Re: pg_upgrade does not upgrade pg_stat_statements properly

From: Dave Cramer <davecramer(at)gmail(dot)com>
To: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: pg_upgrade does not upgrade pg_stat_statements properly
Date: 2021-07-29 17:10:01
Message-ID: CADK3HHL2ieOVoD4z1DgC-nDc90_FmkAy601wGJrJ+rQ_2ixqRQ@mail.gmail.com
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>
>
>
> I would simplify the first two sentences to just:
>
> If the old cluster used extensions those same extensions must be installed
> in the new cluster via installation procedures specific to, and documented
> by, each extension. For contrib extensions it is usually enough to install
> the -contrib package via the same method you used to install the PostgreSQL
> server.
>

Well this is not strictly true. There are many extensions that would work
just fine with the current pg_upgrade. It may not even be necessary to
recompile them.

Dave

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