Re: MultiXacts & WAL

From: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
To: paolo romano <paolo(dot)romano(at)yahoo(dot)it>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: MultiXacts & WAL
Date: 2006-06-17 06:15:49
Message-ID: Pine.OSF.4.61.0606170914060.231307@kosh.hut.fi
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On Sat, 17 Jun 2006, paolo romano wrote:

> May be this is needed to support savepoints/subtransactions? Or is it
> something else that i am missing?

It's for two-phase commit. A prepared transaction can hold locks that need
to be recovered.

- Heikki

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