Method EnsureDirectoryExists

cpp/src/arrow/filesystem/s3fs.cc:3000–3005

  }

  Status EnsureDirectoryExists(const S3Path& path) {
    if (!path.key.empty()) {
      return CreateEmptyDir(path.bucket, path.key);
    }
    return Status::OK();
  }

  Status EnsureParentExists(const S3Path& path) {
    if (path.has_parent()) {