Method Finish

cpp/examples/arrow/engine_substrait_consumption.cc:48–56

  }

  arrow::Future<> Finish() override {
    // Signal to the consumer that the last batch has been delivered
    // (we don't do any real work in this consumer so mark it finished immediately)
    //
    // The returned future should only finish when all outstanding tasks have completed
    // (after this method is called Consume is guaranteed not to be called again)
    std::cout << "-" << tag_ << " finished" << std::endl;
    return arrow::Future<>::MakeFinished();
  }

 private:
  // A unique label for instances to help distinguish logging output if a plan has