#1689修改部分学生匿评得分大于5分

db/migrate/20141210070327_change_student_score.rb

@@ -0,0 +1,9 @@
+class ChangeStudentScore < ActiveRecord::Migration
+  def up
+    sql = ActiveRecord::Base.connection()
+    sql.update_sql("update seems_rateable_rates set stars = 5 where stars > 5")
+  end
+
+  def down
+  end
+end