presto-orc/src/main/java/io/prestosql/orc/metadata/statistics/LongDecimalStatisticsBuilder.java/LongDecimalStatisticsBuilder/buildColumnStatistics
class LongDecimalStatisticsBuilder:    @Override
    public ColumnStatistics buildColumnStatistics()
    {
        Optional<DecimalStatistics> decimalStatistics = buildDecimalStatistics();
        return new ColumnStatistics(
                nonNullValueCount,
                decimalStatistics.map(s -> DECIMAL_VALUE_BYTES_OVERHEAD + LONG_DECIMAL_VALUE_BYTES).orElse(0L),
                null,
                null,
                null,
                null,
                null,
                decimalStatistics.orElse(null),
                null,
                null);
    }