PostgreSQL的分区表建立(2)

来源：未知责任编辑：责任编辑发表时间:2014-01-25 11:38　点击:次

inherits(parent_table);

3.创建触发器函数

CREATE OR REPLACE FUNCTION test.tri_parent_tab_insert()

RETURNS TRIGGER AS $$

--author: kenyon

--created:2012-05-24

BEGIN

IF ( NEW.create_time >= DATE '2012-01-01' AND

NEW.create_time < DATE '2012-02-01' ) THEN

INSERT INTO test.parent_table_2012_01 VALUES (NEW.id,NEW.name,NEW.create_time);

ELSIF ( NEW.create_time >= DATE '2012-02-01' AND

NEW.create_time < DATE '2012-03-01' ) THEN

INSERT INTO test.parent_table_2012_02 VALUES (NEW.id,NEW.name,NEW.create_time); www.2cto.com

ELSIF ( NEW.create_time >= DATE '2012-03-01' AND

NEW.create_time < DATE '2012-04-01' ) THEN

INSERT INTO test.parent_table_2012_03 VALUES (NEW.id,NEW.name,NEW.create_time);

ELSIF ( NEW.create_time >= DATE '2012-04-01' AND

NEW.create_time < DATE '2012-05-01' ) THEN

INSERT INTO test.parent_table_2012_04 VALUES (NEW.id,NEW.name,NEW.create_time);

ELSIF ( NEW.create_time >= DATE '2012-05-01' AND

NEW.create_time < DATE '2012-06-01' ) THEN

INSERT INTO test.parent_table_2012_05 VALUES (NEW.id,NEW.name,NEW.create_time);

ELSIF ( NEW.create_time >= DATE '2012-06-01' AND

NEW.create_time < DATE '2012-07-01' ) THEN

INSERT INTO test.parent_table_2012_06 VALUES (NEW.id,NEW.name,NEW.create_time);

ELSIF ( NEW.create_time >= DATE '2012-07-01' AND

NEW.create_time < DATE '2012-08-01' ) THEN

INSERT INTO test.parent_table_2012_07 VALUES (NEW.id,NEW.name,NEW.create_time);