>>>>>All in all, they're really the same thing.
>>>>
>>>>No, your code is not the same as Dmitry's and it doesn't test all conditions.
>>>
>>>How so?
>>
>>You're right, actually, I just realised that (wanted to update my reply, but it was too late) and made a quick test. It is indeed the same and it's better, though perhaps still not obvious and ISNULL tests would be more transparent (or some comments may help).
>
>This means that you and I should close UT and get some life <bg>.

<bg>