Shouldn't that be a prefetch related and not select related?
Le 19 juil. 2012 16:52, "Tomas Neme" <lacrymol...@gmail.com> a écrit :
>
> > {Empresa1, Sucursal1, Platillo1, Horario1},
> > {Empresa1, Sucursal1, Platillo2, Horario1},
> > {Empresa2, Sucursal1, Platillo1, Horario1}...
>
> I'm guessing the Sucursal1 in the first and third lines are not the same?
> I mean, each Sucursal points to only one Empresa, so I'm guessing you want
> only the related objects
>
> if this is the case, you can do something like this:
>
> [(empresa, sucursal, platillo, horario) for empresa in
> Empresa.objects.all().select_related()
> for sucursal in
> empresa.sucursal_set.all()
> for platillo in
> empresa.platillo_set.all()
> for horario in
> empresa.horario_set.all()]
>
> that if what you want is a list. If you want just to loop through those,
> you can do
>
> for empresa in Empresa.objects.all().select_related():
> for sucursal in empresa.sucursal_set.all():
> for platillo in empresa.platillo_set.all():
> for horario in empresa.horario_set.all():
> do_something(empresa, sucursal, platillo, horario)
>
> and about the same thing if you want to cycle through them in a template,
> in which case you can just pass { 'empresas':
> Empresa.objects.all().select_related() } and then loop like above on the
> template side
>
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