postgresql7.1 select acs_person_id, family_name, given_name, middle_name, acs_permission__permission_p(acs_person_id,:user_id,'write') as write_p, acs_permission__permission_p(acs_person_id,:user_id,'delete') as delete_p from acs_objects o,acs_persons p where p.acs_person_id = o.object_id and o.context_id = :package_id order by $ordering