Check for null pointer returned from get_opname().

diff --git a/src/backend/nodes/print.c b/src/backend/nodes/print.c
index d544efb8d9029c7ae1913a6d9c6a5f40378d4a58..585144007f0d7ff60a0ccce384ecf20d4d75c8cc 100644 (file)
--- a/src/backend/nodes/print.c
+++ b/src/backend/nodes/print.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/nodes/print.c,v 1.16 1998/07/15 14:54:33 momjian Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/nodes/print.c,v 1.17 1998/08/16 05:35:35 thomas Exp $
  *
  * HISTORY
  *       AUTHOR                        DATE                    MAJOR EVENT
@@ -201,7 +201,7 @@ print_expr(Node *expr, List *rtable)
 
                        print_expr((Node *) get_leftop(e), rtable);
                        opname = get_opname(((Oper *) e->oper)->opno);
-                       printf(" %s ", opname);
+                       printf(" %s ", ((opname != NULL)? opname: "(invalid operator)"));
                        print_expr((Node *) get_rightop(e), rtable);
                }
                else