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Registers (aka memory cells) in the VM are now numbered starting with 1

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instead of 0.  A register number of 0 means "no such register". (CVS 4669)

FossilOrigin-Name: 0b849805c3a0f562d50623f406279b400d335639
This commit is contained in:
drh
2008-01-03 18:03:08 +00:00
parent 2a339ff677
commit 0a07c107a6
14 changed files with 110 additions and 111 deletions
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6
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 1.153 2008/01/03 17:31:45 danielk1977 Exp $
** $Id: update.c,v 1.154 2008/01/03 18:03:09 drh Exp $
*/
#include "sqliteInt.h"
@@ -268,7 +268,7 @@ void sqlite3Update(
if( v==0 ) goto update_cleanup;
if( pParse->nested==0 ) sqlite3VdbeCountChanges(v);
sqlite3BeginWriteOperation(pParse, 1, iDb);
mem1 = pParse->nMem++;
mem1 = ++pParse->nMem;
#ifndef SQLITE_OMIT_VIRTUALTABLE
/* Virtual tables must be handled separately */
@@ -353,7 +353,7 @@ void sqlite3Update(
/* Initialize the count of updated rows
*/
if( db->flags & SQLITE_CountRows && !pParse->trigStack ){
memCnt = pParse->nMem++;
memCnt = ++pParse->nMem;
sqlite3VdbeAddOp2(v, OP_MemInt, 0, memCnt);
}