On Fri, Oct 17, 2014 at 2:53 PM, Taenyon Kim <[email protected]> wrote:

> Example
>
> class ModelA(models.Model):
>     fielda = models.CharField(max_length=10)
>
> class ModelB(models.Model):
>     modela = models.ForeignKey(ModelA)
>     fieldb = models.CharField(max_length=10)
>
>
> When I query like "modela_instance.modelb_set()", then I will get
> KeyError: u'manager' as shown below:
>

AFAIK, you want something like "modela_instance.modelb_set.all()" - just
modela_instance.modelb_set() is the manager instance that you call call
methods on (like 'all', 'filter', etc.), but calling the manager directly
doesn't quite work, as you found out :)

All the best,
Sanjay

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