Re: Upgrade clients when (major) upgrading server?

On Thu, Jul 24, 2008 at 9:00 AM, Chris Bovitz
<Christopher(dot)Bovitz(at)noaa(dot)gov> wrote:
> We have 8.1.3 on our operational and development database servers and will
> upgrade to 8.3.3 (development) and 8.2.9 (operations) soon. (We will not
> upgrade both systems' databases now because we've already tested 8.2 on our
> web server database for the past year, so it's already spent time in
> "development.") I have read through the server upgrade notes, and they seem
> to be pretty self-explanatory. It's even mentioned how to upgrade the
> client. And that's where my questions lie.
>
> The clients on our workstations were installed when our 8.1.3 was installed,
> which I was not involved with. When I do "psql --version" on a client
> machine, it says "8.0.3". When I do this on the server, I get "8.1.3".
>
> Do we need to upgrade the clients? Should we? If so to which version?
> What is involved with that? That is, other than the note in the
> upgrade/installation man pages, is there a set of instructions for upgrading
> the client-side software? If we don't have to upgrade now, when would we
> have to? Are there any things to watch for I should be aware of?

From the perspective of libpq it's not a huge deal, but psql needs to
match to make the \ commands work properly. Upgrading the client is
pretty simple. Remove the old client packages and install the new
ones.