Prevent STI when inheriting from an ActiveRecord model

On Rails 3.2.6, I have a class that inherits from ActiveRecord::Base: class Section < ActiveRecord::Base ... end When I inherit from this class, Rails will assume I want STI: class AnotherSection < Section ..Rails assumes I have a type field, etc... end I want to be able to inherit from the Section class and use the subclass as a normal Ruby subclass, without the Rails STI magic. Is there a way to

[inoueyuworks]

STI は、 `self.inheritance_column` (デフォルトでは `type`) が実際に存在する場合のみに動作する。適当な存在しないカラム名を代入しておくと、 STI 的な挙動をしなくなる。