postgresql7.1
select clipboard__new(:clipboard_id, :owner_id, :title, :package_id, now(), :creation_user_id, :peeraddr, :context)
select clipboard__delete(:clipboard_id)
INSERT into clipboard_object_map(clipboard_id, object_id, clipped_on)
SELECT :clipboard_id, :object_id, now()
WHERE acs_permission__permission_p(:clipboard_id, :user_id, 'write') = 't'
DELETE FROM clipboard_object_map
WHERE acs_permission__permission_p(:clipboard_id, :user_id, 'write') = 't'
and clipboard_id = :clipboard_id
and object_id = :object_id