#36116: prefetch_related() selects too many objects from a related table with a
composite primary key and hidden related name
-------------------------------------+-------------------------------------
Reporter: Jacob Walls | Owner: Simon
Type: | Charette
Cleanup/optimization | Status: assigned
Component: Database layer | Version: 5.2
(models, ORM) |
Severity: Release blocker | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 1
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Simon Charette):
Clearing ''patch needs improvement'' flag as the `prefectch_related` +
SQLite issue for large number of items is already tracked in #27833.
It just happens that number of parents records is a function of the number
of fields `1000 / len(fields)`.
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Ticket URL: <https://code.djangoproject.com/ticket/36116#comment:5>
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