blob: cf00adb30ae87912c521ca36d5d65ae5a87afea2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
drop table if exists t1;
create table t1 (id integer, x integer) engine=INNODB;
insert into t1 values(0, 0);
set autocommit=0;
SELECT * from t1 where id = 0 FOR UPDATE;
id x
0 0
set autocommit=0;
lock table t1 write;
update t1 set x=1 where id = 0;
select * from t1;
id x
0 1
commit;
update t1 set x=2 where id = 0;
commit;
unlock tables;
select * from t1;
id x
0 2
commit;
drop table t1;
|
