oracle8.1.6
update acs_objects
set context_id = :dest_forum_id
where context_id = :forum_id
and object_type = 'bboard_message'
and object_id in (select message_id
from acs_messages m
connect by prior message_id = reply_to
start with message_id = :message_id)
update bboard_forum_message_map
set forum_id = :dest_forum_id
where forum_id = :forum_id
and message_id in (select message_id
from acs_messages m
connect by prior message_id = reply_to
start with message_id = :message_id)