1
drop table if exists t1;
2
show variables like 'innodb_rollback_on_timeout';
4
innodb_rollback_on_timeout ON
5
create table t1 (a int unsigned not null primary key) engine = innodb;
6
insert into t1 values (1);
9
insert into t1 values (2);
15
insert into t1 values (5);
20
insert into t1 values (2);
21
ERROR HY000: Lock wait timeout exceeded; try restarting transaction