Hi Milen,
Pipelined function is a code that acts like a database table.
Inorder to use this functionality in postgres you would need to write the function like this
CREATE OR REPLACE FUNCTION get_test_data (numeric)
RETURNS SETOF RECORD AS
$$
DECLARE
temp_rec RECORD;
BEGIN
FOR temp_rec IN (SELECT ename FROM emp WHERE sal > $1)
LOOP
RETURN NEXT temp_rec;
END LOOP;
RETURN;
END;
$$ LANGUAGE plpgsql;
now inorder to call this function you would write the code as follows
SELECT * FROM get_test_data(1000) AS t1 (emp_name VARCHAR);
Regards
Talha Amjad
On 9/19/06, Milen Kulev <makulev@gmx.net> wrote:Hello Lister,
I am curios whether I can emulate the Oracle pipelined functions functionality in PG too (using RETURN NEXT ). For more
information and examples about Oracle pipelined functions see:
http://asktom.oracle.com/pls/ask/f?p=4950:8:8127757633768425921::NO::F4950_P8_DISPLAYID,F4950_P8_CRITERIA:4447489221109
I have used pipeline functions in DWH enviromnent with success and would like
To use similar concept in PG too.
Any help, examples , links and shared experiences would be greately appreciated.
Best Regards.
Milen
---------------------------(end of broadcast)---------------------------
TIP 1: if posting/reading through Usenet, please send an appropriate
subscribe-nomail command to majordomo@postgresql.org so that your
message can get through to the mailing list cleanly
