method

stale_state

rails latest stable - Class: ActiveRecord::Associations::ThroughAssociation

stale_state()

private

Note: this does not capture all cases, for example it would be impractical to try to properly support stale-checking for nested associations.

# File activerecord/lib/active_record/associations/through_association.rb, line 82
        def stale_state
          if through_reflection.belongs_to?
            Array(through_reflection.foreign_key).filter_map do |foreign_key_column|
              owner[foreign_key_column] && owner[foreign_key_column].to_s
            end.presence
          end
        end

stale_state

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