Re: [Modeling-users] usedForLocking

[Mario R. <ma...@ru...>]

On Jeudi, sep 25, 2003, at 20:43 Europe/Zurich, Sebastien Bigaret wrote:
>
>         Hi Mario,
>
> Mario Ruggier <ma...@ru...> wrote:
>> Hi, little issue with usedForLocking, which is mentioned throughout 
>> the
>> the PyModels Attributes section, each page of which points back to 
>> 2.3.3
>> for further explanation, but there is never a word about what this is 
>> for
>> (as far as I can see).
>>
>> What was this thing for?
>
> Funny that you're asking this now that we discuss optimistic locking ;)

Ha, I had not yet caught up with reading all the messages... ;)

> This flag indicates which attributes optimistic locking will check when
> it is about to save changes: if value for attribute 'lastname' has
> changed and 'usedForLocking' is set for tha attr., then under the
> optimistic locking policy saveChanges() will raise; if the flag is
> unset, the attribute will be silently overriden (for example, you
> probably won't mark an object's timestamp as used for locking).

OK, thanks. But this paragraph should also be copy'n'pasted into
in section "2.3.3 Attribute" of the userguide...

mario