DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `srt`.`moving_between`(vBufferA INT, vBufferB INT)
BEGIN
	
	DECLARE vExpeditionFk INT;

	SELECT e.id INTO vExpeditionFk
		FROM srt.expedition e 
			LEFT JOIN srt.moving m ON m.expeditionFk = e.id
		WHERE e.bufferFk = vBufferA
			AND ISNULL(m.id)
		ORDER BY e.`position`
		LIMIT 1;
	
	IF ISNULL(vExpeditionFk) THEN
	
		SET vExpeditionFk = srt.expedition_check(0);
	
		UPDATE srt.expedition 
			SET bufferFk = vBufferA, `position` = 1
			WHERE id = vExpeditionFk;
	
	END IF;

	CALL `srt`.`expedition_Relocate`(vExpeditionFk, IFNULL(vBufferB,srt.buffer_get(vExpeditionFk)));

	SELECT * FROM srt.moving m ORDER BY id;

END$$
DELIMITER ;