Method buffer_reservation

be/src/runtime/query-state.h:185–188

The following getters are only valid after Init() and should be called only from the backend execution (ie. not the coordinator side, since they require holding an backend resource refcnt).

  /// the backend execution (ie. not the coordinator side, since they require holding
  /// an backend resource refcnt).
  ReservationTracker* buffer_reservation() const {
    DCHECK_GT(backend_resource_refcnt_.Load(), 0);
    return buffer_reservation_;
  }
  InitialReservations* initial_reservations() const { return initial_reservations_; }
  TmpFileGroup* file_group() const {
    DCHECK_GT(backend_resource_refcnt_.Load(), 0);