DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`ticketCollection_getNoPacked`(vCollectionFk INT)
	RETURNS varchar(100) CHARSET utf8mb3 COLLATE utf8mb3_unicode_ci
	DETERMINISTIC
BEGIN
	
	/*
	 * return message with tickets and collection if there is tickets of a collection without expeditions
	 * 
	 * @param vCollectionFk the collection to check
	 * @return an array with collection and tickets without expeditions
	 * 
	 */
	
	DECLARE vAnswer VARCHAR(100) DEFAULT '';

	IF collection_isPacked(vCollectionFk) = FALSE THEN
		SELECT CONCAT('Colección: ',tc.collectionFk,'  Tickets: ' , GROUP_CONCAT(tc.ticketFk) ) INTO vAnswer
			FROM vn.ticketCollection tc
				LEFT JOIN vn.expedition e ON e.ticketFk = tc.ticketFk 
			WHERE tc.collectionFk = vCollectionFk
				AND ISNULL(e.id);
	END IF;

	RETURN vAnswer;
END$$
DELIMITER ;