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drop table if exists t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b),
index (a))
engine = ndb
partition by range (a)
partitions 3
(partition x1 values less than (5),
partition x2 values less than (10),
partition x3 values less than (20));
INSERT into t1 values (1, 1, 1);
INSERT into t1 values (6, 1, 1);
INSERT into t1 values (10, 1, 1);
INSERT into t1 values (15, 1, 1);
select * from t1 order by a;
a b c
1 1 1
6 1 1
10 1 1
15 1 1
select * from t1 where a=1 order by a;
a b c
1 1 1
select * from t1 where a=15 and b=1 order by a;
a b c
15 1 1
select * from t1 where a=21 and b=1 order by a;
a b c
select * from t1 where a=21 order by a;
a b c
select * from t1 where a in (1,6,10,21) order by a;
a b c
1 1 1
6 1 1
10 1 1
select * from t1 where b=1 and a in (1,6,10,21) order by a;
a b c
1 1 1
6 1 1
10 1 1
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(b),
unique (a))
engine = ndb
partition by range (b)
partitions 3
(partition x1 values less than (5),
partition x2 values less than (10),
partition x3 values less than (20));
INSERT into t1 values (1, 1, 1);
INSERT into t1 values (2, 6, 1);
INSERT into t1 values (3, 10, 1);
INSERT into t1 values (4, 15, 1);
select * from t1 order by a;
a b c
1 1 1
2 6 1
3 10 1
4 15 1
UPDATE t1 set a = 5 WHERE b = 15;
select * from t1 order by a;
a b c
1 1 1
2 6 1
3 10 1
5 15 1
UPDATE t1 set a = 6 WHERE a = 5;
select * from t1 order by a;
a b c
1 1 1
2 6 1
3 10 1
6 15 1
select * from t1 where b=1 order by b;
a b c
1 1 1
select * from t1 where b=15 and a=1 order by b;
a b c
select * from t1 where b=21 and a=1 order by b;
a b c
select * from t1 where b=21 order by b;
a b c
select * from t1 where b in (1,6,10,21) order by b;
a b c
1 1 1
2 6 1
3 10 1
select * from t1 where a in (1,2,5,6) order by b;
a b c
1 1 1
2 6 1
6 15 1
select * from t1 where a=1 and b in (1,6,10,21) order by b;
a b c
1 1 1
DELETE from t1 WHERE b = 6;
DELETE from t1 WHERE a = 6;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) NOT NULL,
`c` int(11) NOT NULL,
PRIMARY KEY (`b`),
UNIQUE KEY `a` (`a`)
) ENGINE=ndbcluster DEFAULT CHARSET=latin1 PARTITION BY RANGE (b) (PARTITION x1 VALUES LESS THAN (5) ENGINE = ndbcluster, PARTITION x2 VALUES LESS THAN (10) ENGINE = ndbcluster, PARTITION x3 VALUES LESS THAN (20) ENGINE = ndbcluster)
drop table t1;
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