# File lib/mongo/database/view.rb, line 51
      def collection_names(options = {})
        @batch_size = options[:batch_size]
        server = next_primary(false)
        @limit = -1 if server.features.list_collections_enabled?
        session = client.send(:get_session, options)
        collections_info(server, session, name_only: true).collect do |info|
          if server.features.list_collections_enabled?
            info[Database::NAME]
          else
            (info[Database::NAME] &&
              info[Database::NAME].sub("#{@database.name}.", ''))
          end
        end
      end