method

primary_key

v4.2.9 - Show latest stable - 0 notes - Class: ActiveRecord::Reflection::ThroughReflection

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primary_key(klass) protected

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# File activerecord/lib/active_record/reflection.rb, line 874
        def primary_key(klass)
          klass.primary_key || raise(UnknownPrimaryKey.new(klass))
        end

primary_key

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