table functions
-- Create the types to support the table function.
DROP TYPE t_tf_tab;
DROP TYPE t_tf_row;
CREATE TYPE t_tf_row AS OBJECT (
id NUMBER,
description VARCHAR2(50)
);
/
CREATE TYPE t_tf_tab IS TABLE OF t_tf_row;
/
-- Build the table function itself.
CREATE OR REPLACE FUNCTION get_tab_tf (p_rows IN NUMBER) RETURN t_tf_tab AS
l_tab t_tf_tab := t_tf_tab();
BEGIN
FOR i IN 1 .. p_rows LOOP
l_tab.extend;
l_tab(l_tab.last) := t_tf_row(i, 'Description for ' || i);
END LOOP;
RETURN l_tab;
END;
/
-- Test it.
SELECT *
FROM TABLE(get_tab_tf(10))
ORDER BY id DESC;
ID DESCRIPTION
---------- --------------------------------------------------
10 Description for 10
9 Description for 9
10 rows selected.
SQL>