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Fixes for OMIT_SUBQUERY builds: Disable where clause OR->IN optimization. Include EXISTS keyword (for new CREATE TABLE syntax). Test file fixes. (CVS 2943)

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FossilOrigin-Name: 8e79a0c24a03ccf960d6ccfb7c6b9b0f7c614e9b
This commit is contained in:
danielk1977
2006-01-14 08:02:28 +00:00
parent 79f27df664
commit 1576cd9251
17 changed files with 278 additions and 227 deletions
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7
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 1.197 2006/01/13 15:58:43 danielk1977 Exp $
** $Id: where.c,v 1.198 2006/01/14 08:02:28 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -643,7 +643,7 @@ static void exprAnalyze(
}
#endif /* SQLITE_OMIT_BETWEEN_OPTIMIZATION */
#ifndef SQLITE_OMIT_OR_OPTIMIZATION
#if !defined(SQLITE_OMIT_OR_OPTIMIZATION) && !defined(SQLITE_OMIT_SUBQUERY)
/* Attempt to convert OR-connected terms into an IN operator so that
** they can make use of indices. Example:
**
@@ -652,6 +652,9 @@ static void exprAnalyze(
** is converted into
**
** x IN (expr1,expr2,expr3)
**
** This optimization must be omitted if OMIT_SUBQUERY is defined because
** the compiler for the the IN operator is part of sub-queries.
*/
else if( pExpr->op==TK_OR ){
int ok;