#34945: annotate -> union -> values gives wrong values
-------------------------------------+-------------------------------------
Reporter: Tom Carrick | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 4.2
(models, ORM) |
Severity: Normal | Resolution:
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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Comment (by David Sanders):
Duplicate of #28900? 🤔
I've managed to boil this down the following example:
{{{
class Foo(Model):
name = CharField()
class Bar(Model):
name = CharField()
qs = (
Foo.objects.annotate(alias=F("name"))
.union(Bar.objects.annotate(alias=F("name")))
.values("alias")
)
print(qs)
}}}
gives
{{{
<QuerySet [{'alias': 1}, {'alias': 1}]>
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/34945#comment:1>
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