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Overview
| Comment: | Make sure that MATCH terms that a virtual table says should be omitted really are omitted. (CVS 3302) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
3e1f5567dfd306bdb97275a32afd02ea |
| User & Date: | drh 2006-06-27 02:36:58 |
Context
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2006-06-27
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| 07:34 | In test code, always use sqlite3_free() instead of free() to free error messages returned by sqlite3_exec(). (CVS 3303) check-in: 6521ee5f user: danielk1977 tags: trunk | |
| 02:36 | Make sure that MATCH terms that a virtual table says should be omitted really are omitted. (CVS 3302) check-in: 3e1f5567 user: drh tags: trunk | |
| 02:33 | Cleanup and refactor parts of the optimizer. (CVS 3301) check-in: 6609c25f user: drh tags: trunk | |
Changes
Changes to src/where.c.
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** This module contains C code that generates VDBE code used to process ** the WHERE clause of SQL statements. This module is reponsible for ** generating the code that loops through a table looking for applicable ** rows. Indices are selected and used to speed the search when doing ** so is applicable. Because this module is responsible for selecting ** indices, you might also think of this module as the "query optimizer". ** ** $Id: where.c,v 1.225 2006/06/27 02:33:40 drh Exp $ */ #include "sqliteInt.h" /* ** The number of bits in a Bitmask. "BMS" means "BitMask Size". */ #define BMS (sizeof(Bitmask)*8) ................................................................................ idxNew = whereClauseInsert(pWC, pNewExpr, TERM_VIRTUAL|TERM_DYNAMIC); pNewTerm = &pWC->a[idxNew]; pNewTerm->prereqRight = prereqExpr; pNewTerm->leftCursor = pLeft->iTable; pNewTerm->leftColumn = pLeft->iColumn; pNewTerm->eOperator = WO_MATCH; pNewTerm->iParent = idxTerm; pTerm = &pWC->a[idxNew]; pTerm->nChild = 1; pTerm->flags |= TERM_COPIED; pNewTerm->prereqAll = pTerm->prereqAll; } } #endif /* SQLITE_OMIT_VIRTUALTABLE */ } |
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** This module contains C code that generates VDBE code used to process ** the WHERE clause of SQL statements. This module is reponsible for ** generating the code that loops through a table looking for applicable ** rows. Indices are selected and used to speed the search when doing ** so is applicable. Because this module is responsible for selecting ** indices, you might also think of this module as the "query optimizer". ** ** $Id: where.c,v 1.226 2006/06/27 02:36:58 drh Exp $ */ #include "sqliteInt.h" /* ** The number of bits in a Bitmask. "BMS" means "BitMask Size". */ #define BMS (sizeof(Bitmask)*8) ................................................................................ idxNew = whereClauseInsert(pWC, pNewExpr, TERM_VIRTUAL|TERM_DYNAMIC); pNewTerm = &pWC->a[idxNew]; pNewTerm->prereqRight = prereqExpr; pNewTerm->leftCursor = pLeft->iTable; pNewTerm->leftColumn = pLeft->iColumn; pNewTerm->eOperator = WO_MATCH; pNewTerm->iParent = idxTerm; pTerm = &pWC->a[idxTerm]; pTerm->nChild = 1; pTerm->flags |= TERM_COPIED; pNewTerm->prereqAll = pTerm->prereqAll; } } #endif /* SQLITE_OMIT_VIRTUALTABLE */ } |