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Cleanup and simplification of constraint processing. Simplifications

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to the VM for better test coverage. (CVS 4729)

FossilOrigin-Name: d9ebe9d78c558af050c44ac4437ce0ef8193a4a8
This commit is contained in:
drh
2008-01-19 03:35:58 +00:00
parent 1527ff4e52
commit a05a722f23
7 changed files with 176 additions and 213 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 1.405 2008/01/17 17:15:56 drh Exp $
** $Id: select.c,v 1.406 2008/01/19 03:35:59 drh Exp $
*/
#include "sqliteInt.h"
@@ -602,12 +602,11 @@ static int selectInnerLoop(
** the temporary table iParm.
*/
case SRT_Except: {
int addr, r1;
int r1;
r1 = sqlite3GetTempReg(pParse);
addr = sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nColumn, r1);
sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nColumn, r1);
sqlite3VdbeChangeP4(v, -1, aff, P4_STATIC);
sqlite3VdbeAddOp3(v, OP_NotFound, iParm, addr+3, r1);
sqlite3VdbeAddOp1(v, OP_Delete, iParm);
sqlite3VdbeAddOp2(v, OP_IdxDelete, iParm, r1);
sqlite3ReleaseTempReg(pParse, r1);
break;
}