#21461: Add pre_update and post_update signals
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     Reporter:  loic84               |                    Owner:  loic84
         Type:  New feature          |                   Status:  assigned
    Component:  Database layer       |                  Version:  master
  (models, ORM)                      |               Resolution:
     Severity:  Normal               |             Triage Stage:  Accepted
     Keywords:                       |      Needs documentation:  0
    Has patch:  1                    |  Patch needs improvement:  0
  Needs tests:  0                    |                    UI/UX:  0
Easy pickings:  0                    |
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Changes (by shai):

 * cc: shai (added)


Comment:

 Not sure about this, but from a short look at the code it seems like the
 pk_set is calculated before the update. That makes perfect sense, but
 breaks a little if the update changes pk values. I don't see any sensible
 behavior around this, but it should probably be documented.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/21461#comment:9>
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