No problem.
I think I also found how to deal with M instances which are not related to
R (R instances have foreign key to M). I tried
M.filter(related_query_name_from_R__isnull=False) and it seems to work.
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The documentation is wrong, it should be:
# That's now the name of the reverse filter
Article.objects.*filter*(tag__name="important")
I'll commit a documentation admonition and give you credit.
Thanks for spotting this!
Le vendredi 29 août 2014 22:27:38 UTC-4, Petr Glotov a écrit :
>
>
Correction: first sentence of the question should read:
However, a model instance doesn't have filter() method.
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Django doc says:
ForeignKey.related_query_name
New in Django 1.6.
The name to use for the reverse filter name from the target model. Defaults
to the value of related_name if it is set, otherwise it defaults to the
name of the model:
# Declare the ForeignKey with related_query_name
class
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