DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`travel_getEntriesMissingPackage`(vSelf INT)
BEGIN
	DECLARE vpackageOrPackingNull INT;
	DECLARE vTravelFk INT;

	SELECT travelfk INTO vTravelFk
		FROM entry
		WHERE id = vSelf;

	SELECT e.id entryFk
		FROM travel t 
			JOIN entry e ON e.travelFk = t.id 
			JOIN buy b ON b.entryFk = e.id 
		WHERE t.id = vTravelFk 
			AND (b.packing IS NULL OR b.packagingFk IS NULL);
END$$
DELIMITER ;