# File lib/thinking_sphinx/index/builder.rb, line 101
      def indexes(*args)
        options = args.extract_options!
        args.each do |columns|
          field = Field.new(source, FauxColumn.coerce(columns), options)
          
          add_sort_attribute  field, options   if field.sortable
          add_facet_attribute field, options   if field.faceted
        end
      end