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From: Alvaro Herrera <[email protected]>
To: Bruce Momjian <[email protected]>
Cc: PostgreSQL-documentation <[email protected]>
Subject: Re: Pg_upgrade and collation
Date: Fri, 17 Jun 2016 17:51:54 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
List-Unsubscribe: <mailto:[email protected]?body=unsub%20pgsql-docs>

Bruce Momjian wrote:
> The attached patch documents that pg_upgrade requires old/new servers to
> use compatibile collation library versions as well.

I think this is way too thin to be helpful:

> --- 61,68 ----
>     checking for compatible compile-time settings, including 32/64-bit
>     binaries.  It is important that
>     any external modules are also binary compatible, though this cannot
> !   be checked by <application>pg_upgrade</>.  Compatible collation
> !   library versions must also be used.
>    </para>

I think it would be useful to indicate what to do if they are not
compatible.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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