| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Oliver Elphick" <olly(at)lfix(dot)co(dot)uk> |
| Cc: | pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] Mixing library versions |
| Date: | 1998-11-04 15:00:03 |
| Message-ID: | 8332.910191603@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
"Oliver Elphick" <olly(at)lfix(dot)co(dot)uk> writes:
> Is it possible to use libpq.so.2.0 to query a remote database whose
> server is running PostgreSQL 6.3?
No. That's why we changed the major version number, to make it
easier to keep an old libpq around if you need it.
> What would be the consequences of
> using libpq.so.1 to query a 6.4 server?
Should work fine. The new server still handles the old FE/BE protocol.
(Or at least, it's supposed to ... I haven't tested that lately, but
I believe Tatsuo-san did.)
regards, tom lane
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