添加字段迁移

db/migrate/20151118031602_copy_course_activities_to_org_activities.rb

@@ -1,25 +1,25 @@
 class CopyCourseActivitiesToOrgActivities < ActiveRecord::Migration
   def up
-    # count = CourseActivity.all.count/30 + 1
-    # for i in 1 ... count do
-    #   transaction do
-    #     CourseActivity.page(i).per(30).each do |course_act|
-    #       if course_act.course_act_type == 'Message' && !course_act.course_act.parent_id.nil?
-    #         org_activity = OrgActivity.where("org_act_type = 'Message' and org_act_id = #{course_act.course_act.parent.id}").first
-    #         org_activity.created_at = course_act.created_at
-    #         org_activity.save
-    #       else
-    #         OrgActivity.create(:user_id => course_act.user_id,
-    #                            :org_act_id => course_act.course_act_id,
-    #                            :org_act_type => course_act.course_act_type,
-    #                            :container_id => course_act.course_id,
-    #                            :container_type => 'Course',
-    #                            :created_at => course_act.created_at,
-    #                            :updated_at => course_act.updated_at)
-    #       end
-    #     end
-    #   end
-    # end
+    count = CourseActivity.all.count/30 + 1
+    for i in 1 ... count do
+      transaction do
+        CourseActivity.page(i).per(30).each do |course_act|
+          if course_act.course_act_type == 'Message' && !course_act.course_act.parent_id.nil?
+            org_activity = OrgActivity.where("org_act_type = 'Message' and org_act_id = #{course_act.course_act.parent.id}").first
+            org_activity.created_at = course_act.created_at
+            org_activity.save
+          else
+            OrgActivity.create(:user_id => course_act.user_id,
+                               :org_act_id => course_act.course_act_id,
+                               :org_act_type => course_act.course_act_type,
+                               :container_id => course_act.course_id,
+                               :container_type => 'Course',
+                               :created_at => course_act.created_at,
+                               :updated_at => course_act.updated_at)
+          end
+        end
+      end
+    end
   end
 
   def down

db/migrate/20151120134208_changecolumn_of_exercise_question.rb

@@ -0,0 +1,9 @@
+class ChangecolumnOfExerciseQuestion < ActiveRecord::Migration
+  def up
+    change_column :exercise_questions, :question_title, :text
+    change_column :exercises, :exercise_name, :text
+  end
+
+  def down
+  end
+end