#31324: Filter JSONField using `=None`
-------------------------------------+-------------------------------------
     Reporter:  Nikolay Tretyak      |                    Owner:  Nikolay
                                     |  Tretyak
         Type:  Bug                  |                   Status:  assigned
    Component:  Database layer       |                  Version:  3.0
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:  Accepted
    Has patch:  1                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
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Comment (by Carlton Gibson):

 If we're going to conjecture, I think in reality most users set a default,
 such as `dict`, so they don't have empty fields... — but I stand by point:
 if you're using JSONField you're best off setting `null` as the empty
 value, so all fields contain JSON.

 For this ticket, the relevant point it that I don't think we should have
 the API favour SQL-like usage over JSON-like usage. And I really don't
 think `=None` should behave differently for the base field as against a
 nested key. JSONFields aren't quite the same as other fields OK—can we doc
 that better—but they should be internally consistent so if I'm using one,
 I can have reasonable expectations about how they'll behave.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/31324#comment:12>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

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