sorted simpledb select support (ruby 1.8)

patch.rb

module Fog
  module Parsers
    module AWS
      module SimpleDB

        class Select < Fog::Parsers::AWS::SimpleDB::Basic

          class ItemEnumeration
            include Enumerable
            attr_writer :response
            def initialize
              @contents = []
            end

            def <<(obj)
              @contents << obj
            end

            def each
              @contents.each do |item_name|
                yield(@response['Items'][item_name])
              end
            end
          end

          def reset
            @item_name = @attribute_name = nil
            @response = { 'Items' => {}, 'Enumeration' => ItemEnumeration.new }
            @response['Enumeration'].response = @response
          end

          def end_element(name)
            case name
            when 'BoxUsage'
              response[name] = value.to_f
            when 'Item'
              @item_name = @attribute_name = nil
            when 'Name'
              if @item_name.nil? 
                @item_name = value
                response['Enumeration'] << @item_name
                response['Items'][@item_name] = {}
              else
                @attribute_name = value
                response['Items'][@item_name][@attribute_name] ||= []
              end
            when 'NextToken', 'RequestId'
              response[name] = value
            when 'Value'
              response['Items'][@item_name][@attribute_name] << sdb_decode(value)
            end
          end

        end

      end
    end
  end
end

query = "select * from documents where created_at is not null order by created_at"
items = sdb.select( query ).body["Enumeration"]
# sorted.
items.each { ... }