rails many to many relationship same model
class Page < ActiveRecord::Base has_many :left_page_associations, :foreign_key => :left_page_id, :class_name => 'PageAssociation' has_many :left_associations, :through => :left_page_associations, :source => :right_page has_many :right_page_associations, :foreign_key => :right_page_id, :class_name => 'PageAssociation' has_many :right_associations, :through => :right_page_associations, :source => :left_page end
rails many to many relationship same model
class PageAssociation < ActiveRecord::Base belongs_to :left_page, :class_name => 'Page' belongs_to :right_page, :class_name => 'Page' end
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