sql 按照某个字段分组后，再按照另外一个字段排序获取前几个数据

select a.* from scholars a where 4 > (select count(*) from scholars where name = a.name and quote_num > a.quote_num ) order by a.name,a.quote_num; 查找 scholars 表 并按照name分组，且每组按照quote_num大小降序，最终获取每组quot

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