forked from huawei/openGauss-server
158 lines
6.7 KiB
SQL
158 lines
6.7 KiB
SQL
--
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-- Test exchange operator for interval partitioned table
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--
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--
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---- create interval partitioned table
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--
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CREATE TABLE interval_normal_exchange (logdate date not null)
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PARTITION BY RANGE (logdate)
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INTERVAL ('1 month')
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(
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PARTITION interval_normal_exchange_p1 VALUES LESS THAN ('2020-03-01'),
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PARTITION interval_normal_exchange_p2 VALUES LESS THAN ('2020-04-01'),
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PARTITION interval_normal_exchange_p3 VALUES LESS THAN ('2020-05-01')
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);
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-- see about the info of the partitioned table in pg_partition
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select relname, parttype, partstrategy, boundaries from pg_partition
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where parentid = (select oid from pg_class where relname = 'interval_normal_exchange')
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order by relname;
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-- insert the record that is smaller than the lower boundary
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insert into interval_normal_exchange values ('2020-02-21');
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insert into interval_normal_exchange values ('2020-02-22');
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insert into interval_normal_exchange values ('2020-02-23');
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insert into interval_normal_exchange values ('2020-5-01');
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insert into interval_normal_exchange values ('2020-5-02');
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insert into interval_normal_exchange values ('2020-5-03');
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-- see about the info of the partitioned table in pg_partition
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select relname, parttype, partstrategy, boundaries from pg_partition
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where parentid = (select oid from pg_class where relname = 'interval_normal_exchange')
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order by relname;
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--
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---- create to be exchanged table and test range partition exchange
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--
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CREATE TABLE interval_exchange_test (logdate date not null);
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insert into interval_exchange_test values ('2020-02-24');
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insert into interval_exchange_test values ('2020-02-25');
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insert into interval_exchange_test values ('2020-02-26');
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-- do exchange partition interval_normal_exchange_p1 and interval_exchange_test
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-- The data they have belongs to the same range.
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ALTER TABLE interval_normal_exchange EXCHANGE PARTITION (interval_normal_exchange_p1)
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WITH TABLE interval_exchange_test;
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select * from interval_normal_exchange partition (interval_normal_exchange_p1)order by logdate;
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select * from interval_exchange_test order by logdate;
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-- exchange back
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ALTER TABLE interval_normal_exchange EXCHANGE PARTITION (interval_normal_exchange_p1)
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WITH TABLE interval_exchange_test;
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select * from interval_normal_exchange partition (interval_normal_exchange_p1)order by logdate;
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select * from interval_exchange_test order by logdate;
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-- Insert a new record not belongs to interval_normal_exchange_p1
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insert into interval_exchange_test values ('2020-3-05');
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-- defaut is WITH VALIDATION, and the exchange will be failed
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ALTER TABLE interval_normal_exchange EXCHANGE PARTITION (interval_normal_exchange_p1)
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WITH TABLE interval_exchange_test;
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-- WITHOUT VALIDATION and the exchange will be success, but some date will in the wrong range;
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ALTER TABLE interval_normal_exchange EXCHANGE PARTITION (interval_normal_exchange_p1)
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WITH TABLE interval_exchange_test WITHOUT VALIDATION;
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select * from interval_normal_exchange partition (interval_normal_exchange_p1)order by logdate;
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select * from interval_exchange_test order by logdate;
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-- not include '2020-3-05'
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select * from interval_normal_exchange where logdate > '2020-03-01' order by logdate;
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--
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---- clean the data and test interval partition exchange
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--
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truncate table interval_exchange_test;
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insert into interval_exchange_test values ('2020-5-04');
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insert into interval_exchange_test values ('2020-5-05');
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insert into interval_exchange_test values ('2020-5-06');
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-- exchange table
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ALTER TABLE interval_normal_exchange EXCHANGE PARTITION (sys_p1)
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WITH TABLE interval_exchange_test;
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select * from interval_normal_exchange partition (sys_p1)order by logdate;
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select * from interval_exchange_test order by logdate;
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-- exchange back
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ALTER TABLE interval_normal_exchange EXCHANGE PARTITION (sys_p1)
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WITH TABLE interval_exchange_test;
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select * from interval_normal_exchange partition (sys_p1)order by logdate;
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select * from interval_exchange_test order by logdate;
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insert into interval_exchange_test values ('2020-6-05');
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-- defaut is WITH VALIDATION, and the exchange will be failed
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ALTER TABLE interval_normal_exchange EXCHANGE PARTITION (interval_normal_exchange_p1)
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WITH TABLE interval_exchange_test;
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-- WITHOUT VALIDATION and the exchange will be success, but some date will in the wrong range;
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ALTER TABLE interval_normal_exchange EXCHANGE PARTITION (interval_normal_exchange_p1)
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WITH TABLE interval_exchange_test WITHOUT VALIDATION;
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select * from interval_normal_exchange partition (interval_normal_exchange_p1)order by logdate;
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select * from interval_exchange_test order by logdate;
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-- not include '2020-6-05'
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select * from interval_normal_exchange order by logdate;
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select * from interval_normal_exchange where logdate > '2020-06-01' order by logdate;
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drop table interval_normal_exchange;
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drop table table_001;
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create table table_001(
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COL_1 smallint,
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COL_2 char(5),
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COL_3 int,
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COL_4 date,
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COL_5 boolean,
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COL_6 nchar(5),
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COL_7 float
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);
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drop table partition_table_001;
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create table partition_table_001(
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COL_1 smallint,
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COL_2 char(5),
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COL_3 int,
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COL_4 date,
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COL_5 boolean,
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COL_6 nchar(5),
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COL_7 float
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)
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PARTITION BY RANGE (COL_4)
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INTERVAL ('1 month')
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(
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PARTITION partition_table_001_p1 VALUES LESS THAN ('2020-03-01'),
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PARTITION partition_table_001_p2 VALUES LESS THAN ('2020-04-01'),
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PARTITION partition_table_001_p3 VALUES LESS THAN ('2020-05-01')
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);
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insert into partition_table_001 values (1,'aaa',1,'2020-02-23',true,'aaa',1.1);
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insert into partition_table_001 values (2,'bbb',2,'2020-03-23',false,'bbb',2.2);
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insert into partition_table_001 values (3,'ccc',3,'2020-04-23',true,'ccc',3.3);
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insert into partition_table_001 values (4,'ddd',4,'2020-05-23',false,'ddd',4.4);
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insert into partition_table_001 values (5,'eee',5,'2020-06-23',true,'eee',5.5);
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insert into partition_table_001 values (6,'fff',6,'2020-07-23',false,'fff',6.6);
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ALTER TABLE partition_table_001 EXCHANGE PARTITION (sys_p1) WITH TABLE table_001;
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select * from table_001 order by 1;
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select * from partition_table_001 order by 1;
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select relname, parttype, partstrategy, boundaries from pg_partition
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where parentid = (select oid from pg_class where relname = 'partition_table_001')
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order by relname;
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ALTER TABLE partition_table_001 EXCHANGE PARTITION (sys_p1) WITH TABLE table_001;
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select * from table_001 order by 1;
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select * from partition_table_001 order by 1;
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insert into table_001 values (7,'eee',7,'2020-08-23',true,'eee',7.7);
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ALTER TABLE partition_table_001 EXCHANGE PARTITION (sys_p1) WITH TABLE table_001 with validation verbose;
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select * from table_001 order by 1;
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select * from partition_table_001 order by 1;
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drop table table_001;
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drop table partition_table_001;
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