Method IsSupported

cpp/src/arrow/dataset/file_orc.cc:147–150

OrcFileFormat::OrcFileFormat() : FileFormat(/*default_fragment_scan_options=*/nullptr) {}

Result<bool> OrcFileFormat::IsSupported(const FileSource& source) const {
  RETURN_NOT_OK(source.Open().status());
  return OpenORCReader(source).ok();
}

Result<std::shared_ptr<Schema>> OrcFileFormat::Inspect(const FileSource& source) const {
  ARROW_ASSIGN_OR_RAISE(auto reader, OpenORCReader(source));