database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-08 14:02:16 +03:00
Code Activity

Use a intermediate table when inserting a TEMP table from a SELECT that

Browse Source 
reads from that same TEMP table.  Ticket #275. (CVS 895)

FossilOrigin-Name: 087d1e83af12b3a9aedd4945f02774a1043b1eb4
This commit is contained in:
drh
2003-04-03 01:50:44 +00:00
parent b95a8864c9
commit 048c530c01
6 changed files with 94 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/vdbe.c
View File

@@ -36,7 +36,7 @@
** in this file for details. If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.209 2003/03/20 01:16:59 drh Exp $
** $Id: vdbe.c,v 1.210 2003/04/03 01:50:45 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -603,17 +603,26 @@ void sqliteVdbeCompressSpace(Vdbe *p, int addr){
/*
** Search for the current program for the given opcode and P2
** value. Return 1 if found and 0 if not found.
** value. Return the address plus 1 if found and 0 if not found.
*/
int sqliteVdbeFindOp(Vdbe *p, int op, int p2){
int i;
assert( p->magic==VDBE_MAGIC_INIT );
for(i=0; i<p->nOp; i++){
if( p->aOp[i].opcode==op && p->aOp[i].p2==p2 ) return 1;
if( p->aOp[i].opcode==op && p->aOp[i].p2==p2 ) return i+1;
}
return 0;
}
/*
** Return the opcode for a given address.
*/
VdbeOp *sqliteVdbeGetOp(Vdbe *p, int addr){
assert( p->magic==VDBE_MAGIC_INIT );
assert( addr>=0 && addr<p->nOp );
return &p->aOp[addr];
}
/*
** The following group or routines are employed by installable functions
** to return their results.