CREATE OR REPLACE FUNCTION nn_db.application_post(
	in_car_number nn_db.application.car_number%TYPE
	, in_description nn_db.application.description%TYPE
	, in_fk_user nn_db.application.fk_user%TYPE)
RETURNS TABLE(pk_application nn_db.application.pk_application%TYPE)
AS $$
BEGIN
	INSERT INTO nn_db.application (
		car_number
		, description
		, fk_status
		, fk_user)
	VALUES (
		in_car_number
		, in_description
		, (SELECT MIN(nn_db.status.pk_status) FROM nn_db.status)
		, in_fk_user);
	RETURN QUERY SELECT 
		MAX(nn_db.application.pk_application) 
	FROM nn_db.application;
END;
$$ LANGUAGE plpgsql;