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Overview
| Comment: | Fix bug in transfer of arguments from WHERE clause to virtual table xFilter() methods. (CVS 3305) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | cf41f2a33f94c6c94fb39ae6ffcd58bb |
| User & Date: | danielk1977 2006-06-27 12:16:56 |
Context
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2006-06-27
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| 12:24 | Additional documentation on the 3.3.0 file format change added to formatchng.html. (CVS 3306) check-in: 955551ca user: drh tags: trunk | |
| 12:16 | Fix bug in transfer of arguments from WHERE clause to virtual table xFilter() methods. (CVS 3305) check-in: cf41f2a3 user: danielk1977 tags: trunk | |
| 11:14 | Move older news items to the oldnews.html page. (CVS 3304) check-in: 80163ded 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 1.226 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) ................................................................................ const struct sqlite3_index_constraint *aConstraint = pBestIdx->aConstraint; for(j=1; j<=nConstraint; j++){ int k; for(k=0; k<nConstraint; k++){ if( aUsage[k].argvIndex==j ){ int iTerm = aConstraint[j-1].iTermOffset; sqlite3ExprCode(pParse, wc.a[iTerm].pExpr->pRight); break; } } if( k==nConstraint ) break; } sqlite3VdbeAddOp(v, OP_Integer, j-1, 0); |
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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 1.227 2006/06/27 12:16:56 danielk1977 Exp $ */ #include "sqliteInt.h" /* ** The number of bits in a Bitmask. "BMS" means "BitMask Size". */ #define BMS (sizeof(Bitmask)*8) ................................................................................ const struct sqlite3_index_constraint *aConstraint = pBestIdx->aConstraint; for(j=1; j<=nConstraint; j++){ int k; for(k=0; k<nConstraint; k++){ if( aUsage[k].argvIndex==j ){ int iTerm = aConstraint[k].iTermOffset; sqlite3ExprCode(pParse, wc.a[iTerm].pExpr->pRight); break; } } if( k==nConstraint ) break; } sqlite3VdbeAddOp(v, OP_Integer, j-1, 0); |