From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Ed Loehr <pggeneral(at)bluepolka(dot)net> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: 7.1.2 clients + 7.2.1 server? |
Date: | 2002-04-06 02:41:24 |
Message-ID: | 16749.1018060884@sss.pgh.pa.us |
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Lists: | pgsql-general |
Ed Loehr <pggeneral(at)bluepolka(dot)net> writes:
> I have a system with many C and perl client apps linked with 7.1.2 libraries
> and accessing a 7.1.2 server. I would like to upgrade only the server to
> 7.2.1 and postpone rebuilding all of the clients against the 7.2.1 libraries.
> I see that 7.1.2 psql seems to work fine against the 7.2.1 server; should
> I expect the other 7.1.2 clients will work fine against the 7.2.1 server?
The protocol hasn't changed, but if the clients poke into the system
catalogs heavily they might notice an incompatibility or two. (If so,
though, you're in for reprogramming not only relinking...)
Offhand I think the only reason to worry about upgrading client-side
libpq is if you want to use MD5 password encryption.
regards, tom lane
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