pname=NULL -> pname="" (stringinfo.c:appendStringInfo doesn't like NULL).

diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c
index 3a5250c8409c3938305b9a39dbdd0af22c3ada14..f1ca55872dc5525b23cc063a3bac9232286f7b59 100644 (file)
--- a/src/backend/commands/explain.c
+++ b/src/backend/commands/explain.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.4 1996/11/06 08:21:35 scrappy Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.5 1996/12/03 05:50:11 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -159,7 +159,7 @@ explain_outNode(StringInfo str, Plan *plan, int indent, ExplainState *es)
        pname = "Tee";
        break;
     default:
-       pname = NULL;
+       pname = "";
        break;
     }