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Overview
| Comment: | Fix for optimization of DISTINCT. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | nextgen-query-planner |
| Files: | files | file ages | folders |
| SHA1: |
ed333d20c765c307b2a7b94438016c1a |
| User & Date: | dan 2013-07-20 20:20:39 |
Context
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2013-07-22
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| 12:50 | Merge the NGQP branch back into trunk. Currently 12 tests are failing in src4.test (all errors are artifacts of the test code). check-in: 4af30d63ec user: dan tags: trunk | |
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2013-07-20
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| 20:20 | Fix for optimization of DISTINCT. Leaf check-in: ed333d20c7 user: dan tags: nextgen-query-planner | |
| 16:32 | Update test script e_fkey.test. check-in: dd9849225b user: dan tags: nextgen-query-planner | |
Changes
Changes to src/where.c.
5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 |
WhereMaskSet *pMaskSet; /* The expression mask set */ WhereLevel *pLevel; /* A single level in pWInfo->a[] */ WhereLoop *pLoop; /* Pointer to a single WhereLoop object */ int ii; /* Loop counter */ sqlite4 *db; /* Database connection */ int rc; /* Return code */ /* Variable initialization */ db = pParse->db; memset(&sWLB, 0, sizeof(sWLB)); sWLB.pOrderBy = pOrderBy; /* Disable the DISTINCT optimization if SQLITE4_DistinctOpt is set via |
> > |
5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 |
WhereMaskSet *pMaskSet; /* The expression mask set */ WhereLevel *pLevel; /* A single level in pWInfo->a[] */ WhereLoop *pLoop; /* Pointer to a single WhereLoop object */ int ii; /* Loop counter */ sqlite4 *db; /* Database connection */ int rc; /* Return code */ /* src4: In SQLite3, the caller would set this flag. */ if( pResultSet ) wctrlFlags |= WHERE_WANT_DISTINCT; /* Variable initialization */ db = pParse->db; memset(&sWLB, 0, sizeof(sWLB)); sWLB.pOrderBy = pOrderBy; /* Disable the DISTINCT optimization if SQLITE4_DistinctOpt is set via |