presto-main/src/main/java/io/prestosql/type/TimeWithTimeZoneOperators.java/TimeWithTimeZoneOperators/xxHash64
class TimeWithTimeZoneOperators:    @ScalarOperator(XX_HASH_64)
    @SqlType(StandardTypes.BIGINT)
    public static long xxHash64(@SqlType(StandardTypes.TIME_WITH_TIME_ZONE) long value)
    {
        return XxHash64.hash(unpackMillisUtc(value));
    }