mysql> describe securepoll_log;
+-----------------+---------------------+------+-----+---------+----------------+
| Field           | Type                | Null | Key | Default | Extra          |
+-----------------+---------------------+------+-----+---------+----------------+
| spl_id          | int(10) unsigned    | NO   | PRI | NULL    | auto_increment |
| spl_timestamp   | binary(14)          | NO   | MUL | NULL    |                |
| spl_election_id | int(11)             | NO   |     | NULL    |                |
| spl_user        | int(10) unsigned    | NO   |     | NULL    |                |
| spl_type        | tinyint(3) unsigned | NO   |     | NULL    |                |
| spl_target      | int(10) unsigned    | YES  |     | NULL    |                |
+-----------------+---------------------+------+-----+---------+----------------+