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Add opcodes OP_ResultRow and OP_RegMakeRec which are register-based

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equivalents to OP_Callback and OP_MakeRecord.  Use the new opcodes. (CVS 4656)

FossilOrigin-Name: 4c7f35da7751c61a9b61b1d95adddcc37fff3266
This commit is contained in:
drh
2008-01-02 14:28:13 +00:00
parent 2f6751f91e
commit a2a49dc9df
6 changed files with 96 additions and 47 deletions
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9
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 1.322 2008/01/02 00:34:37 drh Exp $
** $Id: expr.c,v 1.323 2008/01/02 14:28:13 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -1798,14 +1798,14 @@ void sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
*/
static const Token one = { (u8*)"1", 0, 1 };
Select *pSel;
int iMem;
int sop;
int iMem;
pExpr->iColumn = iMem = pParse->nMem++;
pSel = pExpr->pSelect;
iMem = pParse->nMem++;
if( pExpr->op==TK_SELECT ){
sop = SRT_Mem;
sqlite3VdbeAddOp(v, OP_MemNull, iMem, 0);
sqlite3VdbeAddOp(v, OP_MemNull, 0, iMem);
VdbeComment((v, "Init subquery result"));
}else{
sop = SRT_Exists;
@@ -1817,6 +1817,7 @@ void sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
if( sqlite3Select(pParse, pSel, sop, iMem, 0, 0, 0, 0) ){
return;
}
pExpr->iColumn = iMem;
break;
}
}