presto-kudu/src/main/java/io/prestosql/plugin/kudu/properties/PartitionDesign.java/PartitionDesign/hasPartitions
class PartitionDesign:    public boolean hasPartitions()
    {
        return hash != null && !hash.isEmpty() && !hash.get(0).getColumns().isEmpty()
                || range != null && !range.getColumns().isEmpty();
    }