) ENGINE=InnoDB DEFAULT CHARSET=utf8 /*!50100 PARTITION BY RANGE (to_days(access_time)) (PARTITION p1 VALUES LESS THAN (to_days(20190101)) ENGINE = InnoDB, PARTITION p2 VALUES LESS THAN (to_days(20190102)) ENGINE = InnoDB, PARTITION p3 VALUES LESS THAN (to_days(20190103)) ENGINE = In...
`customer_id` int(11) DEFAULT NULL, `branch_id` int(11) DEFAULT NULL, `region_id` int(11) DEFAULT NULL, `region` varchar(2) DEFAULT NULL, `status` varchar(1) DEFAULT NULL ) ENGINE=InnoDB PARTITION BY LIST (`region_id`) (PARTITION p_cn_north VALUES IN (1,2,3,4), PARTITION p...
DELIMITER $$CREATEPROCEDUREIFNOTEXISTSdrop_list_partition (part_valuebigint, tb_schemavarchar(128), tb_namevarchar(128))BEGINDECLAREstr_dayvarchar(64);DECLARE_errint(1);DECLAREdoneintDEFAULT0;DECLAREpar_namevarchar(64);DECLAREcur_partition_nameCURSORFORSELECTpartition_nameFROMINFORMATION_SCHEMA.PARTITIO...
LIST分区通过使用“PARTITION BY LIST(expr)”来实现,其中“expr”是某列值或一个基于某个列值、并返回一个整数值的表达式,然后通过“VALUES IN (value_list)”的方式来定义每个分区,其中“value_list”是一个通过逗号分隔的整数列表。 注释:在MySQL 5.1中,当使用LIST分区时,有可能只能匹配整数列表。 CREATE TABL...
mysql的partition分区又分为两种:按照范围分区(range),按照散列分区(list) 一:按照范围实现分区 mysql> create table topic( -> tid int(4) primary key auto_increment, -> title char(20) not null default '') -> engine=myisam default charset=utf8 ...
2) 创建list分区 create table emp (empnovarchar(20) not null , empnamevarchar(20), deptnoint, birthdatedatenot null, salaryint ) partition by list(deptno) ( partition p1 values in (10), partition p2 values in (20), partition p3 values in (30) ...
CREATE TABLE employees ( id INT NOT NULL, fname VARCHAR(30), lname VARCHAR(30), hired DATE NOT NULL DEFAULT '1970-01-01', separated DATE NOT NULL DEFAULT '9999-12-31', job_code INT, store_id INT ) PARTITION BY LIST(store_id) ( PARTITION pNorth VALUES IN (3,5,6,9,17), PART...
CREATETABLEusers(idINT,usernameVARCHAR(50),regionVARCHAR(50))PARTITIONBYLIST(region)(PARTITIONp_eastVALUESIN('New York','Boston'),PARTITIONp_westVALUESIN('Los Angeles','San Francisco'),PARTITIONp_otherVALUESIN(DEFAULT)); 1. 2. 3. 4. ...
PARTITION p_other VALUES IN (DEFAULT) ); 在上述示例中,我们创建了名为users的表,使用LIST分区策略。根据region列的具体取值将数据分布到不同的分区。 PARTITION BY LIST (region):指定使用LIST分区,基于region列的值进行分区。 PARTITION p_east VALUES IN ('New York', 'Boston'):定义名为p_east的分区,包...