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Add simple tests for the xFilter and xBestIndex methods. (CVS 3227)

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FossilOrigin-Name: 0f4657ea69314e49bc7c9faf9a653ef072f5082d
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danielk1977
2006-06-13 14:16:58 +00:00
parent 954f6b4763
commit 5fac9f86eb
7 changed files with 295 additions and 70 deletions
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6
src/where.c
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@@ -16,7 +16,7 @@
** 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 1.212 2006/06/13 01:04:53 drh Exp $
** $Id: where.c,v 1.213 2006/06/13 14:16:59 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -1842,6 +1842,8 @@ WhereInfo *sqlite3WhereBegin(
#ifndef SQLITE_OMIT_VIRTUALTABLE
if( pLevel->pIdxInfo ){
char *zSpace; /* Space for OP_VFilter to marshall it's arguments */
/* Case 0: That table is a virtual-table. Use the VFilter and VNext.
*/
sqlite3_index_info *pIdxInfo = pLevel->pIdxInfo;
@@ -1858,6 +1860,8 @@ WhereInfo *sqlite3WhereBegin(
sqlite3VdbeAddOp(v, OP_Integer, i-1, 0);
sqlite3VdbeAddOp(v, OP_Integer, pIdxInfo->idxNum, 0);
sqlite3VdbeAddOp(v, OP_VFilter, iCur, brk);
zSpace = (char *)sqliteMalloc(sizeof(sqlite3_value*)*(i-1));
sqlite3VdbeChangeP3(v, -1, zSpace, P3_DYNAMIC);
for(i=0; i<pIdxInfo->nConstraint; i++){
if( pIdxInfo->aConstraintUsage[i].omit ){
disableTerm(pLevel, &wc.a[i]);