Received: from phoenix.sysdev.gxn.net (phoenix.sysdev.gxn.net
	[194.143.161.106]) by hub.org (8.9.1/8.9.1) with ESMTP id EAA12187
	for <pgsql-interfaces@postgresql.org>;
	Wed, 20 Jan 1999 04:31:58 -0500 (EST) (envelope-from spse@gxn.net)
Received: from spse (helo=phoenix.sysdev.gxn.net)
	by phoenix.sysdev.gxn.net with local-esmtp (Exim 2.05 #1)
	id 102tzQ-00011M-00
	for pgsql-interfaces@postgreSQL.org; Wed, 20 Jan 1999 09:31:56 +0000
From: Simon Evans <spse@gxn.net>
To: pgsql-interfaces@postgresql.org
Subject: Newer frontend talking to older backend 
Date: Wed, 20 Jan 1999 09:31:56 +0000
Message-Id: <E102tzQ-00011M-00@phoenix.sysdev.gxn.net>


Hi,
	I have a webserver which has to talk to various PostgeSQL backends
(some are 6.3.2 and some 6.4.2). I have the libpg from 6.4.2 on the
webserver and it talks fine to the 6.4.2 backends however I get 
`Unsupported frontend protocol` when talking to the 6.3.2 backends.
Is there a way to get libpq to talk the 6.3.2 protocol or is the
only solution to upgrade all the backends to 6.4.2? I thought the
`options` argument in PGconnectdb might do this but it just seems
to be for debugging support.

Any help would be appreciated.

cheers
si 
GX Networks Ltd.