DROP TABLE IF EXISTS t1;
create table t1 (a int not null primary key, b int not null, c int,
unique index_b (b) using hash)
engine ndb;
insert into t1 values (1,10,1),(2,9,1),(3,8,1),(4,7,1),(5,6,1),(6,5,2),(7,4,2),(8,3,2),
(9,2,2),(10,1,2);
update t1 set c = 111, b = 20 where a = 1;
select * from t1 where a = 1 order by a;
a	b	c
1	20	111
delete from t1 where a = 1;
select * from t1 where a = 1 order by a;
a	b	c
update t1 set c = 12, b = 19 where b = 2;
select * from t1 where b = 2 order by a;
a	b	c
delete from t1 where b = 19;
select * from t1 where b = 19 order by a;
a	b	c
update t1 set c = 22 where a = 10 or a >= 10;
select * from t1 order by a;
a	b	c
2	9	1
3	8	1
4	7	1
5	6	1
6	5	2
7	4	2
8	3	2
10	1	22
update t1 set c = 23 where a in (8,10);
select * from t1 order by a;
a	b	c
2	9	1
3	8	1
4	7	1
5	6	1
6	5	2
7	4	2
8	3	23
10	1	23
update t1 set c = 23 where a in (7,8) or a >= 10;
select * from t1 order by a;
a	b	c
2	9	1
3	8	1
4	7	1
5	6	1
6	5	2
7	4	23
8	3	23
10	1	23
update t1 set c = 11 where a = 3 or b = 7;
select * from t1 where a = 3 or b = 7 order by a;
a	b	c
3	8	11
4	7	11
update t1 set a = 13, b = 20 where a = 3;
select * from t1 where a = 13 order by a;
a	b	c
13	20	11
update t1 set a = 12, b = 19 where b = 7;
select * from t1 where b = 19 order by a;
a	b	c
12	19	11
select * from t1 where b = 7 order by a;
a	b	c
update t1 set c = 12, b = 29 where a = 5 and b = 6;
select * from t1 where b = 19 order by a;
a	b	c
12	19	11
delete from t1 where b = 6 and c = 12;
select * from t1 where b = 6 order by a;
a	b	c
drop table t1;