Method InputFinished

cpp/src/arrow/acero/tpch_node.cc:3378–3378

  [[noreturn]] Status InputReceived(ExecNode*, ExecBatch) override { NoInputs(); }

  [[noreturn]] Status InputFinished(ExecNode*, int) override { NoInputs(); }

  Status StartProducing() override {
    RETURN_NOT_OK(generator_->StartProducing(