EVOLUTION-MANAGER

Edit File: mvcc-37.result

SET DEFAULT_STORAGE_ENGINE = 'tokudb';
# Establish connection conn1 (user = root)
connect  conn1,localhost,root,,;
DROP TABLE IF EXISTS foo;
connection default;
set session transaction isolation level read uncommitted;
create table foo (a int, b int, c int, primary key (a), key (b))engine=TokuDB;
show create table foo;
Table	Create Table
foo	CREATE TABLE `foo` (
  `a` int(11) NOT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL,
  PRIMARY KEY (`a`),
  KEY `b` (`b`)
) ENGINE=TokuDB DEFAULT CHARSET=latin1
insert into foo values (1,10,100),(2,20,200),(3,30,300),(4,40,400),(5,50,500),(6,60,600),(7,70,700),(8,80,800),(9,90,900);
begin;
select * from foo;
a	b	c
1	10	100
2	20	200
3	30	300
4	40	400
5	50	500
6	60	600
7	70	700
8	80	800
9	90	900
# should use key b
explain select * from foo where b=50;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	foo	ref	b	b	5	const	1	
# should get (5,50,500)
select * from foo where b=50;
a	b	c
5	50	500
replace into foo values (5,50,1515);
connection conn1;
set session transaction isolation level read uncommitted;
begin;
# should use key b
explain select * from foo where b=50;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	foo	ref	b	b	5	const	1	
# should get (5,50,1515)
select * from foo where b=50;
a	b	c
5	50	1515
connection default;
commit;
# should use key b
explain select * from foo where b=50;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	foo	ref	b	b	5	const	1	
# should get (5,50,1515)
select * from foo where b=50;
a	b	c
5	50	1515
connection conn1;
# should use key b
explain select * from foo where b=50;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	foo	ref	b	b	5	const	1	
# should get (5,50,1515)
select * from foo where b=50;
a	b	c
5	50	1515
commit;
# should use key b
explain select * from foo where b=50;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	foo	ref	b	b	5	const	1	
# should get (5,50,1515)
select * from foo where b=50;
a	b	c
5	50	1515
connection default;
disconnect conn1;
connection default;
set session transaction isolation level serializable;
DROP TABLE foo;