#30477: Filtering on reverse ForeignKey relation uses get_db_prep_value from a
wrong field.
-------------------------------------+-------------------------------------
     Reporter:  Michal Petrucha      |                    Owner:  nobody
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  master
  (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
-------------------------------------+-------------------------------------
Changes (by felixxm):

 * stage:  Unreviewed => Accepted


Comment:

 Thanks for this report. I was able to reproduce this issue on all backends
 except PostgreSQL. It looks that using foreign keys to models with custom
 primary keys that require preparing DB value is not a common use case.

 Reproduced at 7619a33665ccc138c1583a2cce5a5de6d86c9cb4.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/30477#comment:1>
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