Do not try to preload Commits when using Note.includes(:noteable)

config/initializers/active_record_preloader.rb

@@ -0,0 +1,15 @@
+module ActiveRecord
+  module Associations
+    class Preloader
+      module NoCommitPreloader
+        def preloader_for(reflection, owners, rhs_klass)
+          return NullPreloader if rhs_klass == ::Commit
+
+          super
+        end
+      end
+
+      prepend NoCommitPreloader
+    end
+  end
+end