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drop table if exists t1, t2;
CREATE TABLE t1 (
a int PRIMARY KEY
) engine = ndb;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (3);
INSERT INTO t1 VALUES (4);
INSERT INTO t1 VALUES (5);
INSERT INTO t1 VALUES (6);
select MAX(a) from t1;
MAX(a)
6
select MAX(a) from t1;
MAX(a)
6
select MAX(a) from t1;
MAX(a)
6
select MAX(a) from t1;
MAX(a)
6
select MIN(a) from t1;
MIN(a)
1
select MIN(a) from t1;
MIN(a)
1
select MIN(a) from t1;
MIN(a)
1
select * from t1 order by a;
a
1
2
3
4
5
6
select MIN(a) from t1;
MIN(a)
1
select MAX(a) from t1;
MAX(a)
6
select MAX(a) from t1;
MAX(a)
6
select * from t1 order by a;
a
1
2
3
4
5
6
drop table t1;
CREATE TABLE t2 (
a int PRIMARY KEY,
b int not null,
c int not null,
KEY(b),
UNIQUE(c)
) engine = ndb;
INSERT INTO t2 VALUES (1, 5, 1);
INSERT INTO t2 VALUES (2, 2, 7);
INSERT INTO t2 VALUES (3, 3, 3);
INSERT INTO t2 VALUES (4, 4, 4);
INSERT INTO t2 VALUES (5, 5, 5);
INSERT INTO t2 VALUES (6, 6, 6);
INSERT INTO t2 VALUES (7, 2, 10);
INSERT INTO t2 VALUES (8, 10, 2);
select MAX(a) from t2;
MAX(a)
8
select MAX(b) from t2;
MAX(b)
10
select MAX(c) from t2;
MAX(c)
10
select MIN(a) from t2;
MIN(a)
1
select MIN(b) from t2;
MIN(b)
2
select MIN(c) from t2;
MIN(c)
1
select * from t2 order by a;
a b c
1 5 1
2 2 7
3 3 3
4 4 4
5 5 5
6 6 6
7 2 10
8 10 2
select MIN(b) from t2;
MIN(b)
2
select MAX(a) from t2;
MAX(a)
8
select MAX(c) from t2;
MAX(c)
10
select * from t2 order by a;
a b c
1 5 1
2 2 7
3 3 3
4 4 4
5 5 5
6 6 6
7 2 10
8 10 2
drop table t2;
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