DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` TRIGGER `vn`.`collectionVolumetry_afterUpdate`
	AFTER UPDATE ON `collectionVolumetry`
	FOR EACH ROW
BEGIN
	DECLARE vJSON JSON DEFAULT JSON_OBJECT();
	DECLARE vUserFk INT DEFAULT account.myUser_getId();

	IF NOT (NEW.id <=> OLD.id) THEN
		SET vJSON = JSON_MERGE(JSON_OBJECT('id', NEW.id), vJSON);
	END IF;
	
	IF NOT (NEW.`level` <=> OLD.`level`) THEN
		SET vJSON = JSON_MERGE(JSON_OBJECT('level', NEW.`level`), vJSON);
	END IF;

	IF NOT (NEW.`lines` <=> OLD.`lines`) THEN
		SET vJSON = JSON_MERGE(JSON_OBJECT('lines', NEW.`lines`), vJSON);
	END IF;

	IF NOT (NEW.liters <=> OLD.liters) THEN
		SET vJSON = JSON_MERGE(JSON_OBJECT('liters', NEW.liters), vJSON);
	END IF;

	IF NOT (NEW.height <=> OLD.height) THEN
		SET vJSON = JSON_MERGE(JSON_OBJECT('height', NEW.height), vJSON);
	END IF;

	IF NOT (NEW.itemPackingTypeFk <=> OLD.itemPackingTypeFk) THEN
		SET vJSON = JSON_MERGE(JSON_OBJECT('itemPackingTypeFk', NEW.itemPackingTypeFk), vJSON);
	END IF;
	
	IF NOT (NEW.trainFk <=> OLD.trainFk) THEN
		SET vJSON = JSON_MERGE(JSON_OBJECT('trainFk', NEW.trainFk), vJSON);
	END IF;

	SET vJSON = JSON_MERGE(JSON_OBJECT('userFk', vUserFk), vJSON);
	SET vJSON = JSON_MERGE(JSON_OBJECT('action', 'update'), vJSON);

	SET vJSON = util.notification_send(
		'modified-collection-volumetry',
		JSON_OBJECT('data', JSON_EXTRACT(vJSON, '$')),
		vUserFk
	);
END$$
DELIMITER ;