Extension:AbuseFilter/abuse filter table

Schema
mysql> describe abuse_filter; ++-+--+-+-++ ++-+--+-+-++ ++-+--+-+-++
 * Field             | Type                | Null | Key | Default | Extra          |
 * af_id             | bigint(20) unsigned | NO   | PRI | NULL    | auto_increment |
 * af_pattern        | blob                | NO   |     | NULL    |                |
 * af_user           | bigint(20) unsigned | NO   | MUL | NULL    |                |
 * af_user_text      | varbinary(255)      | NO   |     | NULL    |                |
 * af_timestamp      | binary(14)          | NO   |     | NULL    |                |
 * af_enabled        | tinyint(1)          | NO   |     | 1       |                |
 * af_comments       | blob                | YES  |     | NULL    |                |
 * af_public_comments | tinyblob           | YES  |     | NULL    |                |
 * af_hidden         | tinyint(1)          | NO   |     | 0       |                |
 * af_hit_count      | bigint(20)          | NO   |     | 0       |                |
 * af_throttled      | tinyint(1)          | NO   |     | 0       |                |
 * af_deleted        | tinyint(1)          | NO   |     | 0       |                |
 * af_actions        | varbinary(255)      | NO   |     |         |                |
 * af_global         | tinyint(1)          | NO   |     | 0       |                |
 * af_group          | varbinary(64)       | NO   | MUL | default |                |