Eager loading associations of the same class

eager-load.rb

require "bundler"
Bundler.setup

require "active_record"

ActiveRecord::Base.establish_connection adapter: "sqlite3", database: ":memory:"

ActiveRecord::Migration.create_table :bugs do |t|
  t.string :name
  t.integer :reporter_id
  t.integer :assignee_id
end

ActiveRecord::Migration.create_table :users do |t|
  t.string :name
end

class User < ActiveRecord::Base
end

class Bug < ActiveRecord::Base
  belongs_to :reporter, class_name: "User"
  belongs_to :assignee, class_name: "User"
end

bob = User.create(name: "Bob")
alice = User.create(name: "Alice")

bug1 = Bug.create(name: "Bug #1", reporter: bob, assignee: alice)
bug2 = Bug.create(name: "Bug #2", reporter: alice, assignee: bob)

ActiveRecord::Base.logger = Logger.new(STDOUT)

Bug.includes([:reporter, :assignee]).load

output.txt

D, [2013-02-21T06:03:32.769112 #42805] DEBUG -- :   Bug Load (0.1ms)  SELECT "bugs".* FROM "bugs"
D, [2013-02-21T06:03:32.772696 #42805] DEBUG -- :   User Load (0.2ms)  SELECT "users".* FROM "users" WHERE "users"."id" IN (1, 2)
D, [2013-02-21T06:03:32.773746 #42805] DEBUG -- :   User Load (0.1ms)  SELECT "users".* FROM "users" WHERE "users"."id" IN (2, 1)