2008/2/27, Bart Degryse <Bart(dot)Degryse(at)indicator(dot)be>:
>
> I would also suggest you replace the
> ...t.cod_user IN (subselect)
> by a join construction. I think it's more performant.
In recent versions PostgreSQL is quite smart when planning IN, so that
shouldn't be a concern.
Markus
--
Markus Bertheau
Blog: http://www.bluetwanger.de/blog/