Prevent #option dump from crashing on FORI statement with null step. Reported by...

diff --git a/src/pl/plpgsql/src/pl_funcs.c b/src/pl/plpgsql/src/pl_funcs.c
index dd2841e10ed330c5d37d0ae3b9d71b8c0fa0e5b6..1f1f1560e46ebe2e74c4455e70e9da09f024c004 100644 (file)
--- 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 1.67 2008/01/01 19:46:00 momjian Exp $
+ *   $PostgreSQL: pgsql/src/pl/plpgsql/src/pl_funcs.c,v 1.67.2.1 2010/02/17 01:48:58 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -749,10 +749,13 @@ 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);