Interesting. I wonder what I am doing wrong. I will try and setup the database again and see if I can get it to work.
thank you for testing it out for me. Richard On May 21, 2013, at 1:06 PM, Raghavendra <raghavendra....@enterprisedb.com> wrote: > On Tue, May 21, 2013 at 11:03 PM, Richard Onorato <richard_onor...@yahoo.com> > wrote: > I am wanting to partition my data based on a mod of one of the bigint > columns, but when I run my insert test all the data goes into the base table > and not the partitions. Here is what the table looks like: > > CREATE table MyMappingTable ( id bigserial NOT NULL, > c1 bigInt NOT NULL, > c2 bigInt NOT NULL, > c3 bigint NOT NULL, > count bigint DEFAULT 1, > createdTime timestamp with time zone > default CURRENT_TIMESTAMP, > CONSTRAINT MyMappingTable_index PRIMARY > KEY (id) ) > with (OIDS=FALSE); > > CREATE TABLE MyMappingTableT1 (PRIMARY KEY (id), CHECK((c1 % 5) = 0)) > INHERITS (MyMappingTable); > CREATE TABLE MyMappingTableT2 (PRIMARY KEY (id), CHECK((c1 % 5) = 1)) > INHERITS (MyMappingTable); > CREATE TABLE MyMappingTableT3 (PRIMARY KEY (id), CHECK((c1 % 5) = 2)) > INHERITS (MyMappingTable); > CREATE TABLE MyMappingTableT4 (PRIMARY KEY (id), CHECK((c1 % 5) = 3)) > INHERITS (MyMappingTable); > CREATE TABLE MyMappingTableT5 (PRIMARY KEY (id), CHECK((c1 % 5) = 4)) > INHERITS (MyMappingTable); > > Here is the trigger function that I added to the database: > > CREATE OR REPLACE FUNCTION my_mapping_table_insert_trigger() > RETURNS trigger AS $$ > BEGIN > IF ( (NEW.c1 % 5) = 0 ) THEN > INSERT INTO MyMappingTableT1 VALUES (NEW.*); > ELSIF ( (NEW.c1 % 5) = 1 ) THEN > INSERT INTO MyMappingTableT2 VALUES (NEW.*); > ELSIF ( (NEW.c1 % 5) = 2 ) THEN > INSERT INTO MyMappingTableT3 VALUES (NEW.*); > ELSIF ( (NEW.c1 % 5) = 3 ) THEN > INSERT INTO MyMappingTableT4 VALUES (NEW.*); > ELSIF ( (NEW.c1 % 5) = 4 ) THEN > INSERT INTO MyMappingTableT5 VALUES (NEW.*); > ELSE > RAISE EXCEPTION 'c1 mod out of range. Something wrong with the > my_mapping_table_insert_trigger() function!'; > END IF; > RETURN NULL; > END; > $$ > LANGUAGE plpgsql; > > Here is the Trigger that I added to the table: > > CREATE TRIGGER insert_my_mapping_table_trigger > BEFORE INSERT ON MyMappingTable > FOR EACH ROW EXECUTE PROCEDURE my_mapping_table_insert_trigger(); > > SET constraint_exclusion = ON; > > Regards, > > Richard > > I tried your test case, its working fine from my end and populating data > properly to partition childs. > > insert into mymappingtable values (1,7,20,30,1,now()); > insert into mymappingtable values (2,6,20,30,1,now()); > insert into mymappingtable values (3,8,20,30,1,now()); > insert into mymappingtable values (4,9,20,30,1,now()); > insert into mymappingtable values (5,10,20,30,1,now()); > > postgres=# \dt+ MyMappingTable* > List of relations > Schema | Name | Type | Owner | Size | Description > --------+------------------+-------+----------+------------+------------- > public | mymappingtable | table | postgres | 0 bytes | > public | mymappingtablet1 | table | postgres | 8192 bytes | > public | mymappingtablet2 | table | postgres | 8192 bytes | > public | mymappingtablet3 | table | postgres | 8192 bytes | > public | mymappingtablet4 | table | postgres | 8192 bytes | > public | mymappingtablet5 | table | postgres | 8192 bytes | > > --- > Regards, > Raghavendra > EnterpriseDB Corporation > Blog: http://raghavt.blogspot.com/ >
