table_name|partition_name|subpartition_name|+-+-+-+|test_tbl_part_name2|p1|p1sp1|test_tbl_part_name2|p1|p1sp2|test_tbl_part_name2|p1|p1sp3|test_tbl_part_name2|p1|p1sp4|test_tbl_part_name2|p2|p2sp1|test_tbl_part_name2|p2|p2...
AppSwitch(des="枚举类型开关",level=Level.p1)public static EnumType enumTypeSwitch=EnumType.ITEM1;AppSwitch(des="泛型为List Integer 的LinkedList",level=Level.p1)public static List List Integer LIST_INT_LINKEDLIST=new ...
An UPSERT statement works in the same manner as the combination...Writes data to the other columns for the same row.Write data to all specified columns at a time.UPSERT INTO dt(p1,p2,c1,c2)VALUES(1,2,3,4),(2,3,4,5),(3,4,5,6);
示例 对p1分区进行截断：CREATE TABLE hash_partitions_sales(deptno NUMBER,deptname VARCHAR(32))PARTITION BY HASH(deptno)(PARTITION p1,PARTITION p2,PARTITION p3,PARTITION p4,PARTITION p5);ALTER TABLE hash_partitions_sales ...
示例 对p1分区进行截断：CREATE TABLE hash_partitions_sales(deptno NUMBER,deptname VARCHAR(32))PARTITION BY HASH(deptno)(PARTITION p1,PARTITION p2,PARTITION p3,PARTITION p4,PARTITION p5);ALTER TABLE hash_partitions_sales ...
使用示例 ROSTemplateFormatVersion:'2015-09-01' Parameters:p1:Default:|-[client]port=3306 password=123 Type:String Outputs:result:Value:'Fn:Sub':|data:${p1}-p1:'Fn:Indent':Ref:p1-1 调整格式前输出 data:[client]port=3306 ...
You can execute the following SQL statement to split the p1 partition into the p10,p11,and p12 partitions.This indicates that both the p1 partition of tb1 and the p1 partition of tb2 are split into the p10,p11,and p12 ...
11/bin/pgbench-M prepared-n-r-P 1-f./ro.sql-c 256-j 128-T 120-D scale=10000-D range=500000000 Total data volume:1 billion records,hot data:1 billion records/usr/pgsql-11/bin/pgbench-M prepared-n-r-P 1-f./ro.sql-c 256-j 128...
CREATE ETL IF NOT EXISTS filter1 AS INSERT INTO `lindorm_table`.`default`.`sink`(p1,c1)SELECT p1,c1 FROM `lindorm_table`.`default`.`source` WHERE c1 10;示例二：创建ETL filter2，将源表 source 中符合条件的数据插入到结果表 ...
11/bin/pgbench-M prepared-n-r-P 1-f./ro.sql-c 256-j 128-T 120-D scale=10000-D range=500000000 Total data volume:1 billion records,hot data:1 billion records/usr/pgsql-11/bin/pgbench-M prepared-n-r-P 1-f./ro.sql-c 256-j 128...
CREATE ETL IF NOT EXISTS filter2 WITH(`parallelism`='2',`stream.execution.checkpointing.interval`='30000')AS INSERT INTO `lindorm_table`.`default`.`sink`(p1,c1)SELECT p1,c1 FROM `lindorm_table`.`default`.`source` WHERE c1 ...
PARTITION p2 VALUES LESS THAN(100))This statement can be executed.Partition p2 of table tb1 is stored on data node DN2.After the statement is executed,partition p2 of table tb1 is migrated from DN2 to DN3,and the table ...
表级用法 假设表tb1的定义为：CREATE TABLE tb1(a int)PARTITION BY LIST(a)(PARTITION p1 VALUES IN(1,2,3,4,5,6),PARTITION p2 VALUES IN(7,8,9),PARTITION p3 VALUES IN(default))执行以下SQL将p1、p3合并成一个新分区p13：ALTER TABLE ...
c1,c2,c3 from test where((p1 4)AND(p1=3)AND(p1 LIKE 3_%))supportEmptyResult true Candidate tables:Data table:test,scores=1.0.1,need query back=false,sort type=FORWARD Chose data table[test].-SELECT p1,c1,c2,c3 from test ...
QUERY PLAN-Gather Workers Planned:6-Parallel Append-Seq Scan on prt1_p5-Seq Scan on prt1_default-Seq Scan on prt1_p4-Seq Scan on prt1_p1-Seq Scan on prt1_p2-Seq Scan on prt1_p3(9 rows)In the preceding example,the prt1 ...
QUERY PLAN-Gather Workers Planned:6-Parallel Append-Seq Scan on prt1_p5-Seq Scan on prt1_default-Seq Scan on prt1_p4-Seq Scan on prt1_p1-Seq Scan on prt1_p2-Seq Scan on prt1_p3(9 rows)There are six partitions of the prt1 ...
分区名称相同的分区定义完全一致，例如对于List分区，所有表的P1的定义都是 PARTITION P1 VALUES IN('杭州'，'广州')。分区名称相同的物理表都在一个存储节点。在表组内，分区名称相同的分区集合称为分区组，例如所有表的P1分区集合称为...
QUERY PLAN-Gather Workers Planned:6-Parallel Append-Seq Scan on prt1_p5-Seq Scan on prt1_default-Seq Scan on prt1_p4-Seq Scan on prt1_p1-Seq Scan on prt1_p2-Seq Scan on prt1_p3(9 rows)There are six partitions of the prt1 ...
Sample output:+-+-+|p1|EXPR$1|+-+-+|1|18,10|2|100,40,66|+-+-+Example 3:Group the column c1 based on the primary key column p1 and sort the result in ascending order based on the column c1.SELECT p1,GROUP_CONCAT(c1 ORDER BY...
QUERY PLAN-Gather Workers Planned:6-Parallel Append-Seq Scan on prt1_p5-Seq Scan on prt1_default-Seq Scan on prt1_p4-Seq Scan on prt1_p1-Seq Scan on prt1_p2-Seq Scan on prt1_p3(9 rows)In the preceding example,the prt1 ...
返回结果如下：+-+-+-+-+-+|p1|c1|c2|c3|c4|+-+-+-+-+-+|1|null|1|0x41|null|2|null|null|null|0xef0011|3|null|null|null|0xef0011|+-+-+-+-+-+重要 对于动态列表的 SELECT*查询操作，LIMIT的默认最大值为5000，超过最大值会报错。...
partition_tables AS(SELECT DISTINCT p1.table_namespace,p1.table_name FROM hologres.hg_table_properties p1 WHERE p1.property_key='logical_partition_columns' AND EXISTS(SELECT 1 FROM hologres.hg_table_properties p2 WHERE p2....
true ShowAddition:true Order:p2-p1 Default:p1:p10 p2:true-p1:p11 p2:false 元素数组展示示例 当您使用模板示例创建资源栈或资源栈组时，资源编排控制台会根据模板示例渲染参数。JSON参数 JSON参数用于渲染一个可定义的 schema 对象，...
给r_t1表的p1、p2、p3这3个连续分区重组为p4、p5,且p4、p5的定义是(PARTITION p4 VALUES LESS THAN(2024),PARTITION p5 VALUES LESS THAN(2027))。具体用法如下所示：表级用法#基于表名字进行表级的分区变更操作 ALTER TABLE r_t1/*表名*/...
示例 假设建表语句如下：创建表sensor CREATE TABLE sensor(p1 INT,c1 INT,c2 VARCHAR,PRIMARY KEY(p1))WITH(COMPRESSION='ZSTD',TTL='2592000',DYNAMIC_COLUMNS='TRUE');写入动态列c3 UPSERT INTO sensor(p1,c2,c3)VALUES(1,'1','41');...
此时表中数据如下所示：+-+-+-+-+|p1|c1|c2|c3|+-+-+-+-+|1|1|a|a|+-+-+-+-+根据主键更新 UPDATE sensor SET c2='b' WHERE p1=1;结果验证 您可以执行 SELECT*FROM sensor;语句，验证数据是否更新成功。预计返回结果如下：+-+-+-+-+|p1|c1|c...
示例1：修改非模板化二级List分区并增加Values 给k_l_ntp_t1表的第1个一级分区p1的二级分区p1sp2增加2个values，新的values值是（2017，2019）。具体用法如下所示：表级用法#基于表名字进行表级的分区变更操作 ALTER TABLE k_l_ntp_t1/*表...
r_h_tp(id bigint not null auto_increment,bid int,name varchar(30),birthday datetime not null,primary key(id))PARTITION BY RANGE(TO_DAYS(birthday))SUBPARTITION BY HASH(bid)SUBPARTITIONS 4(PARTITION p1 VALUES LESS THAN(TO_...
name)SUBPARTITION BY HASH(bid)SUBPARTITIONS 4(PARTITION p1 VALUES LESS THAN('2000-01-01','Jack'),PARTITION p2 VALUES LESS THAN(MAXVALUE,MAXVALUE))Non-templated syntax CREATE TABLE tb_rc_h_ntp(id bigint not null auto_...