On Wed, 2009-04-22 at 21:58 +0300, Heikki Linnakangas wrote:
> Tom Lane wrote:
> > Does a prepared xact still block vacuum cleanup in HEAD, or has that
> > been fixed since 8.2?
>
> It still does. A prepared xact is just like a idle-in-transaction
> backend as far as vacuum is concerned.
I thought idle transactions generally have released all their snapshots
(where possible), thus allowing VACUUM to work. I would think something
similar could work for prepared transactions.
Regards,
Jeff Davis
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