On Tue, Oct 27, 2009 at 6:47 PM, david <[email protected]> wrote:

>
> OK, but when I write:
>
> for r in rutas:
>             self.response.out.write("""<id>%s</id></ruta>""" % r.key
> ())
>
> I always get the same value. Why?
>

Are you sure it's the same value? Key strings for a given app and kind will
all have an identical prefix, but will differ towards the end.

-Nick Johnson


>
> On Oct 27, 7:14 pm, "Nick Johnson (Google)" <[email protected]>
> wrote:
> > Hi david,
> >
> > You need to call .key() on your model - it's a method, not a property.
> >
> > -Nick Johnson
> >
> >
> >
> > On Tue, Oct 27, 2009 at 5:30 PM, david <[email protected]> wrote:
> >
> > > I'm programming with the DataStore of GAE and am trying to get the
> > > unique identifier for instances of a
> > > db.Model, how do you get?
> >
> > > For example:
> >
> > > class Ruta(db.Model):
> > >  titulo = db.StringProperty()
> > >  KML = db.BlobProperty()
> >
> > > class mostrarIndice(webapp.RequestHandler):
> > >    def get(self):
> > >        rutas = db.GqlQuery ("SELECT * FROM Ruta")
> > >        for r in rutas:
> > >            self.response.out.write("""<id>%s</id></ruta>""" % ¿?¿?¿?)
> >
> > > I have tried r.key () but I get the same value for all instances.
> >
> > > Thank you very much.
> > > See you.
> > > David.
> >
> > --
> > Nick Johnson, Developer Programs Engineer, App Engine
> > Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration
> Number:
> > 368047
> >
>


-- 
Nick Johnson, Developer Programs Engineer, App Engine
Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number:
368047

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