#33992: QuerySet.annotate() with subquery and aggregation crashes.
-------------------------------------+-------------------------------------
     Reporter:  Fernando Flores      |                    Owner:  nobody
  Villaça                            |
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  4.1
  (models, ORM)                      |
     Severity:  Release blocker      |               Resolution:
     Keywords:  database, orm,       |             Triage Stage:  Accepted
  aggregation                        |
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------

Comment (by Mariusz Felisiak):

 I was able to reproduce this issue with:
 {{{
 Post.objects.annotate(
     is_following=Exists(
         request_user.following.filter(id=OuterRef("user__id"))
     ),
 ).annotate(likes=Count("liked_by"))
 }}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/33992#comment:2>
Django <https://code.djangoproject.com/>
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