Ivan Sergio Borgonovo <mail@xxxxxxxxxxxxxxx> writes: > I can't really appreciate the difference... or better... I think the > difference may be that I can't take for granted the function will be > cached if I delegate the choice to the optimiser. You can take for granted that it won't be, because there is no function cache in Postgres. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general