web2py doesn't know if a field has been edited or not. form.vars (for a
standard web2py form) holds EVERY value, irregardless of the ones touched
or not by the user...
On Thursday, March 5, 2015 at 4:17:26 PM UTC+1, Richard wrote:
>
> Futher check make me confirm which I thought :
>
> **{f: v for f, v in form.vars.iteritems()}
>
> Prevent my compute to work since it return only the fields modify by the
> user... I need to understand how web2py really update on form submit and
> why compute works in this case...
>
> Or how can I make sure that every fields get update even if there is not
> any values change which should be what web2py do...
>
> Richard
>
> On Wed, Mar 4, 2015 at 5:05 PM, Anthony <abas...@gmail.com <javascript:>>
> wrote:
>
>> The update should calculate the computed field as long as all the values
>> needed for the calculation are included with the update.
>>
>> Anthony
>>
>>
>> On Wednesday, March 4, 2015 at 4:55:01 PM UTC-5, Richard wrote:
>>>
>>> Thanks for answering Anthony,
>>>
>>> Actually f1 and f2 belongs to the table, I am filtering them because I
>>> want to treat them separately...
>>>
>>> About your question, I am investigating why my compute didn't work... My
>>> first impression is that it is not include in form.vars so it not get hit
>>> at all... But I am not sure of that...
>>>
>>> Richard
>>>
>>> On Wed, Mar 4, 2015 at 4:44 PM, Anthony <abas...@gmail.com <javascript:>
>>> > wrote:
>>>
>>>> Does form.vars include all the variables needed by the compute function?
>>>>
>>>> Also, instead of:
>>>>
>>>> **{f: v for f, v in form.vars.iteritems()}
>>>>
>>>> you can do:
>>>>
>>>> **db[request.args(0)]._filter_fields(form.vars)
>>>>
>>>> _filter_fields will filter out the "id" field as well as any form.vars
>>>> that are not fields in the table.
>>>>
>>>> Anthony
>>>>
>>>>
>>>>
>>>>
>>>> On Wednesday, March 4, 2015 at 4:35:37 PM UTC-5, Richard wrote:
>>>>>
>>>>> Hello,
>>>>>
>>>>> I need to do control record update in order to clear some fields
>>>>> values in case a flag is set to false. But doing the update like this :
>>>>>
>>>>>
>>>>> db(db[request.args(0)].id == request.args(1)).update(**{f: v for f, v
>>>>> in form.vars.iteritems()})
>>>>>
>>>>> prevent a compute field to be trigger and updating properly as well...
>>>>>
>>>>> So, to make sure my compute field get it I am doing another update()
>>>>> like this
>>>>>
>>>>>
>>>>> db(db[request.args(0)].id == request.args(1)).update()
>>>>>
>>>>>
>>>>> Which work in one case by not in the other where I actually clear some
>>>>> values like this :
>>>>>
>>>>>
>>>>> db(db[request.args(0)].id == request.args(1)).update(f1=None, f2=None,
>>>>> **{f: v for f, v in form.vars.iteritems() if f not in ('f1', 'f2')})
>>>>>
>>>>>
>>>>> Maybe I should do a db.commit() before my second "blank" update()
>>>>> though it seems to me that it should be a better way and I am concern in
>>>>> reducing db hit.
>>>>>
>>>>> Thanks
>>>>>
>>>>> Richard
>>>>>
>>>>> --
>>>> Resources:
>>>> - http://web2py.com
>>>> - http://web2py.com/book (Documentation)
>>>> - http://github.com/web2py/web2py (Source code)
>>>> - https://code.google.com/p/web2py/issues/list (Report Issues)
>>>> ---
>>>> You received this message because you are subscribed to the Google
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>>>> an email to web2py+un...@googlegroups.com <javascript:>.
>>>> For more options, visit https://groups.google.com/d/optout.
>>>>
>>>
>>> --
>> Resources:
>> - http://web2py.com
>> - http://web2py.com/book (Documentation)
>> - http://github.com/web2py/web2py (Source code)
>> - https://code.google.com/p/web2py/issues/list (Report Issues)
>> ---
>> You received this message because you are subscribed to the Google Groups
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>>
>
>
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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