set @save_limit = @@GLOBAL.innodb_limit_optimistic_insert_debug;
set global innodb_limit_optimistic_insert_debug=3;
create table t1 (a INT PRIMARY KEY) engine=InnoDB ENCRYPTED=YES;
insert into t1 select * from seq_1_to_6000;
flush table t1 for export;
unlock tables;
alter table t1 discard tablespace;
alter table t1 import tablespace;
set global innodb_limit_optimistic_insert_debug=@save_limit;
drop table t1;