#33091: A FieldError should be raised when trying to update MTI inherited field
with F reference to child field
-------------------------------------+-------------------------------------
     Reporter:  Shai Berger          |                    Owner:  Abhijith
         Type:                       |  Ganesh
  Cleanup/optimization               |                   Status:  assigned
    Component:  Database layer       |                  Version:  dev
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:  Accepted
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------

Comment (by Bhuvnesh):

 I think there is no direct way to get child field from opts of parent
 model in inheritance. The value of field is None at
 
[https://github.com/django/django/blob/9da2210f121085e998dc7cedb783bc4568390b92/django/db/models/sql/query.py#L1631
 this part] ,throwing different field error
 
[https://github.com/django/django/blob/9da2210f121085e998dc7cedb783bc4568390b92/django/db/models/sql/query.py#L1714
 here.] Is it the expected behaviour? or we are supposed to get the child
 field and later raise field error {{{Joined field references are not
 permitted in this query.}}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/33091#comment:8>
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