Tatsuo Ishii <[EMAIL PROTECTED]> writes: >> Why does set_recursion_pathlist think that the subquery might have >> useful pathkeys? We know it must always be a UNION ALL, no?
> Right. But someday we might implement "UNION" (without ALL) then we > have useful pathkeys... Good point. Might as well leave it in. 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