django.git/tests/defer/tests.py, branch fix-31295

Fixed #37036 -- Added missing flat=True arg in DeferredAttribute.fetch_many().

2026-04-18T13:39:50Z

Fixed #35442 -- Prevented N+1 queries in RelatedManager with only().

2026-01-13T18:18:14Z

Co-authored-by: Simon Charette

Fixed #28586 -- Added model field fetch modes.

2025-10-16T18:52:22Z

May your database queries be much reduced with minimal effort. co-authored-by: Andreas Pelme co-authored-by: Simon Charette co-authored-by: Jacob Walls

Refs #36500 -- Rewrapped long docstrings and block comments via a script.

2025-07-23T23:17:55Z

Rewrapped long docstrings and block comments to 79 characters + newline using script from https://github.com/medmunds/autofix-w505.

Fixed #35950 -- Restored refreshing of relations when fields deferred.

2024-12-02T15:01:37Z

Thank you to Simon Charette and Sarah Boyce for the review. Regression in 73df8b54a2fab53bec4c7573cda5ad8c869c2fd8.

Fixed #35044 -- Avoided clearing reverse relations and private fields when accessing deferred fields.

2024-03-08T10:09:54Z

Regression in a7b5ad8b19a08d7d57302ece74f6e26d2887fd9f for reverse relations and possibly in 123b1d3fcf79f091573c40be6da7113a6ef35b62 for private fields.

Fixed #34458 -- Fixed QuerySet.defer() crash on attribute names.

2023-04-05T03:38:10Z

Thanks Andrew Cordery for the report. Regression in b3db6c8dcb5145f7d45eff517bcd96460475c879.

Refs #33990 -- Renamed TransactionTestCase.assertQuerysetEqual() to assertQuerySetEqual().

2022-10-08T06:07:38Z

Co-Authored-By: Michael Howitz

Fixed #21204 -- Tracked field deferrals by field instead of models.

2022-08-30T06:43:53Z

This ensures field deferral works properly when a model is involved more than once in the same query with a distinct deferral mask.

Refs #21204 -- Added more QuerySet.defer()/only() tests for invalid fields.

2022-08-30T05:09:15Z