create table t1 (
pk int not null primary key, 
col1 int not null, 
col2 int not null, 
key(col1)
) engine=xengine;
create table ten(a int primary key);
insert into ten values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table one_k(a int primary key);
insert into one_k select A.a + B.a* 10 + C.a * 100 from ten A, ten B, ten C;
insert into t1 select a,a,a from one_k;
# Start the transaction, get the snapshot
begin;
select * from t1 where col1<10;
pk	col1	col2
0	0	0
1	1	1
2	2	2
3	3	3
4	4	4
5	5	5
6	6	6
7	7	7
8	8	8
9	9	9
# Connect with another connection and make a conflicting change
begin;
update t1 set col2=123456 where pk=0;
commit;
update t1 set col2=col2+1 where col1 < 10 limit 5;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
drop table t1, ten, one_k;