presto-orc/src/main/java/io/prestosql/orc/metadata/statistics/ColumnStatistics.java/ColumnStatistics/hashCode
class ColumnStatistics:    @Override
    public int hashCode()
    {
        return Objects.hash(
                hasNumberOfValues,
                getNumberOfValues(),
                booleanStatistics,
                integerStatistics,
                doubleStatistics,
                stringStatistics,
                dateStatistics,
                decimalStatistics,
                binaryStatistics,
                bloomFilter);
    }