Back-patch fix for failure to dump views containing FULL JOIN USING.

The bug is not present in CVS tip due to cleanup of JOIN handling,
but 7.2.* is broken.

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 873137ea66d2de53856a832e7cc5ab34ed4c283b..58a7f918e6c62c5acdccdd4eb222b30134b00b98 100644 (file)
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -3,7 +3,7 @@
  *                             back to source text
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.89.2.1 2002/06/15 18:38:10 tgl Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.89.2.2 2002/09/20 21:37:07 tgl Exp $
  *
  *       This software is copyrighted by Jan Wieck - Hamburg.
  *
@@ -1611,6 +1611,17 @@ phony_equal(Node *expr1, Node *expr2, int levelsup)
                        return false;
                return true;
        }
+       if (IsA(expr1, NullTest))
+       {
+               NullTest   *a = (NullTest *) expr1;
+               NullTest   *b = (NullTest *) expr2;
+
+               if (!phony_equal(a->arg, b->arg, levelsup))
+                       return false;
+               if (a->nulltesttype != b->nulltesttype)
+                       return false;
+               return true;
+       }
        if (IsA(expr1, Expr))
        {
                Expr       *a = (Expr *) expr1;