From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
Cc: | Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: psql and pg_dump using obselete copy commands |
Date: | 2005-03-23 02:41:48 |
Message-ID: | 200503230241.j2N2fma29491@candle.pha.pa.us |
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Lists: | pgsql-hackers |
Christopher Kings-Lynne wrote:
> > Oh, if we do that, do we disallow connecting to older servers?
>
> Not at all, since the logic would be like this:
>
> if we have new copy functions
> and we have protocol version function
> and protocol version >= 3
> then use new copy functions
> else
> use old copy functions
>
> That would be even simpler if someone would answer my question about the
> new copy functions working on a pre v3 server. (I'm setting up to test
> that atm)
I just talked to Christopher via IM. He says the new fuctions work with
older server, and pg_dump always uses the libpq version that shipped
with that version (or a newer one) so we have for TODO added:
o Update pg_dump and psql to use the new COPY libpq API
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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