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Reuse registers better in the inner loop of a SELECT statement. (CVS 4719)

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FossilOrigin-Name: 5ba4e5adf638c6812a2813961ea30a11a670409c
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drh
2008-01-17 17:15:56 +00:00
parent 9cbf3425fb
commit d847eaad91
4 changed files with 40 additions and 35 deletions
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4
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 1.347 2008/01/17 16:22:15 drh Exp $
** $Id: expr.c,v 1.348 2008/01/17 17:15:56 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -2162,7 +2162,7 @@ static int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target){
r1 = sqlite3GetTempRange(pParse, nExpr);
sqlite3ExprCodeExprList(pParse, pList, r1);
}else{
nExpr = 0;
nExpr = r1 = 0;
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
/* Possibly overload the function if the first argument is