postgresql7.1
select o.object_id,
acs_object__name(o.object_id) as name,
context_id,
object_type,
(case when o.object_id = :root then 0 else 1 end) as child
from acs_permission.permission_p_recursive_array(array(
select object_id from acs_objects where object_id = :root or context_id = :root
), :user_id, 'admin') p, acs_objects o
where p.orig_object_id = o.object_id
order by child, object_type, name