SELECT *
FROM relationship a,relationship b
WHERE a.source_id=b.target_id
AND a.target_id = b.source_id
查询有重复关系的脏数据
最新推荐文章于 2025-05-28 15:24:09 发布
SELECT *
FROM relationship a,relationship b
WHERE a.source_id=b.target_id
AND a.target_id = b.source_id