Extension:CentralAuth/renameuser status table

mysql> describe renameuser_status; ++--+--+-+-+---+ ++--+--+-+-+---+ ++--+--+-+-+---+
 * Field     | Type                                 | Null | Key | Default | Extra |
 * ru_oldname | varbinary(255)                      | NO   | PRI | NULL    |       |
 * ru_newname | varbinary(255)                      | NO   |     | NULL    |       |
 * ru_wiki   | varbinary(255)                       | NO   | PRI | NULL    |       |
 * ru_status | enum('queued','inprogress','failed') | YES  |     | NULL    |       |