On Mon, Jul 11, 2011 at 10:36 PM, Jonas Geiregat <jo...@geiregat.org> wrote:

> >
> > results.extra(select={
> >                             'distance':
> '(acos(sin(latitude)*sin(%(latitude)f)+cos(latitude)*cos(%(latitude)f)*cos(%(longitude)f-longitude)))'
>  % {
> >                                  'latitude': latitude,
> >                                  'longitude': longitude
> >                             }
> >                         }).order_by('distance')
> >
>
> This is an interesting solution to the issue. I never really looked into
> the extra method.
> So I read the docs and I'm wondering if it wouldn't be better to use the
> select_params parameter ?
>

I havent used this with select_params, but doesnt that require that you type
the same argument couple of times to match the parameters.
I prefer this 'named' parameter list, as it is easy to manage and read. Isnt
it?

-V

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