#24687: select_related field validation doesn't work for nested non-relation
fields
-------------------------------------+-------------------------------------
Reporter: timgraham | Owner: nobody
Type: Bug | Status: new
Component: Database | Version: 1.8
layer (models, ORM) |
Severity: Normal | Keywords:
Triage Stage: Accepted | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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The validation added in #10414 only occurs if the field is on the
immediate model, or if it's invalid:
{{{#!python
>>> Person.objects.select_related('foo')
django.core.exceptions.FieldError: Invalid field name(s) given in
select_related: 'foo'. Choices are: hometown
>>> Person.objects.select_related('hometown__foo')
django.core.exceptions.FieldError: Invalid field name(s) given in
select_related: 'foo'. Choices are: mayor
>>> Person.objects.select_related('hometown__name')
# query = select ... blah
[ Person object ...]
>>> Person.objects.select_related('name')
django.core.exceptions.FieldError: Non-relational field given in
select_related: 'name'. Choices are: hometown
}}}
Notice how it will happily accept the third one. Failing test attached.
--
Ticket URL: <https://code.djangoproject.com/ticket/24687>
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