private static Set<Integer> allFieldIds(Collection<PartitionSpec> specs) {
    return FluentIterable.from(specs)
        .transformAndConcat(PartitionSpec::fields)
        .transform(PartitionField::fieldId)
        .toSet();
  }
Checks if any of the specs in a table is partitioned.

@param table the table to check.
@return {@code true} if the table is partitioned, {@code false} otherwise.
iceberg/patched-iceberg-core/src/main/java/org/apache/iceberg/Partitioning.java