#20091: outer join regression over nullable foreign keys
-------------------------------------+-------------------------------------
     Reporter:  ikelly               |                    Owner:  nobody
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  1.5
  (models, ORM)                      |               Resolution:
     Severity:  Normal               |             Triage Stage:
     Keywords:                       |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------

Comment (by akaariai):

 This seems to be regression from 1.1 to 1.2, in 1.1 add_filter() contains
 a value = "" and connection interprets emptry strings as nulls check, in
 1.2 that is gone.

 As such I don't see this as a regression and thus this isn't prime
 candidate for backpatch. Of course, the patch is going to be pretty
 simple, and if a core committer is willing to backpatch this to 1.5 I am
 not going to complain...

 I will try to commit a patch to master soon, it will not apply directly to
 1.5 due to changes between master and 1.5.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/20091#comment:3>
Django <https://code.djangoproject.com/>
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