#25811: Error querying models in different databases in one queryset
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Reporter: ebar0n | Owner: nobody
Type: | Status: new
Cleanup/optimization |
Component: Database layer | Version: master
(models, ORM) |
Severity: Normal | Resolution:
Keywords: database | Triage Stage: Accepted
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 ebar0n):
It is effectively efficiently perform the subquery, but I think Django
must be able to identify the model referenced in the subquery belongs to a
different base data to the initial consultation; Only then the subquery
should be evaluated before generating the entire query, and generate the
subquery and avoid error.
Rest when they belong to the same database operation should be such as
this, because it is more optimal.
That would be the need to use the same functional code with multiple
database support.
Then you advise me? I'm anxious to try to fix it.
Excuse my bad English is not my native language.
--
Ticket URL: <https://code.djangoproject.com/ticket/25811#comment:9>
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