From ee4ae6ceb2e5722d1c4c2d5888f7697141d6a046 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Wed, 3 Sep 2003 22:17:07 +0000
Subject: [PATCH] Add note that a for loop where the lower bound is greater
than the upper bound is valid but does nothing.
suggested by Richard Huxton <dev@archonet.com>
---
doc/src/sgml/plpgsql.sgml | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/doc/src/sgml/plpgsql.sgml b/doc/src/sgml/plpgsql.sgml
index 4cf4d6c31aa..e9573736ab7 100644
--- a/doc/src/sgml/plpgsql.sgml
+++ b/doc/src/sgml/plpgsql.sgml
@@ -1,5 +1,5 @@
<!--
-$Header: /cvsroot/pgsql/doc/src/sgml/plpgsql.sgml,v 1.21 2003/08/31 17:32:19 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/plpgsql.sgml,v 1.22 2003/09/03 22:17:07 petere Exp $
-->
<chapter id="plpgsql">
@@ -1669,6 +1669,11 @@ FOR i IN REVERSE 10..1 LOOP
END LOOP;
</programlisting>
</para>
+
+ <para>
+ If the lower bound is greater than the upper bound, the loop body is not
+ executed at all, but no error is raised.
+ </para>
</sect3>
</sect2>
--
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