I have done it. Post it soon. Yet, it is append.
On Oct 31, 3:45 pm, "mr.freeze" <[email protected]> wrote:
> virtualfields.append not add, right? Sounds good to me. Shall I take
> a crack at it or do you already have it in trunk :)
>
> On Oct 31, 3:31 pm, mdipierro <[email protected]> wrote:
>
> > or just
>
> > db.table.virtualfields.add(ComputedFields())
>
> > as a lazy
>
> > rows.setvirtualfields(table=ComputedFields())
>
> > it can be implemented in two lines if ok.
>
> > Massimo
>
> > On Oct 31, 3:04 pm, mdipierro <[email protected]> wrote:
>
> > > I like it but with some caveats. In
>
> > > rows.setvirtualfields(total=ComputedFields())
>
> > > we need to specify total to clarify the table or virtualtable the
> > > virtualfields are attached to.
> > > when attaching virtualfields to a table there is no need to specify
> > > that.
>
> > > So I think it should just be:
>
> > > table.addvirtualfields(ComputeFields())
>
> > > Implementation:
>
> > > The argument would be appended to
>
> > > table._virtualfields=[]
>
> > > and the latter would be precessed by
>
> > > Set.parse
>
> > > that for each element table._virtualfields would call
>
> > > setvirtualfields
>
> > > On Oct 31, 1:16 pm, "mr.freeze" <[email protected]> wrote:
>
> > > > Virtual fields are my new favorite thing. Currently you must call
> > > > setvirtualfields after each select. What about adding the ability to
> > > > setvirtualfields at the Table level so that any select will call
> > > > setvirtualfields automatically? Pseudocode:
>
> > > > db.define_table('mytable',Field('cost'),Field('quantity'))
> > > > class ComputedFields:
> > > > def amount(self):
> > > > return self.mytable.cost*self.mytable.quantity
> > > > db.mytable.setvirtualfields(total=ComputedFields())
>
> > > > What do you think?
>
>
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"web2py-users" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to
[email protected]
For more options, visit this group at
http://groups.google.com/group/web2py?hl=en
-~----------~----~----~----~------~----~------~--~---