Both explanations sound very similar and very logical indeed. Never occurred to me to think that way.Actually, now I remembered, that in a few rare occasions we had to restart the whole server after the "refresh" and then there was no problem, at all.
Thank you both! Iv. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general