tabase changed
mysql> show full processlist
    -> ;
+--------+------+-----------+------+---------+------+---------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Id     | User | Host      | db   | Command | Time | State                           | Info                                                                                                                                                                                            |
+--------+------+-----------+------+---------+------+---------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 850422 | root | localhost | era  | Query   | 7219 | copy to tmp table               | Alter table RequestData add (ValidationStatus Integer , UDCCode Varchar(32) , VeraCheckerAdminId Integer, VeraCheckerApprovalTime Integer , PaymentStatus Integer , PaymentUpdateTime Integer ) |
| 850525 | root | localhost | era  | Query   |  496 | Waiting for table metadata lock | Update RequestData Set Status = 6 Where RequestId = 987903                                                                                                                                      |
| 850573 | root | localhost | era  | Query   |    0 | NULL                            | show full processlist                                                                                                                                                                           |
+--------+------+-----------+------+---------+------+---------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
3 rows in set (0.00 sec)