Method ls

tiledb/sm/array/array_directory.cc:591–629

}

std::vector<URI> ArrayDirectory::ls(const URI& uri) const {
  auto dir_entries = resources_.get().vfs().ls_with_sizes(uri);
  auto& dirs = dir_names();
  std::vector<URI> uris;
  uris.reserve(dir_entries.size());

  for (auto entry : dir_entries) {
    auto entry_uri = URI(entry.path().native());

    // Always list directories
    if (entry.is_directory()) {
      uris.emplace_back(entry_uri);
      continue;
    }

    // Filter out empty files of the same name as the directory
    if (entry_uri.remove_trailing_slash() == uri.remove_trailing_slash() &&
        entry.file_size() == 0) {
      continue;
    }

    // List non-known (user-added) directory names and non-empty files
    auto iter = dirs.find(entry_uri.last_path_part());
    if (iter == dirs.end() || entry.file_size() > 0) {
      uris.emplace_back(entry_uri);
    } else {
      // Handle MinIO-based s3 implementation limitation. If an object exists
      // with the same name as a directory, the objects under the directory are
      // masked and cannot be listed. See
      // https://github.com/minio/minio/issues/7335
      throw ArrayDirectoryException(
          "Cannot list given uri; File '" + entry_uri.to_string() +
          "' may be masking a non-empty directory by the same name. Removing "
          "that file might fix this.");
    }
  }

  return uris;
}

std::vector<URI> ArrayDirectory::list_root_dir_uris() {
  // List the array directory URIs