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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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8
src/insert.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.206 2008/01/03 17:31:45 danielk1977 Exp $
** $Id: insert.c,v 1.207 2008/01/03 18:03:09 drh Exp $
*/
#include "sqliteInt.h"
@@ -146,7 +146,7 @@ static int readsTable(Vdbe *v, int iStartAddr, int iDb, Table *pTab){
** This routine returns the index of the mem[] cell that contains
** the maximum rowid counter.
**
** Two memory cells are allocated. The next memory cell after the
** Two memory cells are allocated. The next memory cell befor the
** one returned holds the rowid in sqlite_sequence where we will
** write back the revised maximum rowid.
*/
@@ -163,8 +163,8 @@ static int autoIncBegin(
int addr;
assert( v );
addr = sqlite3VdbeCurrentAddr(v);
memId = pParse->nMem+1;
pParse->nMem += 2;
memId = pParse->nMem;
sqlite3OpenTable(pParse, iCur, iDb, pDb->pSchema->pSeqTab, OP_OpenRead);
sqlite3VdbeAddOp2(v, OP_Rewind, iCur, addr+12);
sqlite3VdbeAddOp2(v, OP_Column, iCur, 0);
@@ -618,7 +618,7 @@ void sqlite3Insert(
/* Initialize the count of rows to be inserted
*/
if( db->flags & SQLITE_CountRows ){
iCntMem = pParse->nMem++;
iCntMem = ++pParse->nMem;
sqlite3VdbeAddOp2(v, OP_MemInt, 0, iCntMem);
}