Am 10.05.2010 23:34 schrieb Alban Hertroys: > Thinking more on the issue, I don't see a way to prevent the nested > loop as there's no way to decide beforehand what part of the string to > index for b.txt. It depends on a.txt after all.
Yes, that seems to be the gist of the matter. I just felt I might have missed something. Thanks for your answers.
-- Christoph -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general