简化查询匿评数量的代码

app/helpers/homework_attach_helper.rb

@@ -140,8 +140,6 @@ module HomeworkAttachHelper
   #######################################################
   def get_student_not_batch_homework_list bid,user
     HomeworkAttach.find_by_sql("SELECT * FROM(SELECT homework_attaches.*,
-          (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND is_teacher_score = 1) AS t_score,
-          (SELECT AVG(stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND is_teacher_score = 0) AS s_score,
           (SELECT stars FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id = #{user.id}  AND is_teacher_score = 0) AS m_score
           FROM homework_attaches
           INNER JOIN homework_evaluations ON homework_evaluations.homework_attach_id = homework_attaches.id