Extension:VoteNY/Vote table

mysql> describe Vote;
+--------------+---------------------+------+-----+---------------------+----------------+
| Field | Type | Null | Key | Default | Extra |
+--------------+---------------------+------+-----+---------------------+----------------+
| vote_id | int(11) | NO | PRI | NULL | auto_increment |
| vote_actor | bigint(20) unsigned | NO | MUL | NULL | |
| username | varbinary(255) | NO | MUL | 0 | |
| vote_user_id | int(11) | NO | | 0 | |
| vote_page_id | int(11) | NO | MUL | 0 | |
| vote_value | char(1) | NO | MUL | | |
| vote_date | datetime | NO | MUL | 1970年01月01日 00:00:01 | |
| vote_ip | varbinary(45) | NO | | | |
+--------------+---------------------+------+-----+---------------------+----------------+