Extension:CloseWikis/closedwikis table

+--++--+-+-+---+ +--++--+-+-+---+ +--++--+-+-+---+
 * Field       | Type           | Null | Key | Default | Extra |
 * cw_wiki     | varbinary(255) | NO   | PRI | NULL    |       |
 * cw_reason   | mediumblob     | NO   |     | NULL    |       |
 * cw_timestamp | binary(14)    | NO   |     | NULL    |       |
 * cw_by       | tinyblob       | NO   |     | NULL    |       |