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

VDBE cursors numbers for tables in a join do not have to be consecutive.

Browse Source 
This is one step on the road to fixing ticket #272. (CVS 947)

FossilOrigin-Name: be7aed2011b4af868b6a0c370c3d41354ae0cdf4
This commit is contained in:
drh
2003-05-02 14:32:12 +00:00
parent 56e452cf3a
commit 6a3ea0e6ef
15 changed files with 315 additions and 322 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/auth.c
View File

@@ -14,7 +14,7 @@
** systems that do not need this facility may omit it by recompiling
** the library with -DSQLITE_OMIT_AUTHORIZATION=1
**
** $Id: auth.c,v 1.8 2003/04/25 17:52:11 drh Exp $
** $Id: auth.c,v 1.9 2003/05/02 14:32:13 drh Exp $
*/
#include "sqliteInt.h"
@@ -76,8 +76,8 @@ static void sqliteAuthBadReturnCode(Parse *pParse, int rc){
/*
** The pExpr should be a TK_COLUMN expression. The table referred to
** is in pTabList with an offset of base. Check to see if it is OK to read
** this particular column.
** is in pTabList or else it is the NEW or OLD table of a trigger.
** Check to see if it is OK to read this particular column.
**
** If the auth function returns SQLITE_IGNORE, change the TK_COLUMN
** instruction into a TK_NULL. If the auth function returns SQLITE_DENY,
@@ -86,8 +86,7 @@ static void sqliteAuthBadReturnCode(Parse *pParse, int rc){
void sqliteAuthRead(
Parse *pParse, /* The parser context */
Expr *pExpr, /* The expression to check authorization on */
SrcList *pTabList, /* All table that pExpr might refer to */
int base /* Offset of pTabList relative to pExpr */
SrcList *pTabList /* All table that pExpr might refer to */
){
sqlite *db = pParse->db;
int rc;
@@ -98,7 +97,9 @@ void sqliteAuthRead(
if( db->xAuth==0 ) return;
assert( pExpr->op==TK_COLUMN );
iSrc = pExpr->iTable - base;
for(iSrc=0; iSrc<pTabList->nSrc; iSrc++){
if( pExpr->iTable==pTabList->a[iSrc].iCursor ) break;
}
if( iSrc>=0 && iSrc<pTabList->nSrc ){
pTab = pTabList->a[iSrc].pTab;
}else{