When it tries to preload the active colors, it must first load the Skus, but it applies the order condition when querying for Skus

Gemfile

# A sample Gemfile
source "https://rubygems.org"

gem 'rails', '3.2.12'
gem 'sqlite3'

issue.rb

require 'rubygems'
require 'bundler/setup'

require 'active_record'
require 'logger'

ActiveRecord::Base.establish_connection adapter: "sqlite3", database: ":memory:"
ActiveRecord::Base.logger = Logger.new(STDOUT)
ActiveRecord::Schema.define do
  create_table :items do |t|
    t.timestamps
  end
  create_table :colors do |t|
    t.string :name
    t.boolean :active, default: true
    t.timestamps
  end
  create_table :skus do |t|
    t.integer :item_id
    t.integer :color_id
    t.boolean :active
    t.timestamps
  end
end

class Item < ActiveRecord::Base
  has_many :skus
  has_many :active_colors, through: :skus, source: :color, class_name: 'Color', select: 'colors.*, lower(name)', conditions: { active: true, skus: { active: true } }, order: 'LOWER(name)', uniq: true
end

class Color < ActiveRecord::Base
end

class Sku < ActiveRecord::Base
  belongs_to :color
  belongs_to :item
end

i = Item.create

c2 = Color.create(name: 'm')
c1 = Color.create(name: 'a')
c3 = Color.create(name: 'z')

i.skus.create(color: c2)
i.skus.create(color: c1)
i.skus.create(color: c3)

items = Item.includes(:active_colors).to_a

expected_ids = [c1.id, c2.id, c3.id]
actual_ids = items.first.active_colors.map(&:id)

if expected_ids != actual_ids
  raise "Expected #{expected_ids} to match #{actual_ids}"
else
  puts "PASSED!"
end