Self-referential has_many :through with customized :primary key issue?

I believe it should be like this: class Connection 'User' belongs_to :follower, :class_name => 'User' end class User 'follower_id', :class_name => 'Connection' has_many :relations_from, :foreign_key => 'subject_id', :class_name => 'Connection' has_many :linked_from, :through => :relations_from, :source => :follow has_many :linked_to, :through => :relations_to, :source => :subject end while I removed a few things, it looks like your :source => :follow and :source => :subject were switched and it created a circular reference.

It works. Awesome! I never knew there's a method called set_primary_key.

Thank you! – porkeypop Jun 25 '10 at 16:28.

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