"Colin 't Hart" <colinth...@gmail.com> writes: > I can't get Postgresql to execute a query with EXCEPT (or INTERSECT) > as an anti-join (or join).
> Is this even possible? No, and it probably won't ever be, since the semantics aren't the same. EXCEPT/INTERSECT imply duplicate elimination. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers