#16715: Wrong JOIN with nested null-able foreign keys
-------------------------------------+-------------------------------------
     Reporter:  sebastian            |                    Owner:  nobody
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  SVN
  (models, ORM)                      |               Resolution:
     Severity:  Normal               |             Triage Stage:  Accepted
     Keywords:  join, values,        |      Needs documentation:  0
  nested, foreign key, null-able     |  Patch needs improvement:  0
    Has patch:  0                    |                    UI/UX:  0
  Needs tests:  0                    |
Easy pickings:  0                    |
-------------------------------------+-------------------------------------
Changes (by sebastian):

 * needs_better_patch:  1 => 0
 * has_patch:  1 => 0
 * needs_tests:  1 => 0


Comment:

 I attached another, more elaborate test, checking both explicit foreign
 key relations as well as implicit reverse ones (such as used by one-to-one
 relations, e.g. in multi-table inheritance).

-- 
Ticket URL: <https://code.djangoproject.com/ticket/16715#comment:9>
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