Re: rmgr hooks (v2)

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: rmgr hooks (v2)
Date: 2009-01-21 16:38:34
Message-ID: 49774F8A.4060802@enterprisedb.com
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Simon Riggs wrote:
> So you *must* replay catalog entries and recreate the original catalog
> in exact synchronisation with reading WAL files. Recreating the catalog
> can only be done by Postgres itself.

The startup process doesn't have a relcache, so this rmgr patch is
nowhere near enough to enable that. If I understood correctly, the hot
standby patch doesn't change that either.

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com

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