Extension:WikiLove/wikilove log table

mysql> describe wikilove_log; +---+--+--+-+-++ +---+--+--+-+-++ +---+--+--+-+-++
 * Field                    | Type             | Null | Key | Default | Extra          |
 * wll_id                   | int(11)          | NO   | PRI | NULL    | auto_increment |
 * wll_timestamp            | binary(14)       | NO   | MUL | NULL    |                |
 * wll_sender               | int(10) unsigned | NO   | MUL | NULL    |                |
 * wll_sender_registration  | binary(14)       | YES  |     | NULL    |                |
 * wll_sender_editcount     | int(11)          | YES  |     | NULL    |                |
 * wll_receiver             | int(10) unsigned | NO   | MUL | NULL    |                |
 * wll_receiver_registration | binary(14)      | YES  |     | NULL    |                |
 * wll_receiver_editcount   | int(11)          | YES  |     | NULL    |                |
 * wll_type                 | varbinary(64)    | NO   | MUL | NULL    |                |
 * wll_subject              | varbinary(255)   | NO   |     | NULL    |                |
 * wll_message              | blob             | NO   |     | NULL    |                |
 * wll_email                | tinyint(1)       | NO   |     | 0       |                |