postgresql7.1
select
lpad(' ', tree_level(ot1.tree_sortkey), '-') || ot1.pretty_name,
ot1.object_type
from
acs_object_types ot1, acs_object_types ot2
where ot2.object_type = 'content_revision'
and ot1.tree_sortkey between ot2.tree_sortkey and tree_right(ot2.tree_sortkey)
select content_type__${register_method} (
:content_type,
:target_type,
:relation_tag,
:min_n,
:max_n
);