Eager load assessment stats page, 90% fewer queries!

Coursemology · Nov 6, 2015 · 56a19ab · 56a19ab
1 parent 908b7bb
commit 56a19ab
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/app/controllers/assessment/assessments_controller.rb b/app/controllers/assessment/assessments_controller.rb
@@ -191,10 +191,10 @@ def stats
     @summary = {}
     @summary[:type] = @assessment.is_mission? ? 'mission' : 'training'
     @stats_paging = @course.paging_pref(@assessment.is_mission? ? "MissionStats" : "TrainingStats")
-    @submissions = @assessment.submissions.includes(:gradings)
-    std_courses = @course.user_courses.student.order(:name).where(is_phantom: false)
-    my_std = curr_user_course.std_courses.student.order(:name).where(is_phantom: false)
-    std_phantom = @course.user_courses.student.order(:name).where(is_phantom: true)
+    @submissions = @assessment.submissions.includes(gradings: :exp_transaction)
+    std_courses = @course.user_courses.student.order(:name).where(is_phantom: false).includes(:tut_courses)
+    my_std = curr_user_course.std_courses.student.order(:name).where(is_phantom: false).includes(:tut_courses)
+    std_phantom = @course.user_courses.student.order(:name).where(is_phantom: true).includes(:tut_courses)
 
     if @stats_paging.display?
       std_courses = std_courses.page(params[:page]).per(@stats_paging.prefer_value.to_i)