How we can use mysql_affected_rows() in stored procedure

Question

How we can use mysql_affected_rows() in stored procedure..

Answer 1

example

BEGIN
DECLARE countRow INT;
DECLARE roomTypeId INT;
        INSERT INTO room_type (room_type)
SELECT * FROM (SELECT paramRoomType) AS tmp
WHERE NOT EXISTS (
    SELECT room_type_id FROM room_type WHERE room_type = paramRoomType 
) LIMIT 1;
SET countRow =  ROW_COUNT();

IF(countRow >  0) THEN
    SET roomTypeId =  LAST_INSERT_ID();
    INSERT hotel_has_room_type (hotel_id,room_type_id) VALUES (paramHotelId,roomTypeId);
END IF;
END