drop table if exists t1,t2;
create table t1 (id integer, x integer) engine=BDB;
create table t2 (id integer, x integer) engine=BDB;
insert into t1 values(0, 0);
insert into t2 values(0, 0);
set autocommit=0;
update t1 set x = 1 where id = 0;
set autocommit=0;
update t2 set x = 1 where id = 0;
select x from t1 where id = 0;
select x from t2 where id = 0;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
commit;
x
1
commit;
select * from t1;
id	x
0	1
select * from t2;
id	x
0	1
commit;
select * from t1;
id	x
0	1
select * from t2;
id	x
0	1
commit;
drop table t1,t2;