X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org
Received: from localhost (developer.postgresql.org [64.117.224.193])
	by svr1.postgresql.org (Postfix) with ESMTP id 0B9C8F0101
	for <pgsql-sql-postgresql.org@localhost.postgresql.org>;
	Sun,  8 Jun 2003 11:09:00 +0000 (GMT)
Received: from svr1.postgresql.org ([64.117.224.193])
	by localhost (svr1.postgresql.org [64.117.224.193]) (amavisd-new,
	port 10024) with ESMTP id 26136-03
	for <pgsql-sql-postgresql.org@localhost.postgresql.org>;
	Sun,  8 Jun 2003 11:08:49 +0000 (GMT)
Received: from wolff.to (wolff.to [66.93.249.74])
	by svr1.postgresql.org (Postfix) with SMTP id 0F351F00CE
	for <pgsql-sql@postgresql.org>; Sun,  8 Jun 2003 11:08:33 +0000 (GMT)
Received: (qmail 14349 invoked by uid 500); 8 Jun 2003 11:11:13 -0000
Date: Sun, 8 Jun 2003 06:11:13 -0500
From: Bruno Wolff III <bruno@wolff.to>
To: pgsql-sql@postgresql.org
Subject: Re: How to make a IN without a table... ?
Message-ID: <20030608111113.GA14337@wolff.to>
Mail-Followup-To: pgsql-sql@postgresql.org
References: <20030604145901.GB766@apartia.fr>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20030604145901.GB766@apartia.fr>
User-Agent: Mutt/1.5.4i
X-Archive-Number: 200306/61
X-Sequence-Number: 13819

On Wed, Jun 04, 2003 at 16:59:02 +0200,
  David Pradier <dpradier@apartia.fr> wrote:
> 
> In short, i want to calculate the result of the function my_function for
> some values of my_var1, cross by some values of my_var2.
> These values are not taken in a table, but put in directly.
> They are a lot, so i would prefer not to write the whole thing, line
> after line. (Let's say 10 values for the first, and 40 for the second =>
> 400 lines of code to maintain...)
> 
> I really don't see how to do this :-/

You could programatically generate the sql code and use union
(e.g. (select 1 union select 2 union select 3 union select 4))
to join the rows together or you could write a set returning
function.