gistfile1.rb

class User < ActiveRecord::Base
  # Other stuff removed
  belongs_to :plan
  belongs_to :stripe_plan
 
  def plan
    self.stripe_token.to_s == "0" ? self.plan : self.stripe_plan
  end

  # Other stuff removed
end


1.9.2-p290 :001 > User.first.plan
  User Load (0.7ms)  SELECT `users`.* FROM `users` LIMIT 1
SystemStackError: stack level too deep
	from /Users/Jake/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/workspace.rb:80
Maybe IRB bug!!