#33382: Different count and len result for a distinct QuerySet
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Reporter: crazy | Owner: nobody
Type: Uncategorized | Status: closed
Component: Database layer | Version: 3.2
(models, ORM) |
Severity: Normal | Resolution: duplicate
Keywords: | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Changes (by Mariusz Felisiak):
* status: new => closed
* resolution: => duplicate
* component: Uncategorized => Database layer (models, ORM)
Comment:
Duplicate of #30655. Please see my
[https://code.djangoproject.com/ticket/30655#comment:2 comment]:
''"`count()` calls `SELECT COUNT(*)` (as described in
[https://docs.djangoproject.com/en/stable/ref/models/querysets/#count
docs]) **without taking ordering into account**,..."''
see also a
[https://docs.djangoproject.com/en/stable/ref/models/querysets/#distinct
note] about using `distinct()` on an ordered queryset.
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Ticket URL: <https://code.djangoproject.com/ticket/33382#comment:1>
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