listVersions method

Future<List<TableVersion>> listVersions(String table, { List<String>? namespace, })

Implementation

Future<List<TableVersion>> listVersions(String table, {List<String>? namespace}) async {
  final response = await _invoke("list_versions", {"table": table, "namespace": namespace});
  if (response is! JsonContent) {
    throw RoomServerException("unexpected return type from database.list_versions call");
  }
  final versions = response.json["versions"];
  if (versions is! List) {
    throw RoomServerException("unexpected return type from database.list_versions call");
  }
  return versions
      .map((value) {
        if (value is! Map) {
          throw RoomServerException("unexpected return type from database.list_versions call");
        }
        final metadataJson = value["metadata_json"];
        if (metadataJson is! String) {
          throw RoomServerException("unexpected return type from database.list_versions call");
        }
        final metadata = jsonDecode(metadataJson);
        if (metadata is! Map) {
          throw RoomServerException("unexpected return type from database.list_versions call");
        }
        return TableVersion(
          version: (value["version"] as num).toInt(),
          timestamp: DateTime.parse(value["timestamp"] as String),
          metadata: Map<String, dynamic>.from(metadata),
        );
      })
      .toList(growable: false);
}