Extension:CommentStreams/cs replies table

mysql> describe cs_replies;
+-----------------------+------------------+------+-----+---------+-------+
| Field                 | Type             | Null | Key | Default | Extra |
+-----------------------+------------------+------+-----+---------+-------+
| cst_r_reply_page_id   | int(10) unsigned | NO   | PRI | NULL    |       |
| cst_r_comment_page_id | int(10) unsigned | NO   |     | NULL    |       |
+-----------------------+------------------+------+-----+---------+-------+