SET STORAGE_ENGINE = 'tokudb';
set session transaction isolation level repeatable read;
set session tokudb_disable_slow_alter=ON;
# Establish connection conn1 (user = root)
DROP TABLE IF EXISTS foo;
set session transaction isolation level repeatable read;
create table foo (a int, b int) engine=TokuDB;
insert into foo values (1,10);
begin;
select * from foo;
a	b
1	10
alter table foo add column c int;
alter table foo drop column b;
commit;
begin;
insert into foo values (1,10);
alter table foo add column cc int;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
alter table foo drop column c;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
commit;
set session transaction isolation level serializable;
DROP TABLE foo;