DO $$DECLARE
   this_version CONSTANT varchar := '00.01.061';
BEGIN
   PERFORM * FROM "DBVersion" WHERE version = this_version;
   IF FOUND THEN RETURN; END IF;

   ALTER TABLE public."EntityDoi" DROP CONSTRAINT fk_doi_entityid;

INSERT INTO public."DBVersion" VALUES ('DMPDB', '00.01.061', '2024-03-27 12:00:00.000000+02', now(), 'Remove DMP fkey from EntityDoi Table.');

END$$;