17:05 | Extra information provided by .wheretrace on input flags to the query planner and on the result of sqlite3WhereOkOnePass(). (check-in: c5566bb39c user: drh tags: trunk) | |
Changes
Changes to src/where.c.
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83 84 85 86 87 88 89 90 91 92 93 94 95 96 | ** Any cursors returned will have been opened for writing. ** ** aiCur[0] and aiCur[1] both get -1 if the where-clause logic is ** unable to use the ONEPASS optimization. */ int sqlite3WhereOkOnePass(WhereInfo *pWInfo, int *aiCur){ memcpy(aiCur, pWInfo->aiCurOnePass, sizeof(int)*2); return pWInfo->eOnePass; } /* ** Move the content of pSrc into pDest */ static void whereOrMove(WhereOrSet *pDest, WhereOrSet *pSrc){ | > > > > > > > | 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | ** Any cursors returned will have been opened for writing. ** ** aiCur[0] and aiCur[1] both get -1 if the where-clause logic is ** unable to use the ONEPASS optimization. */ int sqlite3WhereOkOnePass(WhereInfo *pWInfo, int *aiCur){ memcpy(aiCur, pWInfo->aiCurOnePass, sizeof(int)*2); #ifdef WHERETRACE_ENABLED if( sqlite3WhereTrace && pWInfo->eOnePass!=ONEPASS_OFF ){ sqlite3DebugPrintf("%s cursors: %d %d\n", pWInfo->eOnePass==ONEPASS_SINGLE ? "ONEPASS_SINGLE" : "ONEPASS_MULTI", aiCur[0], aiCur[1]); } #endif return pWInfo->eOnePass; } /* ** Move the content of pSrc into pDest */ static void whereOrMove(WhereOrSet *pDest, WhereOrSet *pSrc){ |
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4116 4117 4118 4119 4120 4121 4122 | /* Try to ORDER BY the result set to make distinct processing easier */ pWInfo->wctrlFlags |= WHERE_DISTINCTBY; pWInfo->pOrderBy = pResultSet; } } /* Construct the WhereLoop objects */ | | > | 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 | /* Try to ORDER BY the result set to make distinct processing easier */ pWInfo->wctrlFlags |= WHERE_DISTINCTBY; pWInfo->pOrderBy = pResultSet; } } /* Construct the WhereLoop objects */ WHERETRACE(0xffff,("*** Optimizer Start *** (wctrlFlags: 0x%x)\n", wctrlFlags)); #if defined(WHERETRACE_ENABLED) if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */ int i; for(i=0; i<sWLB.pWC->nTerm; i++){ whereTermPrint(&sWLB.pWC->a[i], i); } } |
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