DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `vn`.`packingListSwitch`(saleFk INT)
BEGIN

	DECLARE valueFk INT;
    DECLARE encajando INT DEFAULT 9;
    
    SELECT isChecked INTO valueFk 
		FROM saleTracking
		WHERE saleFk = saleFk 
			AND stateFk = encajando;
            
	SET valueFk = (IFNULL(valueFk,0) + 1) MOD 3;
	
	REPLACE saleTracking(saleFk, isChecked, workerFk, stateFk) 
		VALUES(saleFk,valueFk,account.myUser_getId(),encajando);


END$$
DELIMITER ;