drop table if exists t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by range (a)
partitions 3
(partition x1 values less than (5) tablespace ts1,
partition x2 values less than (10) tablespace ts2,
partition x3 values less than maxvalue tablespace ts3);
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;
a	b	c
1	1	1
6	1	1
10	1	1
15	1	1
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  (`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 PARTITION BY RANGE (a) (PARTITION x1 VALUES LESS THAN (5) TABLESPACE = ts1 ENGINE = MyISAM, PARTITION x2 VALUES LESS THAN (10) TABLESPACE = ts2 ENGINE = MyISAM, PARTITION x3 VALUES LESS THAN MAXVALUE TABLESPACE = ts3 ENGINE = MyISAM)
ALTER TABLE t1
partition by range (a)
partitions 3
(partition x1 values less than (5) tablespace ts1,
partition x2 values less than (10) tablespace ts2,
partition x3 values less than maxvalue tablespace ts3);
select * from t1;
a	b	c
1	1	1
6	1	1
10	1	1
15	1	1
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  (`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 PARTITION BY RANGE (a) (PARTITION x1 VALUES LESS THAN (5) TABLESPACE = ts1 ENGINE = MyISAM, PARTITION x2 VALUES LESS THAN (10) TABLESPACE = ts2 ENGINE = MyISAM, PARTITION x3 VALUES LESS THAN MAXVALUE TABLESPACE = ts3 ENGINE = MyISAM)
drop table if exists t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null)
partition by range (a)
partitions 3
(partition x1 values less than (5) tablespace ts1,
partition x2 values less than (10) tablespace ts2,
partition x3 values less than maxvalue tablespace ts3);
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;
a	b	c
1	1	1
6	1	1
10	1	1
15	1	1
ALTER TABLE t1
partition by range (a)
partitions 3
(partition x1 values less than (5) tablespace ts1,
partition x2 values less than (10) tablespace ts2,
partition x3 values less than maxvalue tablespace ts3);
select * from t1;
a	b	c
1	1	1
6	1	1
10	1	1
15	1	1
drop table if exists t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by range (a)
partitions 3
(partition x1 values less than (5) tablespace ts1,
partition x2 values less than (10) tablespace ts2,
partition x3 values less than (15) tablespace ts3);
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);
ERROR HY000: Table has no partition for value 15
select * from t1;
a	b	c
1	1	1
6	1	1
10	1	1
ALTER TABLE t1
partition by range (a)
partitions 3
(partition x1 values less than (5) tablespace ts1,
partition x2 values less than (10) tablespace ts2,
partition x3 values less than (15) tablespace ts3);
select * from t1;
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(a,b))
partition by range (a)
(partition x1 values less than (1));
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key (a,b)) 
partition by range (a)
subpartition by hash (a+b) 
( partition x1 values less than (1)
( subpartition x11,
subpartition x12),
partition x2 values less than (5)
( subpartition x21,
subpartition x22)
);
SELECT * from t1;
a	b	c
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  (`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 PARTITION BY RANGE (a) SUBPARTITION BY HASH (a+b) (PARTITION x1 VALUES LESS THAN (1)  (SUBPARTITION x11 ENGINE = MyISAM, SUBPARTITION x12 ENGINE = MyISAM), PARTITION x2 VALUES LESS THAN (5)  (SUBPARTITION x21 ENGINE = MyISAM, SUBPARTITION x22 ENGINE = MyISAM))
ALTER TABLE t1 ADD COLUMN d int;
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,
  `d` int(11) default NULL,
  PRIMARY KEY  (`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 PARTITION BY RANGE (a) SUBPARTITION BY HASH (a+b) (PARTITION x1 VALUES LESS THAN (1)  (SUBPARTITION x11 ENGINE = MyISAM, SUBPARTITION x12 ENGINE = MyISAM), PARTITION x2 VALUES LESS THAN (5)  (SUBPARTITION x21 ENGINE = MyISAM, SUBPARTITION x22 ENGINE = MyISAM))
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key (a,b))
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 tablespace t1 engine myisam nodegroup 0,
subpartition x12 tablespace t2 engine myisam nodegroup 1),
partition x2 values less than (5)
( subpartition x21 tablespace t1 engine myisam nodegroup 0,
subpartition x22 tablespace t2 engine myisam nodegroup 1)
);
SELECT * from t1;
a	b	c
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key (a,b))
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 tablespace t1 nodegroup 0,
subpartition x12 tablespace t2 nodegroup 1),
partition x2 values less than (5)
( subpartition x21 tablespace t1 nodegroup 0,
subpartition x22 tablespace t2 nodegroup 1)
);
SELECT * from t1;
a	b	c
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key (a,b))
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 engine myisam nodegroup 0,
subpartition x12 engine myisam nodegroup 1),
partition x2 values less than (5)
( subpartition x21 engine myisam nodegroup 0,
subpartition x22 engine myisam nodegroup 1)
);
INSERT into t1 VALUES (1,1,1);
INSERT into t1 VALUES (4,1,1);
INSERT into t1 VALUES (5,1,1);
ERROR HY000: Table has no partition for value 5
SELECT * from t1;
a	b	c
1	1	1
4	1	1
ALTER TABLE t1
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 engine myisam nodegroup 0,
subpartition x12 engine myisam nodegroup 1),
partition x2 values less than (5)
( subpartition x21 engine myisam nodegroup 0,
subpartition x22 engine myisam nodegroup 1)
);
SELECT * from t1;
a	b	c
1	1	1
4	1	1
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key (a,b))
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 tablespace t1 engine myisam,
subpartition x12 tablespace t2 engine myisam),
partition x2 values less than (5)
( subpartition x21 tablespace t1 engine myisam,
subpartition x22 tablespace t2 engine myisam)
);
INSERT into t1 VALUES (1,1,1);
INSERT into t1 VALUES (4,1,1);
INSERT into t1 VALUES (5,1,1);
ERROR HY000: Table has no partition for value 5
SELECT * from t1;
a	b	c
1	1	1
4	1	1
ALTER TABLE t1
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 tablespace t1 engine myisam,
subpartition x12 tablespace t2 engine myisam),
partition x2 values less than (5)
( subpartition x21 tablespace t1 engine myisam,
subpartition x22 tablespace t2 engine myisam)
);
SELECT * from t1;
a	b	c
1	1	1
4	1	1
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key (a,b))
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 tablespace t1,
subpartition x12 tablespace t2),
partition x2 values less than (5)
( subpartition x21 tablespace t1,
subpartition x22 tablespace t2)
);
INSERT into t1 VALUES (1,1,1);
INSERT into t1 VALUES (4,1,1);
INSERT into t1 VALUES (5,1,1);
ERROR HY000: Table has no partition for value 5
SELECT * from t1;
a	b	c
1	1	1
4	1	1
ALTER TABLE t1
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 tablespace t1 engine myisam,
subpartition x12 tablespace t2 engine myisam),
partition x2 values less than (5)
( subpartition x21 tablespace t1 engine myisam,
subpartition x22 tablespace t2 engine myisam)
);
SELECT * from t1;
a	b	c
1	1	1
4	1	1
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key (a,b))
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 engine myisam,
subpartition x12 engine myisam),
partition x2 values less than (5)
( subpartition x21 engine myisam,
subpartition x22 engine myisam)
);
INSERT into t1 VALUES (1,1,1);
INSERT into t1 VALUES (4,1,1);
INSERT into t1 VALUES (5,1,1);
ERROR HY000: Table has no partition for value 5
SELECT * from t1;
a	b	c
1	1	1
4	1	1
ALTER TABLE t1
partition by range (a)
subpartition by hash (a+b)
( partition x1 values less than (1)
( subpartition x11 engine myisam,
subpartition x12 engine myisam),
partition x2 values less than (5)
( subpartition x21 engine myisam,
subpartition x22 engine myisam)
);
SELECT * from t1;
a	b	c
1	1	1
4	1	1
drop table t1;
