Method AllColumns

cpp/src/arrow/dataset/scanner.cc:74–80

}

std::vector<FieldPath> ScanV2Options::AllColumns(const Schema& dataset_schema) {
  std::vector<FieldPath> selection(dataset_schema.num_fields());
  for (int i = 0; i < dataset_schema.num_fields(); i++) {
    selection[i] = {i};
  }
  return selection;
}

Status ScanV2Options::AddFieldsNeededForFilter(ScanV2Options* options) {
  std::vector<FieldRef> fields_referenced = FieldsInExpression(options->filter);