Received: from maia.hub.org (unknown [200.46.208.211])
	by mail.postgresql.org (Postfix) with ESMTP id 29CEC6324D2
	for <pgsql-sql-postgresql.org@mail.postgresql.org>;
	Wed, 24 Feb 2010 08:40:38 -0400 (AST)
Received: from mail.postgresql.org ([200.46.204.86])
	by maia.hub.org (mx1.hub.org [200.46.208.211]) (amavisd-maia,
	port 10024) with ESMTP id 21330-08 for
	<pgsql-sql-postgresql.org@mail.postgresql.org>;
	Wed, 24 Feb 2010 12:40:20 +0000 (UTC)
X-Greylist: from auto-whitelisted by SQLgrey-1.7.6
Received: from sargon.lncsa.com (mail.lncsa.com [213.215.28.11])
	by mail.postgresql.org (Postfix) with ESMTP id 89558632387
	for <pgsql-sql@postgresql.org>; Wed, 24 Feb 2010 08:40:27 -0400 (AST)
Received: from localhost (localhost.localdomain [127.0.0.1])
	by sargon.lncsa.com (Postfix) with ESMTP id 7572C301E6CD
	for <pgsql-sql@postgresql.org>; Wed, 24 Feb 2010 13:40:24 +0100 (CET)
X-Virus-Scanned: Debian amavisd-new at lncsa.com
Received: from sargon.lncsa.com ([127.0.0.1])
	by localhost (sargon.lncsa.com [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id CmqsGdwksE-p for <pgsql-sql@postgresql.org>;
	Wed, 24 Feb 2010 13:40:24 +0100 (CET)
Received: from zenon.apartia.fr (zenon.apartia.fr [10.0.3.1])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(Client CN "zenon.apartia.fr", Issuer "ca.apartia.fr" (verified OK))
	by sargon.lncsa.com (Postfix) with ESMTP id 54DBD300E355
	for <pgsql-sql@postgresql.org>; Wed, 24 Feb 2010 13:40:24 +0100 (CET)
Received: from galba.apartia.fr (galba.apartia.fr [10.0.3.119])
	by zenon.apartia.fr (Postfix) with ESMTP id F1CB159336C50
	for <pgsql-sql@postgresql.org>; Wed, 24 Feb 2010 13:40:23 +0100 (CET)
Received: by galba.apartia.fr (Postfix, from userid 1000)
	id C30A01D427; Wed, 24 Feb 2010 13:40:23 +0100 (CET)
Date: Wed, 24 Feb 2010 13:40:23 +0100
From: Louis-David Mitterrand <vindex+lists-pgsql-sql@apartia.org>
To: pgsql-sql@postgresql.org
Subject: join with an array
Message-ID: <20100224124023.GA16500@apartia.fr>
Mail-Followup-To: pgsql-sql@postgresql.org
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.5.20 (2009-06-14)
X-Virus-Scanned: Maia Mailguard 1.0.1
X-Spam-Status: No, hits=-2.333 tagged_above=-10 required=5 tests=AWL=0.266,
	BAYES_00=-2.599
X-Spam-Level: 
X-Archive-Number: 201002/89
X-Sequence-Number: 33688

Hi,

I'm trying the following query:

	select array_agg(t1.id) from table1 t1 join table2 t2 on (t2.id = any(array_agg)) group by t1.col1;

but I get this error: ERROR:  column "array_agg" does not exist

I tried aliasing array_agg(t1.id) without success.

Thanks for any suggestions,