On Mon, Jul 11, 2011 at 7:10 AM, Cal Leeming [Simplicity Media Ltd] <
cal.leem...@simplicitymedialtd.co.uk> wrote:

> +1 on raw SQL in this instance.


Not exactly, using ORM is pretty easy too. You would do something like this:

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')

-V

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