#28281: Queryset.count() with a union takes the first id of the results objects
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               Reporter:  Amir       |          Owner:  nobody
  Tugendhaft                         |
                   Type:  Bug        |         Status:  new
              Component:  Database   |        Version:  1.11
  layer (models, ORM)                |       Keywords:  Queryset, count,
               Severity:  Normal     |  union
           Triage Stage:             |      Has patch:  0
  Unreviewed                         |
    Needs documentation:  0          |    Needs tests:  0
Patch needs improvement:  0          |  Easy pickings:  0
                  UI/UX:  0          |
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 I have a query I built with 2 querysets with a union between them, and I
 get a wrong count for them.
 For each one of them the queryset.count() is correct, but after the union
 the queryset.count() is the first id of the objects results.
 I used queeryset.query to see the raw query and its fine.

 I'm attaching 2 photos so you could see the problem:

 The first - showing 33 results is when I used '|' with the 2 querysets.
 This workaround is not good for me, since the UNION's advantage is that I
 get the first query's results on top of the rest

 The second - showing 25103 results is when I used the .union()

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Ticket URL: <https://code.djangoproject.com/ticket/28281>
Django <https://code.djangoproject.com/>
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