new_section_table_pk_constraint_name = concat('PK_',new_section_table_name); EXECUTE format('alter table %I.%I add constraint %I primary key("id");', np_name, new_section_table_name, new_section_table_pk_constraint_name); -- 索引 id_idx := concat('id_idx_',lastest_section_p_max...
inserttstmp timestamp not NULL archivedate timestamp NULL )PARTITION BY RANGE (archivedate); CREATE TABLE ins_txn_attachment_live PARTITION OF ins_txn_attachment DEFAULT; ALTER TABLE ins_txn_attachment_live ADD CHECK (archivedate is null); ALTER TABLE ins_txn_attachment_live ADD CONSTRAINT...
postgres=# ALTER TABLE t_data_2014 ADD CHECK (t >= '2014-01-01' AND t < '2015-01-01'); ALTER TABLE postgres=# ALTER TABLE t_data_2015 ADD CHECK (t >= '2015-01-01' AND t < '2016-01-01'); ALTER TABLE postgres=# ALTER TABLE t_data_2016 ADD CHECK (t >= '2016-01-01'...
ALTERTABLEalmart_2022_03_10ADDCONSTRAINTalmart_2022_03_10_check_date_keyCHECK(date_Key='2022-03-10'::date);ALTERTABLEalmart_2022_03_11ADDCONSTRAINTalmart_2022_03_10_check_date_keyCHECK(date_Key='2022-03-11'::date);ALTERTABLEalmart_2022_03_12ADDCONSTRAINTalmart_2015_03_10_check_date_keyC...
psql -c "CREATE TABLE tab_\$dateStr (LIKE tab INCLUDING INDEXES); ALTER TABLE tab ATTACH PARTITION tab_\$dateStr FOR VALUES IN ('\$dateStr')"; EOF (crontab -l2>/dev/null;echo"0 14 * * * bash /tmp/create_part.sh ")|crontab- ...
创建主表结构, 表名称 tbl_partition, 其中的时间字段名: gather_time CREATE TABLE tbl_partition ( id integer, name text, data numeric, gather_time timestamp ); 为主表创建触发器, 其中,调用了触发器函数 auto_insert_into_tbl_partition(‘gather_time’) ...
1.创建访问分区表的主表关键字【partition by range】 create table fenqu2( id int, date varchar ) partition by range(date) 2.创建分区表并指定主表 create table fenqu_20210805_10 partition of fenqu2 for values from ('2021-08-05') to ('2021-08-10'); ...
postgres=#ALTERTABLEtbl_log ATTACHPARTITIONtbl_log_defaultDEFAULT;ALTERTABLE AI代码助手复制代码 3、没有default的分区 创建没有default的分区,当插入的数据超过规划好的分区的时候会报错 1、创建1月份分区 createtabletbl_log2 ( id serial, create_timetimestamp(0)withouttimezone, ...
ALTER TABLE vehicle2_cars ALTER COLUMN name SET NOT NULL; CREATE UNIQUE INDEX vehicles2_cars_name ON vehicles2_cars(name); 3. 变更分区方式 解除分区表与主表的关联关系,重建新的分区表 ALTERTABLEvehicles2DETACHPARTITIONvehicles2_cars;CREATETABLEvehicles2_cars2PARTITIONOFvehicles2FORVALUESIN(2)PARTITION...
david=# create table tbl_partition ( david(# id integer, david(# name varchar(20), david(# gender boolean, david(# join_date date, david(# dept char(4)); CREATE TABLE david=# 3.2 创建分区表 david=# create table tbl_partition_201211 ( check ( join_date >= DATE '2012-11-01' AND...