https://docs.djangoproject.com/en/dev/topics/db/queries/#many-to-many-relationshipsfor
more information. (Unless I read your question wrong :))
On Sat, Jun 2, 2012 at 4:15 AM, Kurtis Mullins <kurtis.mull...@gmail.com>wrote:
> Have you tried b.haveone.all()?
>
>
> On Sat, Jun 2, 2012 at 12:36 AM, Thomas Lockhart
> <tlockhart1...@gmail.com>wrote:
>
>> I've got two models with one having a many-to-many relationship with the
>> other:
>>
>> class A(models.Model):
>> name = models.CharField("name")
>>
>> class B(models.Model):
>> haveone = models.ManyToManyField(A)
>>
>> What is the idiom for getting all instances of A which are referenced in
>> B? I found this works:
>>
>> A.objects.annotate(n=models.**Count('b')).filter(n__gt=0)
>>
>> But istm that there is probably a more concise and straightforward way to
>> accomplish this (and the solution is probably obvious but it is escaping
>> me). tia
>>
>> - Tom
>>
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