Method ScanHashTable_on_finished

cpp/src/arrow/acero/hash_join.cc:677–683

  }

  Status ScanHashTable_on_finished(size_t thread_index) {
    if (cancelled_) {
      return Status::Cancelled("Hash join cancelled");
    }
    END_SPAN(span_);
    return finished_callback_(num_batches_produced_.load());
  }

  Status ScanHashTable(size_t thread_index) {
    MergeHasMatch();