Surprising behavior of ActiveRecord's order method. Can't decide if I should file this as a bug on rails/rails, or post to stackoverflow, or just suck it up and write a separate method that does the right thing.

gistfile1.txt

Loading development environment (Rails 4.0.0.rc1)
2.0.0p0 :001 > p = Post.new
 => #<Post id: nil, title: nil, text: nil, created_at: nil, updated_at: nil> 
2.0.0p0 :002 > p.comments.build
 => #<Comment id: nil, commenter: nil, body: nil, post_id: nil, created_at: nil, updated_at: nil> 
2.0.0p0 :003 > p.comments.size
 => 1 
2.0.0p0 :004 > p.comments.order(:created_at).size
 => 0