ALTER TABLE public.file DROP CONSTRAINT file_node_fk;
ALTER TABLE public.file ADD CONSTRAINT file_node_fk FOREIGN KEY (node_id) REFERENCES public.node(id) ON DELETE CASCADE ON UPDATE CASCADE;

ALTER TABLE public.file DROP CONSTRAINT file_fk;
ALTER TABLE public.file ADD CONSTRAINT file_user_fk FOREIGN KEY (user_id) REFERENCES public."user"(id) ON DELETE CASCADE ON UPDATE CASCADE;