MySql 分组排序取时间最大的一条记录

时间：2014-06-16 10:14:56 收藏：0 阅读：522

SELECT A.* FROM digital_asset A,
(SELECT name, max(last_updated) max_day FROM digital_asset GROUP BY name) B
WHERE A.name = B.name AND A.last_updated = B.max_day

 SELECT A . *
FROM bbs_threads A, (

SELECT digest, max( dateline ) max_dateline
FROM bbs_threads
WHERE fid =51
AND digest >0
AND displayorder >=0
GROUP BY digest
ORDER BY max_dateline
)B
WHERE A.digest = B.digest
AND A.dateline = B.max_dateline
LIMIT 0 , 20

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