presto-hive/src/main/java/io/prestosql/plugin/hive/statistics/MetastoreHiveStatisticsProvider.java/MetastoreHiveStatisticsProvider/createDecimalRange
class MetastoreHiveStatisticsProvider:    private static Optional<DoubleRange> createDecimalRange(DecimalStatistics statistics)
    {
        if (statistics.getMin().isPresent() && statistics.getMax().isPresent()) {
            return Optional.of(new DoubleRange(statistics.getMin().get().doubleValue(), statistics.getMax().get().doubleValue()));
        }
        return Optional.empty();
    }