Reversed out group by patch.

diff --git a/src/backend/executor/nodeGroup.c b/src/backend/executor/nodeGroup.c
index 196d347df43ef75eb1a28d1a34b78e1e4544c07a..a0c9725c2f62f90fe7987f5145fb1be776ed6ca9 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 1.12 1998/01/26 00:21:02 scrappy Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.13 1998/01/27 15:41:32 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -415,11 +415,8 @@ sameGroup(TupleTableSlot *oldslot,
 
                if (isNull1 == isNull2)
                {
-                       /* both are null, they are _not_ equal since
-                        * NULL is not equal to NULL (or anything).
-                        *   --  25 Jan 1998  --  darrenk */
-                       if (isNull1)
-                               return FALSE;
+                       if (isNull1)            /* both are null, they are equal */
+                               continue;
 
                        val1 = fmgr(typoutput, attr1,
                                                gettypelem(tupdesc->attrs[att - 1]->atttypid));