Method getOutput

bolt/exec/tests/MultiFragmentTest.cpp:1801–1804

            std::move(exchangeClient)) {}

  RowVectorPtr getOutput() override {
    stats_.wlock()->addRuntimeStat("testCustomExchangeStat", RuntimeCounter(1));
    return exec::Exchange::getOutput();
  }
};

class TestCustomExchangeTranslator : public exec::Operator::PlanNodeTranslator {