You can also use with crud.create()
crud.settings.create_onvalidation=lambda form:
form.vars.update(field2=form.vars.field1)
and crud.update()
crud.settings.update_onvalidation=lambda form:
form.vars.update(field2=form.vars.field1)
or with SQLFORM
from.accept(...., onvalidation=lambda form:
form.vars.update(field2=form.vars.field1)):
On Feb 6, 2:45 am, Adi <aditya.sa...@gmail.com> wrote:
> I searched for "compute" in the scribd document on the website and
> didn't find this. It should be included as it is quite helpful.
>
> On Feb 5, 11:42 pm, Thadeus Burgess <thade...@thadeusb.com> wrote:
>
> > Is this not in the book or did I miss it?
>
> > -Thadeus
>
> > On Fri, Feb 5, 2010 at 5:34 AM, Adi <aditya.sa...@gmail.com> wrote:
> > > Awesome, works as expected.
>
> > > Only change is that the request variables were strings and had to be
> > > converted into respective data types. Thanks a lot.
>
> > > On Feb 5, 4:19 pm, hywang <why00...@163.com> wrote:
> > >> something like this
> > >> def _compute():
> > >> return request.vars.in_time + request.vars.duration##
>
> > >> db.define_table('mytable', Field('in_time','datetime'),
> > >> Field('duration', 'integer'), Field('end_time','datetime', compute =
> > >> _compute))
>
> > >> On Feb 5, 6:51 pm, Adi <aditya.sa...@gmail.com> wrote:
>
> > >> > Hi,
>
> > >> > I have a table with 3 fields:
>
> > >> > db.define_table('mytable', Field('in_time','datetime'),
> > >> > Field('duration', 'integer'), Field('end_time','datetime'))
>
> > >> > The user enters in_time and duration (in hours) in SQLFORM, but now I
> > >> > want to calculate and store end_time using
> > >> > end_time = in_time + timeinterval(hours = duration).
>
> > >> > I'm not able to achieve this. How do I refer to a record's other
> > >> > fields to specify default value of a field?
>
> > >> > Thanks.
>
> > > --
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> > > "web2py-users" group.
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>
>
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