From e2bc27565763e9119ba3e7de56064e37be1c8974 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Thu, 16 Jul 1998 02:58:09 +0000
Subject: [PATCH] Fix for Group ReScan suggested by Vadim.

---
 src/backend/executor/nodeGroup.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/backend/executor/nodeGroup.c b/src/backend/executor/nodeGroup.c
index 8ea2174d88..cecae67b78 100644
--- a/src/backend/executor/nodeGroup.c
+++ b/src/backend/executor/nodeGroup.c
@@ -13,7 +13,7 @@
  *	  columns. (ie. tuples from the same group are consecutive)
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.20 1998/07/16 01:49:18 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.21 1998/07/16 02:58:09 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -425,4 +425,8 @@ ExecReScanGroup(Group *node, ExprContext *exprCtxt, Plan *parent)
 
 	grpstate->grp_useFirstTuple = FALSE;
 	grpstate->grp_done = FALSE;
+
+	if (((Plan *) node)->lefttree &&
+		((Plan *) node)->lefttree->chgParam == NULL)
+		ExecReScan(((Plan *) node)->lefttree, exprCtxt, (Plan *) node);
 }