private static void checkNameFormat(String name) throws MetadataException {
    if (!((name.startsWith("`") && name.endsWith("`")))
        && (name.contains(".") || name.contains("*"))) {
      throw new MetadataException(String.format("%s is an illegal name.", name));
    }
  }
check whether the node name uses "." or "*" correctly
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/utils/MetaFormatUtils.java