>
> I tried it in two databases (dump and load to another one), so I don't
> think that we have corrupted indexes.
>
the problem persist after a dump a reload? then there is not because
an index corruption... can you send part of the data that reproduces
the bug?
> I can try on a newer version of postgresql on another server.
>
> By the way, if this is a bug then it's a serious one. We have it in
> production environment.
>
> Mage
>
what locales do you have? encoding?
--
regards,
Jaime Casanova
(DBA: DataBase Aniquilator ;)