Method OpenReadable

cpp/src/arrow/io/file.cc:103–111

  }

  Status OpenReadable(const std::string& path) {
    RETURN_NOT_OK(SetFileName(path));

    ARROW_ASSIGN_OR_RAISE(fd_, ::arrow::internal::FileOpenReadable(file_name_));
    ARROW_ASSIGN_OR_RAISE(size_, ::arrow::internal::FileGetSize(fd_.fd()));

    mode_ = FileMode::READ;
    return Status::OK();
  }

  Status OpenReadable(int fd) {
    ARROW_ASSIGN_OR_RAISE(size_, ::arrow::internal::FileGetSize(fd));