#23722 closed Bug (invalid)
Empty QuerySet return error after performing qs.none().count()
| Reported by: | Vasyl Stanislavchuk | Owned by: | nobody |
|---|---|---|---|
| Component: | Database layer (models, ORM) | Version: | 1.7 |
| Severity: | Normal | Keywords: | queryset, sql |
| Cc: | Triage Stage: | Unreviewed | |
| Has patch: | no | Needs documentation: | no |
| Needs tests: | no | Patch needs improvement: | no |
| Easy pickings: | no | UI/UX: | no |
Description
obj.add_count_column() number = obj.get_aggregation(using=using)[None] # Apply offset and limit constraints manually, since using LIMIT/OFFSET KeyError: None
Change History (4)
comment:1 by , 10 years ago
| Resolution: | → needsinfo |
|---|---|
| Status: | new → closed |
comment:2 by , 10 years ago
Sure,
All you need to do is next:
User.objects.none().count()
where User could be any other model from the app.
comment:3 by , 10 years ago
Sorry, I still don't know how to reproduce. Could you give the full sequence of steps to reproduce this error.
comment:4 by , 10 years ago
| Resolution: | needsinfo → invalid |
|---|
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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?