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Fix a bug in the CAST operator associated with the column cache. (CVS 5866)

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FossilOrigin-Name: 1b6a5140446da896f69fddc8d1ea076815bb45e3
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drh
2008-11-06 15:33:03 +00:00
parent 0793f1bdb4
commit 1735fa8892
4 changed files with 38 additions and 10 deletions
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6
src/expr.c
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@@ -12,7 +12,7 @@
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.400 2008/10/25 15:03:21 drh Exp $
** $Id: expr.c,v 1.401 2008/11/06 15:33:04 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -1864,6 +1864,10 @@ int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target){
testcase( to_op==OP_ToNumeric );
testcase( to_op==OP_ToInt );
testcase( to_op==OP_ToReal );
if( inReg!=target ){
sqlite3VdbeAddOp2(v, OP_SCopy, inReg, target);
inReg = target;
}
sqlite3VdbeAddOp1(v, to_op, inReg);
testcase( usedAsColumnCache(pParse, inReg, inReg) );
sqlite3ExprCacheAffinityChange(pParse, inReg, 1);