#26983: Boolean filter "field__isnull=False" not working with ForeignKey with
to_field
-------------------------------------+-------------------------------------
Reporter: weidwonder | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.10
(models, ORM) |
Severity: Release blocker | Resolution:
Keywords: queryset | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by charettes):
Replying to [comment:5 MatthewWilkes]:
> I don't believe that IsNull lookups should be converting their values to
the type of the parent field, however the RelatedLookupMixin has useful
looking code for ensuring that MultiColSource is handled correctly.
>
> Would the fix for this be as simple as:
>
> {{{
> class RelatedIsNull(RelatedLookupMixin, IsNull):
> def get_prep_lookup(self):
> return self.rhs
> }}}
> ?
`return super(RelatedLookupMixin, self).get_prep_lookup()` would be more
appropriate.
--
Ticket URL: <https://code.djangoproject.com/ticket/26983#comment:6>
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