@Override
  public void applyWatermark(WatermarkStrategy<RowData> watermarkStrategy) {
    if (mixedFormatDynamicSource instanceof SupportsWatermarkPushDown) {
      ((SupportsWatermarkPushDown) mixedFormatDynamicSource).applyWatermark(watermarkStrategy);
    }
  }
@param tableName tableName
@param mixedFormatDynamicSource underlying source
@param mixedTable mixedTable
@param properties With all mixed-format table properties and sql options
@param tableLoader
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/table/MixedFormatDynamicSource.java