mysql> describe oathauth_users;
+--------+----------------+------+-----+---------+-------+
| Field  | Type           | Null | Key | Default | Extra |
+--------+----------------+------+-----+---------+-------+
| id     | int(11)        | NO   | PRI | NULL    |       |
| module | varbinary(255) | NO   |     | NULL    |       |
| data   | blob           | YES  |     | NULL    |       |
+--------+----------------+------+-----+---------+-------+