class Face < ActiveRecord::Base belongs_to :man, :inverse_of => :face belongs_to :polymorphic_man, :polymorphic => true, :inverse_of => :polymorphic_face # Oracle identifier length is limited to 30 bytes or less, `polymorphic` renamed `poly` belongs_to :poly_man_without_inverse, :polymorphic => true # These is a "broken" inverse_of for the purposes of testing belongs_to :horrible_man, :class_name => "Man", :inverse_of => :horrible_face belongs_to :horrible_polymorphic_man, :polymorphic => true, :inverse_of => :horrible_polymorphic_face end