From cf9fd800ec07f4bab09dced6b1bb2b162bdcc457 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Sun, 11 Jul 2004 23:23:43 +0000
Subject: [PATCH] Example for create function using argument names

Gavin Sherry
---
 doc/src/sgml/ref/create_function.sgml | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/doc/src/sgml/ref/create_function.sgml b/doc/src/sgml/ref/create_function.sgml
index f88bc0af956..2c43fe9b460 100644
--- a/doc/src/sgml/ref/create_function.sgml
+++ b/doc/src/sgml/ref/create_function.sgml
@@ -1,5 +1,5 @@
 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.57 2004/06/25 07:05:34 dennis Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.58 2004/07/11 23:23:43 momjian Exp $
 -->
 
 <refentry id="SQL-CREATEFUNCTION">
@@ -398,6 +398,17 @@ CREATE FUNCTION add(integer, integer) RETURNS integer
     LANGUAGE SQL
     IMMUTABLE
     RETURNS NULL ON NULL INPUT;
+</programlisting>
+  </para>
+
+  <para>
+   Increment an integer, making use of an argument name, in PL/PgSQL:
+
+<programlisting>
+CREATE OR REPLACE FUNCTION increment(i integer) RETURNS integer AS '
+	BEGIN
+		RETURN i + 1;
+	END;' LANGUAGE plpgsql;
 </programlisting>
   </para>
  </refsect1>