Extension:SecurePoll/securepoll elections table

mysql> describe securepoll_elections;
+-----------------+----------------+------+-----+---------+-------+
| Field           | Type           | Null | Key | Default | Extra |
+-----------------+----------------+------+-----+---------+-------+
| el_entity       | int(11)        | NO   | PRI | NULL    |       |
| el_title        | varbinary(255) | NO   | UNI | NULL    |       |
| el_owner        | int(11)        | NO   |     | NULL    |       |
| el_ballot       | varbinary(32)  | NO   |     | NULL    |       |
| el_tally        | varbinary(32)  | NO   |     | NULL    |       |
| el_primary_lang | varbinary(32)  | NO   |     | NULL    |       |
| el_start_date   | varbinary(14)  | YES  |     | NULL    |       |
| el_end_date     | varbinary(14)  | YES  |     | NULL    |       |
| el_auth_type    | varbinary(32)  | NO   |     | NULL    |       |
+-----------------+----------------+------+-----+---------+-------+