Fix for Group ReScan suggested by Vadim.

diff --git a/src/backend/executor/nodeGroup.c b/src/backend/executor/nodeGroup.c
index 8ea2174..cecae67 100644 (file)
--- 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);
 }