ALTER TABLE vn.roadmap
	MODIFY COLUMN m3 int(10) unsigned DEFAULT NULL NULL COMMENT 'Capacidad máxima del remolque',
	CHANGE driver1Fk driverFk int(10) unsigned DEFAULT NULL NULL COMMENT 'Conductor principal' AFTER driverName,
	CHANGE driver2Fk codriverFk int(10) unsigned DEFAULT NULL NULL COMMENT 'Copiloto' AFTER driverFk,
	CHANGE userFk editorFk int(10) unsigned DEFAULT NULL NULL AFTER m3;