Got it. In that case, compute wouldn't have worked anyway.
On Tuesday, March 10, 2015 at 1:09:12 PM UTC-4, Louis Amon wrote:
>
> My url builder requires the « id » field so _before_insert wouldn’t work.
>
> That’s a good suggestion though!
>
> Thanks Anthony :)
>
> Le 10 mars 2015 à 18:00, Anthony <abasta...@gmail.com> a écrit :
>
> Might be easier with a _before_insert callback, so you can add the new
> value along with the initial insert instead of after:
>
> db.mytable._before_insert.append(lambda fields: fields.update(url=make_url
> (fields)))
>
> Anthony
>
> On Tuesday, March 10, 2015 at 12:10:12 PM UTC-4, Niphlod wrote:
>>
>> code an _after_insert callback.
>>
>> On Tuesday, March 10, 2015 at 4:21:26 PM UTC+1, Louis Amon wrote:
>>>
>>> I'm trying to hard-code URLs for SEO purposes so I have a function
>>> ("make_url(row)") that builds the paths based on other fields.
>>>
>>> I was thinking of using "compute=make_url", but it seems that update
>>> operations also call the compute.
>>>
>>>
>>> Is there a way to use compute only on INSERT operations, and not on
>>> UPDATE ?
>>>
>>
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