method
ensure_proper_type

Ruby on Rails latest stable (v7.1.3.2)
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Class: Inheritance
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- What's this?
ensure_proper_type()
private
Sets the attribute used for single table inheritance to this class name if this is not the ActiveRecord::Base descendant. Considering the hierarchy Reply < Message < ActiveRecord::Base, this makes it possible to do Reply.new without having to set Reply = "Reply" yourself. No such attribute would be set for objects of the Message class in that example.