Re: pg_upgrade and regclass

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_upgrade and regclass
Date: 2011-12-05 21:46:58
Message-ID: 201112052146.pB5LkwD17365@momjian.us
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Bruce Momjian wrote:
> In Postgres 8.4, pg_upgrade preserved pg_class relfilenodes by creating
> files in the file system. In Postgres 9.0, we changed this by creating
> pg_upgrade_support functions which allow us to directly preserve
> pg_class.oids.
>
> Unfortunately, check.c was not updated to reflect this and clusters
> using regclass were prevented from being upgraded by pg_upgrade.
>
> I have developed the attached patch to allow clusters using regclass to
> be upgraded. I plan to apply it to PG 9.0, 9.1, and HEAD.

I have applied the attached patch to all relevant releases. I did a
more modest single-line code change for back branches.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +

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/rtmp/pg_upgrade text/x-diff 3.4 KB

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