database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-14 18:42:34 +03:00
Code Activity

Replaced targetlist entry in GroupClause by reference number

Browse Source 
in Resdom and GroupClause so changing of resno's doesn't confuse
the grouping any more.

Jan
This commit is contained in:
Jan Wieck
1999-05-12 15:02:39 +00:00
parent 1a87c14c9c
commit 79c2576f77
22 changed files with 242 additions and 199 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/backend/utils/adt/ruleutils.c
View File

@ -3,7 +3,7 @@
* out of it's tuple
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.11 1999/05/10 00:45:59 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.12 1999/05/12 15:01:58 wieck Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -1263,9 +1263,23 @@ get_rule_expr(QryHier *qh, int rt_index, Node *node, bool varprefix)
case T_GroupClause:
{
GroupClause *grp = (GroupClause *) node;
List *l;
TargetEntry *tle = NULL;
return get_rule_expr(qh, rt_index,
(Node *) (grp->entry), varprefix);
foreach(l, qh->query->targetList)
{
if (((TargetEntry *)lfirst(l))->resdom->resgroupref ==
grp->tleGroupref)
{
tle = (TargetEntry *)lfirst(l);
break;
}
}
if (tle == NULL)
elog(ERROR, "GROUP BY expression not found in targetlist");
return get_rule_expr(qh, rt_index, (Node *)tle, varprefix);
}
break;
@ -1738,12 +1752,7 @@ check_if_rte_used(int rt_index, Node *node, int sup)
break;
case T_GroupClause:
{
GroupClause *grp = (GroupClause *) node;
return check_if_rte_used(rt_index,
(Node *) (grp->entry), sup);
}
return FALSE;
break;
case T_Expr: