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