Method IsSupported

cpp/src/arrow/dataset/file_csv.cc:373–376

}

Result<bool> CsvFileFormat::IsSupported(const FileSource& source) const {
  RETURN_NOT_OK(source.Open().status());
  return OpenReader(source, *this).ok();
}

Result<std::shared_ptr<Schema>> CsvFileFormat::Inspect(const FileSource& source) const {
  ARROW_ASSIGN_OR_RAISE(auto reader, OpenReader(source, *this));