-- Automated generation has no human actor; existing actor references are preserved.
ALTER TABLE `WorkOrderStatusHistory`
  DROP FOREIGN KEY `WorkOrderStatusHistory_changedById_fkey`;
ALTER TABLE `WorkOrderStatusHistory`
  MODIFY COLUMN `changedById` VARCHAR(30) NULL;
ALTER TABLE `WorkOrderStatusHistory`
  ADD CONSTRAINT `WorkOrderStatusHistory_changedById_fkey`
  FOREIGN KEY (`changedById`) REFERENCES `User` (`id`) ON DELETE RESTRICT ON UPDATE CASCADE;