oracle8.1.6 update forums_messages set reply_count = reply_count + 1, approved_reply_count = approved_reply_count + 1, max_child_sortkey = tree.increment_key(max_child_sortkey) where message_id = :message_id select message_id as msge_id, substr(tree_sortkey, 13, length(tree_sortkey)) as child_tree_sortkey from forums_messages where forum_id = :forum_id and tree_sortkey between tree.left('$message(tree_sortkey)') and tree.right('$message(tree_sortkey)') order by tree_sortkey desc select substr(tree_sortkey, 13, length(tree_sortkey)) as final_tree_sortkey, substr(tree_sortkey, 0, 6) as initial_tree_sortkey from forums_messages where message_id = $message(message_id) update forums_messages set last_child_post = (select max(last_child_post) from forums_messages where forum_id = :forum_id and tree_sortkey between tree.left((select tree_sortkey from forums_messages where message_id = $father_message_id)) and tree.right((select tree_sortkey from forums_messages where message_id = $father_message_id)) ) where message_id = $father_message_id update forums_messages set last_child_post = (select max(last_child_post) from forums_messages where forum_id = :forum_id and tree_sortkey between tree.left((select tree_sortkey from forums_messages where message_id = :message_id)) and tree.right((select tree_sortkey from forums_messages where message_id = :message_id)) ) where message_id = :message_id