Method StopProducing

r/src/compute-exec.cpp:170–189

  }

  void StopProducing() {
    if (plan_status_ == PLAN_RUNNING) {
      // We're done with the plan, but it may still need some time
      // to finish and clean up after itself. To do this, we give a
      // callable with its own copy of the shared_ptr<ExecPlan> so
      // that it can delete itself when it is safe to do so.
      std::shared_ptr<arrow::acero::ExecPlan> plan(plan_);
      bool not_finished_yet = plan_->finished().TryAddCallback(
          [&plan] { return [plan](const arrow::Status&) {}; });

      if (not_finished_yet) {
        plan_->StopProducing();
      }
    }

    plan_status_ = PLAN_FINISHED;
    // A previous version of this called plan_.reset() and reset
    // sink_gen_ to an empty generator; however, this caused
    // crashes on some platforms.
  }
};

// [[acero::export]]