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Implement the out2-prerelease opcode design pattern. (CVS 4681)

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FossilOrigin-Name: fe057a88d0038ac349ea41883b979ceba6ae410a
This commit is contained in:
drh
2008-01-04 22:01:03 +00:00
parent d298151587
commit 4c583128bd
15 changed files with 214 additions and 303 deletions
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12
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 1.329 2008/01/03 23:44:53 drh Exp $
** $Id: expr.c,v 1.330 2008/01/04 22:01:03 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -1608,7 +1608,7 @@ int sqlite3FindInIndex(Parse *pParse, Expr *pX, int mustBeUnique){
sqlite3VdbeAddOp1(v, OP_MemLoad, iMem);
iAddr = sqlite3VdbeAddOp2(v, OP_If, 0, iMem);
sqlite3VdbeAddOp2(v, OP_MemInt, 1, iMem);
sqlite3VdbeAddOp2(v, OP_Integer, 1, iMem);
sqlite3OpenTable(pParse, iTab, iDb, pTab, OP_OpenRead);
eType = IN_INDEX_ROWID;
@@ -1645,7 +1645,7 @@ int sqlite3FindInIndex(Parse *pParse, Expr *pX, int mustBeUnique){
sqlite3VdbeAddOp1(v, OP_MemLoad, iMem);
iAddr = sqlite3VdbeAddOp2(v, OP_If, 0, iMem);
sqlite3VdbeAddOp2(v, OP_MemInt, 1, iMem);
sqlite3VdbeAddOp2(v, OP_Integer, 1, iMem);
sqlite3VdbeAddOp4(v, OP_OpenRead, iTab, pIdx->tnum, iDb,
pKey,P4_KEYINFO_HANDOFF);
@@ -1703,7 +1703,7 @@ void sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
sqlite3VdbeAddOp1(v, OP_MemLoad, mem);
testAddr = sqlite3VdbeAddOp0(v, OP_If);
assert( testAddr>0 || pParse->db->mallocFailed );
sqlite3VdbeAddOp2(v, OP_MemInt, 1, mem);
sqlite3VdbeAddOp2(v, OP_Integer, 1, mem);
}
switch( pExpr->op ){
@@ -1807,11 +1807,11 @@ void sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
dest.iParm = ++pParse->nMem;
if( pExpr->op==TK_SELECT ){
dest.eDest = SRT_Mem;
sqlite3VdbeAddOp2(v, OP_MemNull, 0, dest.iParm);
sqlite3VdbeAddOp2(v, OP_Null, 0, dest.iParm);
VdbeComment((v, "Init subquery result"));
}else{
dest.eDest = SRT_Exists;
sqlite3VdbeAddOp2(v, OP_MemInt, 0, dest.iParm);
sqlite3VdbeAddOp2(v, OP_Integer, 0, dest.iParm);
VdbeComment((v, "Init EXISTS result"));
}
sqlite3ExprDelete(pSel->pLimit);