presto-tpch/src/main/java/io/prestosql/plugin/tpch/statistics/TableStatisticsDataRepository.java/TableStatisticsDataRepository/getPartitionDescription
class TableStatisticsDataRepository:    private Optional<String> getPartitionDescription(Optional<TpchColumn<?>> partitionColumn, Optional<String> partitionValue)
    {
        checkArgument(partitionColumn.isPresent() == partitionValue.isPresent());
        return withBoth(partitionColumn, partitionValue, (column, value) -> column.getColumnName() + "." + value);
    }