create sequence s1; alter table s1 engine=s3; ERROR HY000: Can't create table `database`.`s1` (errno: 138 "Unsupported extension used for table") drop sequence s1; create temporary table t1 (a int); alter table t1 engine=S3; ERROR HY000: Can't create table `database`.`t1` (errno: 131 "Command not supported by the engine") drop temporary table t1;