sql 语句获取消息列表

 SELECT COUNT(`read_status` = 0 OR NULL) AS newMessage, 
            receiver,TEXT,related_goods_id,u.`NICKNAME`,create_time
 FROM
     (SELECT to_user_id AS receiver,related_goods_id,TEXT,`read_status`,create_time FROM dialogue
     WHERE
     (from_user_id = 62194) AND (to_user_id <> 62194)
     UNION 
     SELECT from_user_id AS receiver,related_goods_id,TEXT,`read_status`,create_time FROM dialogue
     WHERE 
     (from_user_id <> 62194) AND (to_user_id = 62194)
     ORDER BY create_time DESC) AS newTable
 INNER JOIN 
 wuye_db.`register_user` u ON receiver = u.ID 
 GROUP BY receiver 
 ORDER BY create_time DESC

 

 
 
 

 

你可能感兴趣的:(mysql,sql)