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Change the OP_Insert opcode to read the key and data to insert from memory cells, not the stack. (CVS 4666)

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FossilOrigin-Name: 46501f490a5f5577ea31c758df749e02c7c65f39
This commit is contained in:
danielk1977
2008-01-03 09:51:55 +00:00
parent 11641c1136
commit 1f4aa337cd
13 changed files with 108 additions and 79 deletions
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18
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 1.141 2008/01/03 07:54:24 danielk1977 Exp $
** $Id: delete.c,v 1.142 2008/01/03 09:51:55 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -60,6 +60,20 @@ int sqlite3IsReadOnly(Parse *pParse, Table *pTab, int viewOk){
return 0;
}
/*
** This function is a temporary measure required because OP_Insert now
** reads the key and data to insert from memory cells.
*/
void sqlite3CodeInsert(Parse *p, int iCur, u8 flags){
int iData = p->nMem++;
int iKey = p->nMem++;
Vdbe *v = sqlite3GetVdbe(p);
sqlite3VdbeAddOp2(v, OP_MemStore, iData, 1);
sqlite3VdbeAddOp2(v, OP_MemStore, iKey, 1);
sqlite3VdbeAddOp3(v, OP_Insert, iCur, iData, iKey);
sqlite3VdbeChangeP5(v, sqlite3VdbeCurrentAddr(v)-1, flags);
}
/*
** Generate code that will open a table for reading.
*/
@@ -325,7 +339,7 @@ void sqlite3DeleteFrom(
}else{
sqlite3VdbeAddOp0(v, OP_Null);
}
sqlite3VdbeAddOp1(v, OP_Insert, oldIdx);
sqlite3CodeInsert(pParse, oldIdx, 0);
/* Jump back and run the BEFORE triggers */
sqlite3VdbeAddOp2(v, OP_Goto, 0, iBeginBeforeTrigger);