On Apr 10, 3:58 pm, Mojave <[EMAIL PROTECTED]> wrote:
> Given:
>
> class Topic(models.Model):
> title = models.CharField(maxlength=200)
> link = models.CharField(maxlength=200)
>
> class Item(models.Model):
> topic = models.ForeignKey(Topic)
> user = models.ForeignKey(User)
>
> I want to get a list of Items ordered by the title of their Topic:
>
> item_list = Item.objects.order_by('topics_topic.title')
>
> That's straight out of the
> documentationhttp://www.djangoproject.com/documentation/db-api/#limiting-querysets
> but I get an exception: "Unknown table 'topics_topic' in order clause"
I believe the query on Item objects is not joining in your
topics_topic table at all. Try:
item_list =
Item.objects.select_related().order_by('topics_topic.title')
-Rajesh D
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