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Tatsuo Ishii fix for pg_user crash, with slight modification.

This commit is contained in:
Bruce Momjian 1998-09-11 16:39:59 +00:00
parent a752e322a3
commit 13b6f724c1
1 changed files with 8 additions and 5 deletions
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13
src/backend/rewrite/rewriteManip.c
View File

@ -6,7 +6,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteManip.c,v 1.17 1998/09/01 04:31:35 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteManip.c,v 1.18 1998/09/11 16:39:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -614,9 +614,8 @@ nodeHandleViewRule(Node **nodePtr,
var->varattno));
if (n == NULL)
*nodePtr = make_null(((Var *) node)->vartype);
else
{
/*
* This is a hack: The varlevelsup of the orignal
* variable and the new one should be the same.
@ -628,12 +627,16 @@ nodeHandleViewRule(Node **nodePtr,
* before! (Maybe this will cause troubles with
* some sophisticated queries on views?)
*/
{
if (this_varlevelsup > 0)
*nodePtr = copyObject(n);
else
*nodePtr = n;
((Var *) *nodePtr)->varlevelsup = this_varlevelsup;
if (nodeTag(nodePtr) == T_Var)
((Var *) *nodePtr)->varlevelsup = this_varlevelsup;
else
nodeHandleViewRule(&n, rtable, targetlist,
rt_index, modified, sublevels_up);
}
*modified = TRUE;
}