Extension:FlaggedRevs/flaggedrevs statistics table

mysql> describe flaggedrevs_statistics; +---++--+-+-+---+ +---++--+-+-+---+ +---++--+-+-+---+
 * Field        | Type           | Null | Key | Default | Extra |
 * frs_timestamp | varbinary(14) | NO   | PRI | NULL    |       |
 * frs_stat_key | varbinary(255) | NO   | PRI | NULL    |       |
 * frs_stat_val | bigint(20)     | NO   |     | NULL    |       |