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 ([email protected])
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers
