DO $$DECLARE this_version CONSTANT varchar := '00.01.071'; BEGIN PERFORM * FROM "DBVersion" WHERE version = this_version; IF FOUND THEN RETURN; END IF; ALTER TABLE public."PlanBlueprint" ADD COLUMN code character varying(200); UPDATE public."PlanBlueprint" SET code = group_id; ALTER TABLE public."PlanBlueprint" ALTER COLUMN code SET NOT NULL; INSERT INTO public."DBVersion" VALUES ('DMPDB', '00.01.071', '2024-07-29 12:00:00.000000+02', now(), 'Add PlanBlueprint code column.'); END$$;