Anthony,

Worked fine...


Thanks very much...

Marcello


On Thursday, May 3, 2012 1:07:35 PM UTC-3, Anthony wrote:
>
> I believe the argument to Field.Virtual and Field.Lazy just needs to be a 
> callable object that takes a Row object as an argument, so you could write 
> a function and then pass that function.
>
> def myfield(row):
>     [code to generate field value from row object]
>     return value
>
> db.mytable.myvirtualfield = Field.Lazy(myfield)
>
> Anthony
>
> On Thursday, May 3, 2012 11:32:34 AM UTC-4, Marcello wrote:
>>
>> Hello,
>>
>> I need to implement a lazy field, that should have some lines of code, 
>> with some conditions...
>> The new style example in the book, just have simple calculation fields...
>>
>> Can someone point me some example on it's syntax ??
>>
>> I could make it with the old way, but would like to do with new style...
>>
>>
>> Thanks
>> Marcello
>>
>

Reply via email to