ALTER TABLE vn.collectionWagon DROP FOREIGN KEY IF EXISTS collectionWagon_FK_1;
ALTER TABLE vn.collectionWagonTicket DROP FOREIGN KEY IF EXISTS collectionWagonTicket_FK_1;
ALTER TABLE vn.wagonVolumetry DROP FOREIGN KEY IF EXISTS wagonVolumetry_FK_1;

ALTER TABLE vn.wagon MODIFY COLUMN id int(11) unsigned auto_increment NOT NULL COMMENT '26 letras de alfabeto inglés';
ALTER TABLE vn.collectionWagon MODIFY COLUMN wagonFk int(11) unsigned NOT NULL;
ALTER TABLE vn.collectionWagonTicket MODIFY COLUMN wagonFk int(11) unsigned NOT NULL;
ALTER TABLE vn.wagonVolumetry MODIFY COLUMN wagonFk int(11) unsigned NOT NULL;

ALTER TABLE vn.collectionWagon ADD CONSTRAINT collectionWagon_FK_1 FOREIGN KEY (wagonFk) REFERENCES vn.wagon(id) ON DELETE RESTRICT ON UPDATE CASCADE;
ALTER TABLE vn.collectionWagonTicket ADD CONSTRAINT collectionWagonTicket_FK_1 FOREIGN KEY (wagonFk) REFERENCES vn.wagon(id) ON DELETE RESTRICT ON UPDATE CASCADE;
ALTER TABLE vn.wagonVolumetry ADD CONSTRAINT wagonVolumetry_FK_1 FOREIGN KEY (wagonFk) REFERENCES vn.wagon(id) ON DELETE RESTRICT ON UPDATE CASCADE;