X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org
Received: from localhost (unknown [200.46.204.2])
	by svr1.postgresql.org (Postfix) with ESMTP id 2AA32D1B19C
	for <pgsql-sql-postgresql.org@localhost.postgresql.org>;
	Wed, 19 May 2004 11:41:20 -0300 (ADT)
Received: from svr1.postgresql.org ([200.46.204.71])
	by localhost (neptune.hub.org [200.46.204.2]) (amavisd-new, port 10024)
	with ESMTP id 48507-02
	for <pgsql-sql-postgresql.org@localhost.postgresql.org>;
	Wed, 19 May 2004 11:41:03 -0300 (ADT)
Received: from p15124592.pureserver.info (p15124592.pureserver.info
	[217.160.181.164])
	by svr1.postgresql.org (Postfix) with ESMTP id 7EB00D1B258
	for <pgsql-sql@postgresql.org>; Wed, 19 May 2004 11:40:58 -0300 (ADT)
Received: from localhost (localhost [127.0.0.1])
	by p15124592.pureserver.info (Postfix) with ESMTP id 67A0117981
	for <pgsql-sql@postgresql.org>; Wed, 19 May 2004 16:41:01 +0200 (CEST)
Received: from sarge (p508A8EF0.dip0.t-ipconnect.de [80.138.142.240])
	by p15124592.pureserver.info (Postfix) with ESMTP id 7D2E91796E
	for <pgsql-sql@postgresql.org>; Wed, 19 May 2004 16:41:00 +0200 (CEST)
Received: from mk-os.de (unknown [192.168.0.210])
	by sarge (Postfix) with ESMTP id 6548E3EC05
	for <pgsql-sql@postgresql.org>; Wed, 19 May 2004 16:40:49 +0200 (CEST)
Message-ID: <40AB7272.2090605@mk-os.de>
Date: Wed, 19 May 2004 16:42:58 +0200
From: Martin Knipper <knipper@mk-os.de>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de-AT;
	rv:1.6) Gecko/20040113
X-Accept-Language: de-at, de, en-us, en
MIME-Version: 1.0
To: pgsql-sql@postgresql.org
Subject: Function valid only for one table
X-Enigmail-Version: 0.83.5.0
X-Enigmail-Supports: pgp-inline, pgp-mime
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Virus-Scanned: by AMaViS at MK-OS
X-Virus-Scanned: by amavisd-new at postgresql.org
X-Spam-Status: No, hits=0.2 tagged_above=0.0 required=5.0 tests=RCVD_IN_NJABL,
	RCVD_IN_SORBS
X-Spam-Level: 
X-Archive-Number: 200405/164
X-Sequence-Number: 17878

Hi there,

is it possible to define a function that is only valid in a context
of one table ?

For Example:

select someFunction() from someTable;
-> OK

select someFunction() from anotherTable;
-> Error: someFunction unkown

Of course both tables are in the same database.

Greetings,
Martin