@Override
  public void close() throws IOException {
    if (loader != null) {
      loader.close();
    }
  }
Continuous planning {@link KeyedTable} by {@link MixedFormatEnumeratorOffset} and generate a
{@link ContinuousEnumerationResult}.

<p>{@link ContinuousEnumerationResult#splits()} includes the {@link SnapshotSplit}s and {@link
ChangelogSplit}s.
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/read/hybrid/enumerator/ContinuousSplitPlannerImpl.java