(select id from owner where date_format(auction_date,'%Y-%m-%d %H:%i:00') = date_format(NOW(),'%Y-%m-%d %H:%i:00')) as a
left join (select owner_id,max(nb) as maxbid from auction group by owner_id) as b on a.id=b.owner_id
left join (select owner_id,max(mb) as maxautobid from auction group by owner_id) as c on a.id=c.owner_id
对于第二个左连接语句,我可以获得最高的 mb 值。有人可以帮我添加第三个左连接语句,以便我可以获得第二高的 mb 值吗?