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Use a vdbe memory cell to allocate the space required for vdbe cursors. (CVS 4912)

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FossilOrigin-Name: 047153648155654b0cd70b811935209d2e21776c
This commit is contained in:
danielk1977
2008-03-25 09:47:35 +00:00
parent 1e968a0cbf
commit cd3e8f7ce9
18 changed files with 251 additions and 177 deletions
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6
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 1.162 2008/03/19 20:42:14 drh Exp $
** $Id: delete.c,v 1.163 2008/03/25 09:47:35 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -75,9 +75,9 @@ void sqlite3OpenTable(
v = sqlite3GetVdbe(p);
assert( opcode==OP_OpenWrite || opcode==OP_OpenRead );
sqlite3TableLock(p, iDb, pTab->tnum, (opcode==OP_OpenWrite), pTab->zName);
sqlite3VdbeAddOp2(v, OP_SetNumColumns, 0, pTab->nCol);
sqlite3VdbeAddOp3(v, opcode, iCur, pTab->tnum, iDb);
VdbeComment((v, "%s", pTab->zName));
sqlite3VdbeAddOp2(v, OP_SetNumColumns, iCur, pTab->nCol);
}
@@ -322,8 +322,8 @@ void sqlite3DeleteFrom(
/* Open the pseudo-table used to store OLD if there are triggers.
*/
if( triggers_exist ){
sqlite3VdbeAddOp2(v, OP_SetNumColumns, 0, pTab->nCol);
sqlite3VdbeAddOp1(v, OP_OpenPseudo, oldIdx);
sqlite3VdbeAddOp2(v, OP_SetNumColumns, oldIdx, pTab->nCol);
}
/* Delete every item whose key was written to the list during the