destroy_session

# File activerecord/lib/active_record/session_store.rb, line 336
      def destroy_session(env, session_id, options)
        if sid = current_session_id(env)
          Base.silence do
            get_session_model(env, sid).destroy
            env[SESSION_RECORD_KEY] = nil
          end
        end

        generate_sid unless options[:drop]
      end