laravel 实现分组前几名

       $sql =  UserRelationMap::select('inviter_id','business_id',
           DB::raw('COUNT(id) as num,any_value(id) as id,any_value(project_id) as project_id,any_value(employee_id) as employee_id'),
       DB::raw('ROW_NUMBER() OVER (PARTITION BY business_id ORDER BY COUNT(id) DESC) AS sumprice_rank'))
           ->whereRaw('inviter_id <>0 and employee_id <> 0')
       ->groupBy('business_id','inviter_id');
        $list =  UserRelationMap::with(['project:id,project_name','business:id,name','employee:id,name,true_name'])
        ->from(DB::raw("({$sql->toSql()}) as ranks"))
            ->where('ranks.sumprice_rank','<',21)
            ->orderByRaw('ranks.business_id asc, ranks.num desc');