摘要: SELECT a1.* FROM t_content a1 INNER JOIN (SELECT a.channelId,a.id FROM t_content a LEFT JOIN t_content b<![CDATA[ ON a.channelId=b.channelId AND a.id< 阅读全文
posted @ 2016-08-25 11:40 向之礼 阅读(1264) 评论(0) 推荐(0) 编辑