# File lib/couchrest/model/designs/view.rb, line 259
        def descending
          if query[:startkey] || query[:endkey]
            query[:startkey], query[:endkey] = query[:endkey], query[:startkey]
          elsif query[:startkey_docid] || query[:endkey_docid]
            query[:startkey_docid], query[:endkey_docid] = query[:endkey_docid], query[:startkey_docid]
          end
          update_query(:descending => true)
        end