ALTER TABLE vn.travel DROP KEY shipment_1;

ALTER TABLE `vn`.`travel` ADD CONSTRAINT shipment_1 UNIQUE KEY (shipped,landed,warehouseInFk,warehouseOutFk,agencyModeFk,`ref`);

ALTER TABLE vn.travel DROP FOREIGN KEY travel_ibfk_3;

ALTER TABLE vn.travel CHANGE agencyFk agencyFk__ smallint(5) unsigned NOT NULL COMMENT '@deprecated 2024-10-01 refs #6604';