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Get rid of OP_Dup, OP_MemStore, OP_MemLoad, and OP_MemMove. Replace

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with OP_Copy, OP_SCopy, and OP_Move.  Add the infrastructure for
operation properties in1, in2, in3, out2, and out3 but do not yet
use any of these. (CVS 4682)

FossilOrigin-Name: cc149eb9ca3c672cc6fea3528353234ac2ed5745
This commit is contained in:
drh
2008-01-05 04:06:03 +00:00
parent 4c583128bd
commit b1fdb2adea
15 changed files with 285 additions and 201 deletions
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4
src/update.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle UPDATE statements.
**
** $Id: update.c,v 1.158 2008/01/04 22:01:03 drh Exp $
** $Id: update.c,v 1.159 2008/01/05 04:06:04 drh Exp $
*/
#include "sqliteInt.h"
@@ -456,7 +456,7 @@ void sqlite3Update(
** So make the cursor point at the old record.
*/
sqlite3VdbeAddOp3(v, OP_NotExists, iCur, addr, iRowid);
sqlite3VdbeAddOp2(v, OP_MemLoad, iRowid, 0);
sqlite3VdbeAddOp2(v, OP_SCopy, iRowid, 0);
/* If the record number will change, push the record number as it
** will be after the update. (The old record number is currently