postgresql7.1 select dotlrn_member_rels_approved.rel_id, dotlrn_member_rels_approved.rel_type, dotlrn_member_rels_approved.role, dotlrn_member_rels_approved.user_id, acs_users_all.first_names, acs_users_all.last_name, acs_users_all.email, (select count(*) from acs_rels where rel_type = 'user_portrait_rel' and object_id_one = dotlrn_member_rels_approved.user_id) as portrait_p, (select count(*) from acs_attribute_values where object_id = dotlrn_member_rels_approved.user_id and attribute_id = :bio_attribute_id and attr_value is not null) as bio_p from acs_users_all, dotlrn_member_rels_approved where dotlrn_member_rels_approved.community_id = :community_id and dotlrn_member_rels_approved.user_id = acs_users_all.user_id order by ( CASE WHEN role = 'instructor' THEN 1 WHEN role = 'admin' THEN 2 WHEN role = 'teaching_assistant' THEN 3 WHEN role = 'course_assistant' THEN 4 WHEN role = 'student' THEN 6 WHEN role = 'member' THEN 7 END ) asc, $order_by