module ActiveRecord
  class AttributeSet # :nodoc:
    class Builder # :nodoc:
      def build_from_database(values = {}, additional_types = {})
        # CPK
        # if always_initialized && !values.key?(always_initialized)
        #   values[always_initialized] = nil
        # end
        Array(always_initialized).each do |always_initialized_attribute|
          if always_initialized_attribute && !values.key?(always_initialized_attribute)
            values[always_initialized_attribute] = nil
          end
        end
        
        attributes = LazyAttributeHash.new(types, values, additional_types)
        AttributeSet.new(attributes)
      end
    end
  end
end