From ef7604fafa6538e6e6f3884cf7c8f59da47e3535 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Wed, 17 Feb 2010 01:48:51 +0000
Subject: [PATCH] Prevent #option dump from crashing on FORI statement with
 null step.  Reported by Pavel.

---
 src/pl/plpgsql/src/pl_funcs.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/pl/plpgsql/src/pl_funcs.c b/src/pl/plpgsql/src/pl_funcs.c
index 5a3b621a4ef..671ef47777a 100644
--- a/src/pl/plpgsql/src/pl_funcs.c
+++ b/src/pl/plpgsql/src/pl_funcs.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/pl/plpgsql/src/pl_funcs.c,v 1.79 2009/06/11 14:49:14 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/pl/plpgsql/src/pl_funcs.c,v 1.79.2.1 2010/02/17 01:48:51 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -798,10 +798,13 @@ dump_fori(PLpgSQL_stmt_fori *stmt)
 	printf("    upper = ");
 	dump_expr(stmt->upper);
 	printf("\n");
-	dump_ind();
-	printf("    step = ");
-	dump_expr(stmt->step);
-	printf("\n");
+	if (stmt->step)
+	{
+		dump_ind();
+		printf("    step = ");
+		dump_expr(stmt->step);
+		printf("\n");
+	}
 	dump_indent -= 2;
 
 	dump_stmts(stmt->body);