1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
--source include/have_innodb.inc
# Bug #49164 READ-COMMITTED reports "matched: 0" on compound PK
# a duplicate of
# Bug #52663 Lost update incrementing column value under READ COMMITTED
connect (con1,localhost,root,,);
connect (con2,localhost,root,,);
connection con1;
SET tx_isolation = 'READ-COMMITTED';
CREATE TABLE bug49164 (a INT, b BIGINT, c TINYINT, PRIMARY KEY (a, b))
ENGINE=InnoDB;
insert into bug49164 values (1,1,1), (2,2,2), (3,3,3);
begin;
update bug49164 set c=7;
select * from bug49164;
rollback;
select * from bug49164;
begin;
update bug49164 set c=7;
connection con2;
SET tx_isolation = 'READ-COMMITTED';
begin;
select * from bug49164;
commit;
begin;
--send
update bug49164 set c=6 where a=1 and b=1;
connection con1;
rollback;
select * from bug49164;
connection con2;
reap;
commit;
connection con1;
select * from bug49164;
connection default;
disconnect con1;
disconnect con2;
drop table bug49164;
|
