mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 14:33:32 +03:00
390 lines
11 KiB
Plaintext
390 lines
11 KiB
Plaintext
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;
|
|
CREATE TABLE t1 (c1 int default NULL, c2 varchar(30) default NULL,
|
|
c3 date default NULL) engine=myisam
|
|
PARTITION BY RANGE (year(c3)) (PARTITION p0 VALUES LESS THAN (1995),
|
|
PARTITION p1 VALUES LESS THAN (1996) , PARTITION p2 VALUES LESS THAN (1997) ,
|
|
PARTITION p3 VALUES LESS THAN (1998) , PARTITION p4 VALUES LESS THAN (1999) ,
|
|
PARTITION p5 VALUES LESS THAN (2000) , PARTITION p6 VALUES LESS THAN (2001) ,
|
|
PARTITION p7 VALUES LESS THAN (2002) , PARTITION p8 VALUES LESS THAN (2003) ,
|
|
PARTITION p9 VALUES LESS THAN (2004) , PARTITION p10 VALUES LESS THAN (2010),
|
|
PARTITION p11 VALUES LESS THAN MAXVALUE );
|
|
INSERT INTO t1 VALUES (1, 'testing partitions', '1995-07-17'),
|
|
(3, 'testing partitions','1995-07-31'),
|
|
(5, 'testing partitions','1995-08-13'),
|
|
(7, 'testing partitions','1995-08-26'),
|
|
(9, 'testing partitions','1995-09-09'),
|
|
(0, 'testing partitions','2000-07-10'),
|
|
(2, 'testing partitions','2000-07-23'),
|
|
(4, 'testing partitions','2000-08-05'),
|
|
(6, 'testing partitions','2000-08-19'),
|
|
(8, 'testing partitions','2000-09-01');
|
|
SELECT COUNT(*) FROM t1 WHERE c3 BETWEEN '1996-12-31' AND '2000-12-31';
|
|
COUNT(*)
|
|
5
|
|
SELECT COUNT(*) FROM t1 WHERE c3 < '2000-12-31';
|
|
COUNT(*)
|
|
10
|
|
DROP TABLE t1;
|
|
create table t1 (a int)
|
|
partition by range (MOD(a,3))
|
|
subpartition by hash(a)
|
|
subpartitions 2
|
|
(partition p0 values less than (1),
|
|
partition p1 values less than (2),
|
|
partition p2 values less than (3),
|
|
partition p3 values less than (4));
|
|
ALTER TABLE t1 DROP PARTITION p3;
|
|
ALTER TABLE t1 DROP PARTITION p1;
|
|
ALTER TABLE t1 DROP PARTITION p2;
|
|
drop table t1;
|
|
create table t1 (a int)
|
|
partition by range (MOD(a,3))
|
|
subpartition by hash(a)
|
|
subpartitions 2
|
|
(partition p0 values less than (1),
|
|
partition p1 values less than (2),
|
|
partition p2 values less than (3),
|
|
partition p3 values less than (4));
|
|
ALTER TABLE t1 DROP PARTITION p0;
|
|
ALTER TABLE t1 DROP PARTITION p1;
|
|
ALTER TABLE t1 DROP PARTITION p2;
|
|
drop table t1;
|