[Beginning Rails 6] Listing 11-12. No more N+1 queries when loading articles

development.log

Started GET "/" for ::1 at 2020-03-04 23:27:15 -0600
Processing by ArticlesController#index as HTML
  Rendering articles/index.html.erb within layouts/application
  Article Load (0.2ms)  SELECT "articles".* FROM "articles"
  ↳ app/views/articles/index.html.erb:4
  User Load (0.4ms)  SELECT "users".* FROM "users" WHERE "users"."id" IN (?, ?)  [["id", 2], ["id", 1]]
  ↳ app/views/articles/index.html.erb:4
  ActionText::RichText Load (0.4ms)  SELECT "action_text_rich_texts".* FROM "action_text_rich_texts"...
  ↳ app/views/articles/index.html.erb:4
  ActiveStorage::Attachment Load (0.3ms)  SELECT "active_storage_attachments".* FROM "active_storage_attachments"...
  ↳ app/views/articles/index.html.erb:4
  User Load (0.1ms)  SELECT "users".* FROM "users" WHERE "users"."id" = ? LIMIT ?  [["id", 2], ["LIMIT", 1]]
  ↳ app/controllers/application_controller.rb:6:in `current_user'
  Rendered collection of articles/_article.html.erb [4 times] (Duration: 12.5ms | Allocations: 3421)
  Rendered articles/index.html.erb within layouts/application (Duration: 24.7ms | Allocations: 7684)
[Webpacker] Everything's up-to-date. Nothing to do
Completed 200 OK in 36ms (Views: 32.9ms | ActiveRecord: 1.5ms | Allocations: 13062)