[Django] #23722: Empty QuerySet return error after performing qs.none().count()
Django
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Reporter: vasyabigi | Owner: nobody
Type: Bug | Status: new
Component: Database layer (models, ORM) | Version: 1.7
Severity: Normal | Keywords: queryset, sql
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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{{{
obj.add_count_column()
number = obj.get_aggregation(using=using)[None]
# Apply offset and limit constraints manually, since using LIMIT/OFFSET
KeyError: None
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/23722>
Django <https://code.djangoproject.com/>
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Django
Reporter: vasyabigi | Owner: nobody
Type: Bug | Status: closed
Component: Database layer | Version: 1.7
(models, ORM) | Resolution: needsinfo
Severity: Normal | Triage Stage:
Keywords: queryset, sql | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
Changes (by akaariai):
* status: new => closed
* needs_docs: => 0
* resolution: => needsinfo
* needs_tests: => 0
* needs_better_patch: => 0
Comment:
The description doesn't contain enough information of how to reproduce the
error you are seeing. Could you elaborate on how to produce the error by
using public APIs?
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Ticket URL: <https://code.djangoproject.com/ticket/23722#comment:1>
Django
Reporter: vasyabigi | Owner: nobody
Type: Bug | Status: closed
Component: Database layer | Version: 1.7
(models, ORM) | Resolution: needsinfo
Severity: Normal | Triage Stage:
Keywords: queryset, sql | Unreviewed
Has patch: 0 | Needs documentation: 0
Easy pickings: 0 | UI/UX: 0
Comment (by vasyabigi):
Sure,
All you need to do is next:
{{{
User.objects.none().count()
}}}
where `User` could be any other model from the app.
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Ticket URL: <https://code.djangoproject.com/ticket/23722#comment:2>
Django
Reporter: vasyabigi | Owner: nobody
Type: Bug | Status: closed
Component: Database layer | Version: 1.7
(models, ORM) | Resolution: needsinfo
Severity: Normal | Triage Stage:
Keywords: queryset, sql | Unreviewed
Has patch: 0 | Needs documentation: 0
Easy pickings: 0 | UI/UX: 0
Comment (by akaariai):
Sorry, I still don't know how to reproduce. Could you give the full
sequence of steps to reproduce this error.
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Ticket URL: <https://code.djangoproject.com/ticket/23722#comment:3>
Django
Reporter: vasyabigi | Owner: nobody
Type: Bug | Status: closed
Component: Database layer | Version: 1.7
Severity: Normal | Triage Stage:
Keywords: queryset, sql | Unreviewed
Has patch: 0 | Needs documentation: 0
Easy pickings: 0 | UI/UX: 0
Changes (by vasyabigi):
* resolution: needsinfo => invalid
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Ticket URL: <https://code.djangoproject.com/ticket/23722#comment:4>