presto-main/src/main/java/io/prestosql/type/TimeWithTimeZoneOperators.java/TimeWithTimeZoneOperators/lessThan
class TimeWithTimeZoneOperators:    @ScalarOperator(LESS_THAN)
    @SqlType(StandardTypes.BOOLEAN)
    public static boolean lessThan(@SqlType(StandardTypes.TIME_WITH_TIME_ZONE) long left, @SqlType(StandardTypes.TIME_WITH_TIME_ZONE) long right)
    {
        return unpackMillisUtc(left) < unpackMillisUtc(right);
    }