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Increase test coverage of alter.c to 100%. Fix bugs found in the process. (CVS 2603)

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FossilOrigin-Name: b550d04d43a92f33a01438ae03df14678db3cdee
This commit is contained in:
drh
2005-08-19 19:14:12 +00:00
parent f14fd03899
commit 0bbaa1ba9a
5 changed files with 138 additions and 11 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 1.163 2005/08/19 00:14:42 drh Exp $
** $Id: where.c,v 1.164 2005/08/19 19:14:13 drh Exp $
*/
#include "sqliteInt.h"
@@ -525,6 +525,7 @@ static void exprAnalyze(
int nPattern;
int isComplete;
if( sqlite3_malloc_failed ) return;
prereqLeft = exprTableUsage(pMaskSet, pExpr->pLeft);
pTerm->prereqRight = exprTableUsage(pMaskSet, pExpr->pRight);
pTerm->prereqAll = prereqAll = exprTableUsage(pMaskSet, pExpr);
@@ -1383,6 +1384,9 @@ WhereInfo *sqlite3WhereBegin(
createMask(&maskSet, pTabList->a[i].iCursor);
}
exprAnalyzeAll(pTabList, &maskSet, &wc);
if( sqlite3_malloc_failed ){
goto whereBeginNoMem;
}
/* Chose the best index to use for each table in the FROM clause.
**