still don't work. The value before still mantains. Maybe I have to drop the column and create it again?
2010/1/14 mdipierro <mdipie...@cs.depaul.edu>
> Make sure Field(...,default=None, update=None)
>
> On Jan 14, 9:47 am, Alexandre Andrade <alexandrema...@gmail.com>
> wrote:
> > db.order_detail.total.compute=lambda r: r['qtd']*r['price']
> >
> > don't work on updates
> >
> > 2010/1/14 mdipierro <mdipie...@cs.depaul.edu>
> >
> >
> >
> > > with 1.74.5 and later you only need
> >
> > > db.order_detail.total.compute=lambda r: r['qtd']*r['price']
> >
> > > On Jan 14, 8:51 am, Alexandre Andrade <alexandrema...@gmail.com>
> > > wrote:
> > > > What is the best solution to automatically calculate a total field?
> >
> > > > db.define_table ('order_detail',
> > > > Field('product_name'),
> > > > Field('qtd', 'integer'),
> > > > Field('price', 'integer'),
> > > > Field('total', 'integer', writable=False)
> > > > )
> >
> > > > Where total = qtd * price
> >
> > > > requires and a custom validator? how to do?
> > > > onvalidation on form? how to do?
> >
> > > > --
> > > > Atenciosamente
> >
> > > > --
> > > > =========================
> > > > Alexandre Andrade
> > > > Hipercenter.com
> >
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> > --
> > Atenciosamente
> >
> > --
> > =========================
> > Alexandre Andrade
> > Hipercenter.com
>
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Atenciosamente
--
=========================
Alexandre Andrade
Hipercenter.com
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