From: Tom Lane <tgl@sss.pgh.pa.us>
To: Artem Tomyuk <admin@leboutique.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: pg_upgrade fails
Date: Thu, 05 Nov 2015 10:58:23 -0500
Message-ID: <7863.1446739103@sss.pgh.pa.us> (raw)
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Artem Tomyuk <admin@leboutique.com> writes:
> Trying to upgrade from 9.1 to 9.4
> Upgrade fails with error:
> Could not load library "$libdir/dblink"
> ERROR: could not load library "/usr/pgsql-9.4/lib/dblink.so":
> /usr/pgsql-9.4/lib/dblink.so: undefined symbol: PQsetSingleRowMode
dblink.so is apparently trying to link to the 9.1 version of libpq.so,
which lacks some functions that exist in 9.4. You probably need to
install the 9.4 libpq.so library first (it should work with 9.1 callers,
unlike vice versa).
regards, tom lane
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To: pgsql-admin@postgresql.org
Cc: tgl@sss.pgh.pa.us, admin@leboutique.com
Subject: Re: pg_upgrade fails
In-Reply-To: <7863.1446739103@sss.pgh.pa.us>
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