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Replace the VDBE Fifo object with the new RowSet object. (CVS 5977)

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FossilOrigin-Name: 39a0750b49cf55e9c0927169ca47db909f5c16ea
This commit is contained in:
drh
2008-12-04 20:40:10 +00:00
parent 947bd8091b
commit 3d4501e573
15 changed files with 407 additions and 258 deletions
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7
src/delete.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** in order to generate code for DELETE FROM statements.
**
** $Id: delete.c,v 1.187 2008/11/19 09:05:27 danielk1977 Exp $
** $Id: delete.c,v 1.188 2008/12/04 20:40:10 drh Exp $
*/
#include "sqliteInt.h"
@@ -390,6 +390,7 @@ void sqlite3DeleteFrom(
*/
{
int iRowid = ++pParse->nMem; /* Used for storing rowid values. */
int iRowSet = ++pParse->nMem; /* Register for rowset of rows to delete */
/* Begin the database scan
*/
@@ -399,7 +400,7 @@ void sqlite3DeleteFrom(
/* Remember the rowid of every item to be deleted.
*/
sqlite3VdbeAddOp2(v, IsVirtual(pTab) ? OP_VRowid : OP_Rowid, iCur, iRowid);
sqlite3VdbeAddOp1(v, OP_FifoWrite, iRowid);
sqlite3VdbeAddOp2(v, OP_RowSetAdd, iRowSet, iRowid);
if( db->flags & SQLITE_CountRows ){
sqlite3VdbeAddOp2(v, OP_AddImm, memCnt, 1);
}
@@ -434,7 +435,7 @@ void sqlite3DeleteFrom(
if( triggers_exist ){
sqlite3VdbeResolveLabel(v, addr);
}
addr = sqlite3VdbeAddOp2(v, OP_FifoRead, iRowid, end);
addr = sqlite3VdbeAddOp3(v, OP_RowSetRead, iRowSet, end, iRowid);
if( triggers_exist ){
int iData = ++pParse->nMem; /* For storing row data of OLD table */