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Fix the CSE mechanism so that it takes into account column affinity

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changes that might be imposed by comparison operators. (CVS 4949)

FossilOrigin-Name: 91cc646e2b0c1d62a1989405cc9384a2c22d98d0
This commit is contained in:
drh
2008-04-01 05:07:14 +00:00
parent 2f7794c111
commit da250ea599
9 changed files with 106 additions and 73 deletions
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4
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 1.296 2008/03/31 23:48:05 drh Exp $
** $Id: where.c,v 1.297 2008/04/01 05:07:15 drh Exp $
*/
#include "sqliteInt.h"
@@ -1741,7 +1741,7 @@ static void buildIndexProbe(
assert( v!=0 );
sqlite3VdbeAddOp3(v, OP_MakeRecord, regSrc, nColumn, regDest);
sqlite3IndexAffinityStr(v, pIdx);
sqlite3ExprExpireColumnCacheLines(pParse, regSrc, regSrc+nColumn-1);
sqlite3ExprCacheAffinityChange(pParse, regSrc, nColumn);
}