On 16.09.2011 12:59, Marc Mamin wrote:
This is not valid, but is accepted.EXPLAIN analyze select * from test_f_files_steps where id in (select id from ( select file_id,class_id from test_f_files_steps EXCEPT select id,class_id from test_f_files_status )foo )
It is valid, it just doesn't do what you might expect. The "id" in "select id from (..." refers to the id field in the outer query.
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
