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Modify the {quote: IdxDelete} opcode so that it takes an array of registers rather

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than a record formed using {quote: MakeRecord.}  This avoids a needless packing
and unpacking of the record to be deleted. (CVS 4916)

FossilOrigin-Name: ee381b43563e1b0637ee74389d076dff77deddf9
This commit is contained in:
drh
2008-03-25 17:23:32 +00:00
parent 4e1ddde370
commit e14006d0de
14 changed files with 154 additions and 214 deletions
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9
src/select.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle SELECT statements in SQLite.
**
** $Id: select.c,v 1.418 2008/03/25 09:47:35 danielk1977 Exp $
** $Id: select.c,v 1.419 2008/03/25 17:23:33 drh Exp $
*/
#include "sqliteInt.h"
@@ -598,12 +598,7 @@ static void selectInnerLoop(
** the temporary table iParm.
*/
case SRT_Except: {
int r1;
r1 = sqlite3GetTempReg(pParse);
sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nColumn, r1);
sqlite3VdbeChangeP4(v, -1, aff, P4_STATIC);
sqlite3VdbeAddOp2(v, OP_IdxDelete, iParm, r1);
sqlite3ReleaseTempReg(pParse, r1);
sqlite3VdbeAddOp3(v, OP_IdxDelete, iParm, regResult, nColumn);
break;
}
#endif