activerecord/test/models/tagging.rb


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# frozen_string_literal: true
# test that attr_readonly isn't called on the :taggable polymorphic association
module Taggable
end

class Tagging < ActiveRecord::Base
  belongs_to :tag, -> { includes(:tagging) }
  belongs_to :super_tag,   class_name: "Tag", foreign_key: "super_tag_id"
  belongs_to :invalid_tag, class_name: "Tag", foreign_key: "tag_id"
  belongs_to :blue_tag, -> { where tags: { name: "Blue" } }, class_name: "Tag", foreign_key: :tag_id
  belongs_to :tag_with_primary_key, class_name: "Tag", foreign_key: :tag_id, primary_key: :custom_primary_key
  belongs_to :taggable, polymorphic: true, counter_cache: :tags_count
  has_many :things, through: :taggable
end