SELECT _id as cid FROM ( SELECT @r AS _id, (SELECT @r := parentid FROM bee_category_info WHERE cid = _id) AS parentid, @l := @l + 1 AS lvl FROM (SELECT @r := 10000, @l := 0) vars, bee_category_info h WHERE @r <> 0) T1 JOIN bee_category_info T2 ON T1._id = T2.cid where _id<>10000 ORDER BY cid;
Mysql根据子ID查询父ID
猜你喜欢
转载自blog.csdn.net/keplerpig/article/details/79016239
今日推荐
周排行