On Tue, Oct 19, 2010 at 02:52:01PM -0400, Robert Haas wrote:
> Well, temp tables really want a separate set of XIDs with a separate
> CLOG, too.  Admittedly, they don't necessarily need WAL, if you can
> make them work without catalog entries, but that's not so easy either.

At one point there was the idea to have a sort of permanent temporary
tables which would have a pg_class entry but each session would have
its own copy. Replicated slaves would then also be able to use this
construction.

Doesn't help with the XIDs though.

Have a nice day,
-- 
Martijn van Oosterhout   <klep...@svana.org>   http://svana.org/kleptog/
> Patriotism is when love of your own people comes first; nationalism,
> when hate for people other than your own comes first. 
>                                       - Charles de Gaulle

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