Fix copy for no aggregates.

diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 30d3e57fafd682dea45f1d178ea2c8783da0c742..9af6dd491e7fc069102b3dde3d0fea165d3cf22b 100644 (file)
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *   $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.20 1997/12/18 12:53:48 momjian Exp $
+ *   $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.21 1997/12/18 19:13:49 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1542,11 +1542,16 @@ _copyQuery(Query *from)
    Node_Copy(from, newnode, havingQual); /* currently ignored */
 
    newnode->qry_numAgg = from->qry_numAgg;
-   newnode->qry_aggs =
-       (Aggreg **) palloc(sizeof(Aggreg *) * from->qry_numAgg);
-   for (i=0; i < from->qry_numAgg; i++)
-       newnode->qry_aggs[i] = _copyAggreg(from->qry_aggs[i]);
-
+   if (from->qry_numAgg != NULL)
+   {
+       newnode->qry_aggs =
+           (Aggreg **) palloc(sizeof(Aggreg *) * from->qry_numAgg);
+       for (i=0; i < from->qry_numAgg; i++)
+           newnode->qry_aggs[i] = _copyAggreg(from->qry_aggs[i]);
+   }
+   else
+       newnode->query_aggs = NULL;
+       
    return newnode;
 }