# == Schema Information # # Table name: related_categories # # id :bigint not null, primary key # created_at :datetime not null # updated_at :datetime not null # category_id :bigint # related_category_id :bigint # # Indexes # # index_related_categories_on_category_id_and_related_category_id (category_id,related_category_id) UNIQUE # index_related_categories_on_related_category_id_and_category_id (related_category_id,category_id) UNIQUE # class RelatedCategory < ApplicationRecord belongs_to :related_category, class_name: 'Category' belongs_to :category, class_name: 'Category' end