Extension:AjaxComments/ajaxcomments table

The discussion data is stored in a new table named ajaxcomments and has the following structure.

MariaDB [-]> DESCRIBE ajaxcomments;
+-----------+------------------+------+-----+---------+----------------+
| Field     | Type             | Null | Key | Default | Extra          |
+-----------+------------------+------+-----+---------+----------------+
| ac_id     | int(10) unsigned | NO   | PRI | NULL    | auto_increment |
| ac_type   | int(10) unsigned | NO   |     | NULL    |                |
| ac_parent | int(10) unsigned | YES  |     | NULL    |                |
| ac_user   | int(10) unsigned | YES  |     | NULL    |                |
| ac_page   | int(10) unsigned | YES  |     | NULL    |                |
| ac_time   | int(10) unsigned | YES  |     | NULL    |                |
| ac_data   | text             | YES  |     | NULL    |                |
+-----------+------------------+------+-----+---------+----------------+
7 rows in set (0.134 sec)