#31390: Using Q as rhs value in filter causes SQL Syntax error
     Reporter:  Marcin Wieczorek     |                    Owner:  nobody
         Type:  Bug                  |                   Status:  closed
    Component:  Database layer       |                  Version:  3.0
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:  invalid
     Keywords:  Q filter SQL         |             Triage Stage:
                                     |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
Changes (by Carlton Gibson):

 * status:  new => closed
 * resolution:   => invalid


 > Using Q as rhs value in filter...

 Sorry, this is just a misuse of `Q`. A `Q` represents the expression, not
 just the rhs (or lhs).

 Look at [https://docs.djangoproject.com/en/3.0/topics/db/queries/#complex-
 lookups-with-q the examples from the docs]:

 So in your case you need `A.objects.filter(Q())` (not `pk=Q()`)

 Please use support channels if you have further queries.

Ticket URL: <https://code.djangoproject.com/ticket/31390#comment:1>
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