postgres=# CREATE TABLE data ( payload integer, id integer ) PARTITION BY RANGE (payload); CREATE TABLE postgres=# CREATE TABLE positives PARTITION OF data FOR VALUES FROM (0) TO (MAXVALUE); CREATE TABLE postgres=# CREATE TABLE negatives PARTITION OF data FOR VALUES FROM (MINVALUE) TO (0...
CREATETABLEtbl_partition_2016_01() inherits (tbl_partition);CREATETABLEtbl_partition_2016_02() inherits (tbl_partition);CREATETABLEtbl_partition_2016_03() inherits (tbl_partition); 分表需要添加限制,这些限制决定了每张表允许保存的数据范围,每张表的限制范围不能有重叠。 ALTERTABLEtbl_partition_2016_01...
) INHERITS (tbl_partition);CREATETABLEdavid=#createtabletbl_partition_201301 (check( join_date>=DATE'2013-01-01'ANDjoin_date<DATE'2013-02-01') ) INHERITS (tbl_partition);CREATETABLEdavid=#createtabletbl_partition_201302 (check( join_date>=DATE'2013-02-01'ANDjoin_date<DATE'2013-03-01') ...
EXECUTE format('CREATE TABLE %I.%I PARTITION OF %I.%I FOR VALUES FROM (%L) TO (%L);', np_name, new_section_table_name, np_name,t_name,lastest_section_p_max_key,new_section_p_max_key); -- 主键约束::通用 new_section_table_pk_constraint_name = concat('PK_',new_section_table_n...
CREATE TABLESPACE ambulances_tb LOCATION '/pgdata/ambulances_space'; CREATE TABLESPACE others_tb LOCATION '/pgdata/others_space'; 在不同的表空间为主表创建分区 CREATETABLEvehicles2_unknownPARTITIONOFvehicles2FORVALUESIN(0)TABLESPACEothers_tb;CREATETABLEvehicles2_bikesPARTITIONOFvehicles2FORVALUESIN(1)TABLE...
CREATE TABLE students (id INTEGER, status character varying(30), name character varying(30)) PARTITION BY LIST(status); CREATE TABLE stu_active PARTITION OF students FOR VALUES IN ('ACTIVE'); CREATE TABLE stu_exp PARTITION OF students FOR VALUES IN ('EXPIRED'); ...
create table"tab_medaid"("id"varcharNOTNULL,"create_time"date)partition by range(create_time);Createtable tab_medaid_01PARTITIONOFtab_medaidforvaluesfrom('2022_10_08')to('2022_10_09')--列分区 create tablefenbiao(idint,year varchar)partition bylist(year);create table fenbiao_2022 partition...
1.如下创建分区表的主表关键字【partition by list】: create table fenqu( id int, date varchar ) partition by list(date) 2.创建分区表并指定主表: create table fenqu_20210805 partition of fenqu for values in ('2021-08-05'); create table fenqu_20210806 partition of fenqu for values in ...
CREATE TABLE tab_def PARTITION OF tab DEFAULT; 分区的创建一般分以下两种场景: 一、定时提前创建分区 定时提前创建分区只需一个定时任务调度工具即可实现,常见的定时任务调度工具和创建分区方法如下: 使用系统调度器,如 Crontab (Linux, Unix, etc.) 和 Task Scheduler (Windows) ...
alter table orders detach partition orders_current;--2、将子分区表重命名 alter table orders_current rename to orders_current_backup;--3、主表创建新的分区 create table orders_current partition of ordersforvaluesfrom('2025-01-01')to(MAXVALUE);create table orders_2024 partition of ordersforvaluesfro...