SET DEFAULT_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,bar;
set session transaction isolation level repeatable read;
create table foo (a int, b int) engine=TokuDB;
create table bar (a int) engine=TokuDB;
insert into foo values (1,10),(2,20),(3,30);
begin;
select * from bar;
a
delete from foo;
select * from foo;
a	b
alter table foo add column c int first;
alter table foo drop column b;
commit;
set session transaction isolation level serializable;
DROP TABLE foo,bar;