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Message-ID: <dcc563d10807241313y36563238p8db267cbc13e1dfb@mail.gmail.com>
Date: Thu, 24 Jul 2008 14:13:24 -0600
From: "Scott Marlowe" <scott.marlowe@gmail.com>
To: "Chris Bovitz" <Christopher.Bovitz@noaa.gov>
Subject: Re: Upgrade clients when (major) upgrading server?
Cc: pgsql-admin@postgresql.org
In-Reply-To: <4888DD27.6070204@noaa.gov>
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References: <488898F0.6010406@noaa.gov>
	<dcc563d10807241106xfe8ed3i39a203661736a623@mail.gmail.com>
	<4888DD27.6070204@noaa.gov>

On Thu, Jul 24, 2008 at 1:51 PM, Chris Bovitz
<Christopher.Bovitz@noaa.gov> wrote:
>
>
> Does it matter which version - 8.3.3 or 8.2.9 - we install on our client
> boxes?  Is the client-side backwards compatible?  Or should we install both
> and have a wrapper for the "psql" script to detect which database we're
> going to and use the appropriate binaries?

psql itself is not backwards / forwards compatible.  libpq is.  So if
you need to talk to 8.2 and 8.3 databases from psql, then it's a good
idea to have both.