#35442: QuerySet.only() causes n+1 queries with reverse foreign key relation
when
related id is not included.
-------------------------------------+-------------------------------------
Reporter: REGNIER Guillaume | Owner: Rish
Type: Bug | Status: assigned
Component: Database layer | Version: 4.2
(models, ORM) |
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by Simon Charette):
* summary: N+1 queries from RelatedManager + only("pk") =>
QuerySet.only() causes n+1 queries with reverse foreign key relation
when related id is not included.
Comment:
#36764 was a duplicate.
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Ticket URL: <https://code.djangoproject.com/ticket/35442#comment:15>
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