SET DEFAULT_STORAGE_ENGINE = 'tokudb';
# Establish connection conn1 (user = root)
connect  conn1,localhost,root,,;
DROP TABLE IF EXISTS foo;
connection conn1;
set session transaction isolation level repeatable read;
connection default;
set session transaction isolation level repeatable read;
create table foo (a int, b int, primary key (a))engine=TokUDB;
insert into foo values (1,1),(2,2),(3,3),(4,4),(5,5),(10,10),(20,20),(30,30),(40,40),(50,50);
connection conn1;
begin;
select * from foo;
a	b
1	1
2	2
3	3
4	4
5	5
10	10
20	20
30	30
40	40
50	50
# number of rows should be 9
explain select * from foo where a < 50;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	foo	range	PRIMARY	PRIMARY	4	NULL	9	Using where
connection default;
delete from foo where a < 10;
# number of rows should be 9
explain select * from foo where a < 50;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	foo	range	PRIMARY	PRIMARY	4	NULL	9	Using where
# should have just 4 values
select * from foo where a < 50;
a	b
10	10
20	20
30	30
40	40
connection conn1;
# number of rows should be 9
explain select * from foo where a < 50;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	foo	range	PRIMARY	PRIMARY	4	NULL	9	Using where
# 9 values
select * From foo where a < 50;
a	b
1	1
2	2
3	3
4	4
5	5
10	10
20	20
30	30
40	40
commit;
connection default;
disconnect conn1;
connection default;
set session transaction isolation level serializable;
DROP TABLE foo;