# File lib/moped/collection.rb, line 57
    def rename(to_name)
      begin
        session.
          with(database: "admin", read: :primary).
          command(renameCollection: "#{database.name}.#{name}", to: "#{database.name}.#{to_name}")
      rescue Moped::Errors::OperationFailure => e
        raise e unless e.ns_not_exists?
        false
      end
    end