1SET DEFAULT_STORAGE_ENGINE = 'tokudb'; 2DROP TABLE IF EXISTS foo; 3set session transaction isolation level repeatable read; 4create table foo (a int); 5select * from foo; 6a 7begin; 8insert into foo values (1); 9select * from foo; 10a 111 12rollback; 13select * from foo; 14a 15set session transaction isolation level read committed; 16begin; 17insert into foo values (1); 18select * from foo; 19a 201 21rollback; 22select * from foo; 23a 24DROP TABLE foo; 25