Method Filter

cpp/src/arrow/dataset/scanner.cc:937–944

}

Status ScannerBuilder::Filter(const compute::Expression& filter) {
  for (const auto& ref : FieldsInExpression(filter)) {
    RETURN_NOT_OK(ref.FindOne(*scan_options_->dataset_schema));
  }
  ARROW_ASSIGN_OR_RAISE(scan_options_->filter,
                        filter.Bind(*scan_options_->dataset_schema));
  return Status::OK();
}

Status ScannerBuilder::UseThreads(bool use_threads) {
  scan_options_->use_threads = use_threads;