Extension:Echo/echo unread wikis table

mysql> describe echo_unread_wikis;
+-----------------+------------------+------+-----+---------+----------------+
| Field           | Type             | Null | Key | Default | Extra          |
+-----------------+------------------+------+-----+---------+----------------+
| euw_id          | int(10) unsigned | NO   | PRI | NULL    | auto_increment |
| euw_user        | int(10) unsigned | NO   | MUL | NULL    |                |
| euw_wiki        | varbinary(64)    | NO   |     | NULL    |                |
| euw_alerts      | int(10) unsigned | NO   |     | NULL    |                |
| euw_alerts_ts   | binary(14)       | NO   |     | NULL    |                |
| euw_messages    | int(10) unsigned | NO   |     | NULL    |                |
| euw_messages_ts | binary(14)       | NO   |     | NULL    |                |
+-----------------+------------------+------+-----+---------+----------------+