DO $$
BEGIN
    RAISE NOTICE '!!! 请注意 这将删除所有已有的村信息 9s后继续';
    PERFORM pg_sleep(9); -- 等待一小段时间
END $$;


DELETE FROM "public"."village_distance" WHERE "id" > 0;

SELECT setval('village_distance_id_seq', 1);

DELETE FROM "public"."village" WHERE "id" > 0;

SELECT setval('village_id_seq',  1);
