games表增加user_id的索引

db/migrate/20200306131654_add_user_id_index_for_games.rb

@@ -0,0 +1,5 @@
+class AddUserIdIndexForGames < ActiveRecord::Migration[5.2]
+  def change
+    add_index :games, :user_id
+  end
+end

lib/tasks/static_all.rake

@@ -2,7 +2,7 @@ desc "统计每个学校使用数据"
 
 namespace :static_all do
   task :repo => :environment do
-    school_alls = School.includes(:courses, user_extensions: :user).all
+    school_alls = School.includes(courses: [:homework_commons, :attachments, :course_videos], user_extensions: :user).where(id: 117)
     proc_num = ENV['processes'].blank? ? 5 : ENV['processes'].to_i
     school_alls.find_in_batches(batch_size: 50) do |schools|
       Parallel.each(schools, in_processes: proc_num) do |school|