Hello,
I just solved it, and went with a @property. On Build I have:
@property
def values(self):
return Value.objects.filter(grouping__build=self)
and on the Value I have:
@property
def build(self):
return self.grouping.build
This way I stay backwards compatible and didn’t even have to change my
templates and such. Thanks for the tips, though!
Best,
Gergely
2015-10-14 15:09 GMT+02:00 Carsten Fuchs <[email protected]>:
> Am 14.10.2015 um 11:11 schrieb Gergely Polonkai:
>
>> This setup, though, doesn’t feel right, as it contains redundancy. Is
>> there a way to
>> access the list of Values directly from Build without having this
>> redundancy?
>>
>
> Well, you can filter your Value queryset by Build, see
>
> https://docs.djangoproject.com/en/1.8/topics/db/queries/#lookups-that-span-relationships
>
> Or, starting with a Build instance, you can work towards the Value
> instances, see
> https://docs.djangoproject.com/en/1.8/topics/db/queries/#related-objects
>
> Best regards,
> Carsten
>
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