@Override
  public String factoryIdentifier() {
    return CatalogFactoryOptions.UNIFIED_IDENTIFIER;
  }
UnifiedDynamicTableFactory is a factory for creating dynamic table sources and sinks. It
implements both DynamicTableSourceFactory and DynamicTableSinkFactory interfaces.
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/table/UnifiedDynamicTableFactory.java