root 14:58: [mgboss]> alter table asset_app AUTO_ID_CACHE 2;
Query OK, 0 rows affected (0.17 sec)
root 14:58: [mgboss]> alter table asset_app AUTO_ID_CACHE 1;
ERROR 1105 (HY000): Can't Alter AUTO_ID_CACHE between 1 and non-1, the underlying implementation is different