#36764: QuerySet.only() causes n+1 queries with reverse foreign key relation
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Reporter: Bernhard Vallant | Owner: (none)
Type: Bug | Status: new
Component: Database layer | Version: dev
(models, ORM) |
Severity: Normal | Resolution:
Keywords: queryset, only, | Triage Stage:
defered | 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 Bernhard Vallant):
I could also tracked it down to the id field being in
`_known_related_objects`. For me the question is if the proper solution in
this case would be to automatically append the field to the "only" fields
(if it is necessary for the relations to properly work) or if it can be
omitted in a way from `_known_related_objects`.
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Ticket URL: <https://code.djangoproject.com/ticket/36764#comment:4>
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