1SET tx_isolation = 'READ-COMMITTED';
2Warnings:
3Warning	1287	'@@tx_isolation' is deprecated and will be removed in a future release. Please use '@@transaction_isolation' instead
4CREATE TABLE bug49164 (a INT, b BIGINT, c TINYINT, PRIMARY KEY (a, b))
5ENGINE=InnoDB;
6insert into bug49164 values (1,1,1), (2,2,2), (3,3,3);
7begin;
8update bug49164 set c=7;
9select * from bug49164;
10a	b	c
111	1	7
122	2	7
133	3	7
14rollback;
15select * from bug49164;
16a	b	c
171	1	1
182	2	2
193	3	3
20begin;
21update bug49164 set c=7;
22SET tx_isolation = 'READ-COMMITTED';
23Warnings:
24Warning	1287	'@@tx_isolation' is deprecated and will be removed in a future release. Please use '@@transaction_isolation' instead
25begin;
26select * from bug49164;
27a	b	c
281	1	1
292	2	2
303	3	3
31commit;
32begin;
33update bug49164 set c=6 where a=1 and b=1;
34rollback;
35select * from bug49164;
36a	b	c
371	1	1
382	2	2
393	3	3
40commit;
41select * from bug49164;
42a	b	c
431	1	6
442	2	2
453	3	3
46drop table bug49164;
47