连接多个表时如何在mysql中首先排序和分组

Question

我将加入三个表chat，users，messages，然后使用GROUP BY将它们分组以获取相似行的一个数据，然后成功将其激发。但是现在我想按时间排序消息。我尝试按时间使用订单，但没有得到想要的结果。我试过的查询是->

 SELECT
 m.*,c.*, s.uname as sender_name, r.uname as receiver_name,s.phone as
 sender_phone, r.phone as receiver_phone FROM message m
 JOIN chat c on c.mid = m.mid
 JOIN users s on s.uid = c.sender
 JOIN users r on r.uid = c.receiver
 WHERE c.sender = '1' or c.receiver = '1'
 group by IF(c.sender > c.receiver, c.sender,c.receiver),
          IF(c.sender > c.receiver, c.receiver,c.sender) 
 order by m.time