Method ProcessREE

cpp/src/arrow/c/bridge.cc:1388–1402

  }

  Status ProcessREE() {
    RETURN_NOT_OK(f_parser_.CheckAtEnd());
    RETURN_NOT_OK(CheckNumChildren(2));
    ARROW_ASSIGN_OR_RAISE(auto run_ends_field, MakeChildField(0));
    ARROW_ASSIGN_OR_RAISE(auto values_field, MakeChildField(1));
    if (!is_run_end_type(run_ends_field->type()->id())) {
      return Status::Invalid("Expected a valid run-end integer type, but struct has ",
                             run_ends_field->type()->ToString());
    }
    if (values_field->type()->id() == Type::RUN_END_ENCODED) {
      return Status::Invalid("ArrowArray struct contains a nested run-end encoded array");
    }
    type_ = run_end_encoded(run_ends_field->type(), values_field->type());
    return Status::OK();
  }

  Result<std::shared_ptr<Field>> MakeChildField(int64_t child_id) {
    const auto& child = child_importers_[child_id];