private static String getLegacyProperty(String property) {
    if (property == null) {
      return null;
    }
    switch (property) {
      case HiveTableProperties.MIXED_TABLE_FLAG:
        return HiveTableProperties.AMORO_TABLE_FLAG_LEGACY;
      default:
        return null;
    }
  }
PropertyUtil compatible with legacy hive properties
amoro-format-mixed/amoro-mixed-hive/src/main/java/org/apache/amoro/hive/utils/CompatibleHivePropertyUtil.java