创建CO_HASH-HASH二级分区
模板化用法
CREATE TABLE tb_ch_h_tp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY HASH(id)
SUBPARTITIONS 4
非模板化用法
CREATE TABLE tb_ch_h_ntp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY HASH(id)
(
PARTITION p1 SUBPARTITIONS 2,
PARTITION p2 SUBPARTITIONS 4
)
创建CO_HASH-KEY二级分区
模板化用法
CREATE TABLE tb_ch_k_tp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY KEY(id)
SUBPARTITIONS 4
非模板化用法
CREATE TABLE tb_ch_k_ntp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY KEY(id)
(
PARTITION p1 SUBPARTITIONS 2,
PARTITION p2 SUBPARTITIONS 4
)
创建CO_HASH-RANGE二级分区
模板化用法
CREATE TABLE tb_ch_r_tp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY RANGE(id) (
SUBPARTITION sp1 VALUES LESS THAN(1000),
SUBPARTITION sp2 VALUES LESS THAN(MAXVALUE)
)
非模板化用法
CREATE TABLE tb_ch_r_ntp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY RANGE(id)
(
PARTITION p1 (
SUBPARTITION sp1 VALUES LESS THAN(1000),
SUBPARTITION sp2 VALUES LESS THAN(MAXVALUE)
),
PARTITION p2 (
SUBPARTITION sp3 VALUES LESS THAN(1000),
SUBPARTITION sp4 VALUES LESS THAN(2000),
SUBPARTITION sp5 VALUES LESS THAN(MAXVALUE)
)
)
创建CO_HASH-RANGE COLUMNS二级分区
模板化用法
CREATE TABLE tb_ch_rc_tp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY RANGE COLUMNS(birthday,id) (
SUBPARTITION sp1 VALUES LESS THAN('2000-01-01',1000),
SUBPARTITION sp2 VALUES LESS THAN(MAXVALUE,MAXVALUE)
)
非模板化用法
CREATE TABLE tb_ch_rc_ntp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY RANGE COLUMNS(birthday,id)
(
PARTITION p1 (
SUBPARTITION sp1 VALUES LESS THAN('2000-01-01',1000),
SUBPARTITION sp2 VALUES LESS THAN(MAXVALUE,MAXVALUE)
),
PARTITION p2 (
SUBPARTITION sp3 VALUES LESS THAN('2000-01-01',1000),
SUBPARTITION sp4 VALUES LESS THAN('2020-01-01',2000),
SUBPARTITION sp5 VALUES LESS THAN(MAXVALUE,MAXVALUE)
)
)
创建CO_HASH-LIST二级分区
模板化用法
CREATE TABLE tb_ch_l_tp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY LIST(id) (
SUBPARTITION sp1 VALUES IN (1000,2000),
SUBPARTITION sp2 VALUES IN (3000,4000),
SUBPARTITION sp3 VALUES In (DEFAULT)
)
非模板化用法
CREATE TABLE tb_ch_l_ntp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY LIST(id)
(
PARTITION p1 (
SUBPARTITION sp1 VALUES IN (1000,2000),
SUBPARTITION sp2 VALUES IN (3000,4000),
SUBPARTITION sp3 VALUES In (DEFAULT)
),
PARTITION p2 (
SUBPARTITION sp4 VALUES IN (5000,6000),
SUBPARTITION sp5 VALUES In (DEFAULT)
)
)
创建CO_HASH-LIST COLUMNS二级分区
模板化用法
CREATE TABLE tb_ch_lc_tp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY LIST COLUMNS(birthday,id)
(
SUBPARTITION sp1 VALUES IN (('2000-01-01',1000),('2000-02-01',2000)),
SUBPARTITION sp2 VALUES IN (('2001-01-01',3000),('2001-02-01',4000)),
SUBPARTITION sp3 VALUES In (DEFAULT)
)
非模板化用法
CREATE TABLE tb_ch_lc_ntp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY LIST COLUMNS(birthday,id)
(
PARTITION p1 (
SUBPARTITION sp1 VALUES IN (('2000-01-01',1000),('2000-02-01',2000)),
SUBPARTITION sp2 VALUES IN (('2001-01-01',3000),('2001-02-01',4000)),
SUBPARTITION sp3 VALUES In (DEFAULT)
),
PARTITION p2 (
SUBPARTITION sp4 VALUES IN (('2002-01-10',5000),('2002-02-10',6000)),
SUBPARTITION sp5 VALUES In (DEFAULT)
)
)
创建CO_HASH-CO_HASH二级分区
模板化用法
CREATE TABLE tb_ch_ch_tp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
nick varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY CO_HASH(RIGHT(bid, 4),RIGHT(uid, 4))
PARTITIONS 2
SUBPARTITION BY CO_HASH(RIGHT(name, 6),RIGHT(nick, 6))
SUBPARTITIONS 4
非模板化用法
CREATE TABLE tb_ch_ch_ntp(
id bigint not null auto_increment,
bid int,
uid int,
name varchar(30),
nick varchar(30),
birthday datetime not null,
primary key(id)
)
PARTITION BY KEY(bid,name)
PARTITIONS 2
SUBPARTITION BY CO_HASH(RIGHT(name, 6),RIGHT(nick, 6))
(
PARTITION p1 SUBPARTITIONS 2,
PARTITION p2 SUBPARTITIONS 4
)
文档内容是否对您有帮助?