You probably want to check out select_related:
http://docs.djangoproject.com/en/dev/ref/models/querysets/#id4
On Apr 1, 7:00 am, Federico Capoano <nemesis.des...@libero.it> wrote:
> Hello to all,
>
> has been a while i've been wondering how to optimize Django's queries
> to the database, for example by setting it to use JOIN to retrieve
> foreign keys instead of multiple selects.
>
> for example if I have a blog object that has a category foreign key
> and I write in a template
>
> {{ blog.category.slug }}
>
> I get another query to select the category.
>
> Is there a way I can use a JOIN instead to avoid multiple queries?
>
> Does this have sense for performance optimization?
>
> Thanks
> Federico
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