Re: pgsql: Prevent CLUSTER from decreasing a relation's relfrozenxid.

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)postgresql(dot)org>
Cc: pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: Prevent CLUSTER from decreasing a relation's relfrozenxid.
Date: 2008-01-15 22:31:54
Message-ID: 20080115223154.GL4473@alvh.no-ip.org
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Tom Lane wrote:
> Log Message:
> -----------
> Prevent CLUSTER from decreasing a relation's relfrozenxid. Bug
> introduced in rewrite to make CLUSTER MVCC-safe.

Actually the bug is all mine, not Heikki's -- I changed this code so
that CLUSTER would be able to advance the relation's relfrozenxid.

Thanks for fixing it.

I don't think it explains the reported bug, though; this is all new in
8.3.

--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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