set @save_s3_protocol_version=@@global.s3_protocol_version;
set @@global.s3_protocol_version="Original";
create table t1 (pk int primary key, a int);
insert into t1 values (1,1),(2,2),(3,3),(4,4);
alter table t1 engine=S3;
ERROR HY000: Got error from put_object(database/t1/frm): 8 Access Denied
drop table t1;
set @@global.s3_protocol_version=@save_s3_protocol_version;