protected boolean predicate(RowData value) {
    return Optional.ofNullable(rowDataPredicate)
        .map(predicate -> !predicate.test(value))
        .orElse(false);
  }
Use a unique index to lookup. Working for the situation where the join keys include the
mixed-format table's primary keys.
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/lookup/UniqueIndexTable.java