@Override
  public void renameTable(TableIdentifier from, String newTableName) {
    throw new UnsupportedOperationException("unsupported rename mixed-hive table for now.");
  }
HMS is case-insensitive for table name and database
amoro-format-mixed/amoro-mixed-hive/src/main/java/org/apache/amoro/hive/catalog/MixedHiveCatalog.java