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@mudge
mudge / gist:263139
Created December 24, 2009 10:43
Polymorphic has_many :through in Rails 2.3
# A polymorphic has_many :through relationship in Rails 2.3
# based on Josh Susser's "The other side of polymorphic :through associations"
# http://blog.hasmanythrough.com/2006/4/3/polymorphic-through
class Authorship < ActiveRecord::Base
belongs_to :author
belongs_to :publication, :polymorphic => true
end
class Author < ActiveRecord::Base
has_many :authorships