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2026-09-03Refs #37293 -- Aliased RemovedInDjango70Warning to RemovedInDjango2028Warning.Carlton Gibson
Updated references to RemovedInDjango70Warning to use the new warning, and adjusted references to "Django 7.0" to "Django 2028". RemovedInDjango70Warning remains importable as an alias of the same class, so existing warning filters and except clauses in third-party code keep working across the rename.
2026-09-01Fixed #37309 -- Used _is_pk_set() in Model.__eq__.Denny Biasiolli
Composite and db_default primary keys are not None when unset, so the old pk is None check treated distinct unsaved instances as equal.
2026-08-18Fixed #37259 -- Restored support for old-signature Model.from_db() overrides.Adam Johnson
The fetch modes feature made all query iteration paths (ModelIterable, RawModelIterable, and RelatedPopulator) call Model.from_db() with a fetch_mode keyword argument. This crashed with a TypeError for models overriding from_db() with the previously documented signature from_db(cls, db, field_names, values). Query iteration now detects, once per query rather than per row, whether the model's from_db() accepts the fetch_mode keyword argument (or **kwargs) and calls old-style overrides without it, emitting a RemovedInDjango70Warning asking authors to add the argument. Regression in e097e8a12f21a4e92594830f1ad1942b31916d0f.
2026-08-03Refs #28586 -- Renamed RAISE fetch mode to FETCH_RAISE.Jacob Walls
This aims for consistency in the django.db.models namespace. Thanks Natalia Bidart and Simon Charette for the idea.
2026-07-29Refs #28586 -- Added coverage for from_queryset's fetch mode in ↵Jacob Walls
refresh_from_db().
2026-06-05Fixed #37139 -- Fixed inlines crash on parent models with db_default on ↵Mariusz Felisiak
primary key.
2025-10-16Refs #28586 - Copied fetch mode in QuerySet.create().Adam Johnson
This change allows the pattern `MyModel.objects.fetch_mode(...).create(...)` to set the fetch mode for a new object.
2025-10-16Fixed #28586 -- Added model field fetch modes.Adam Johnson
May your database queries be much reduced with minimal effort. co-authored-by: Andreas Pelme <andreas@pelme.se> co-authored-by: Simon Charette <charette.s@gmail.com> co-authored-by: Jacob Walls <jacobtylerwalls@gmail.com>
2025-09-17Refs #27222 -- Restored Model.save()'s refreshing of db_returning fields ↵Simon Charette
even if a value is set. The logic could likely be adjusted to assign the pre_save value in most cases to avoid the database transit but it could break in subtle ways so it's not worth the complexity it would require. Regression in 94680437a45a71c70ca8bd2e68b72aa1e2eff337. Co-authored-by: Tim Graham <timograham@gmail.com>
2025-09-14Fixed #27222 -- Refreshed model field values assigned expressions on save().Simon Charette
Removed the can_return_columns_from_insert skip gates on existing field_defaults tests to confirm the expected number of queries are performed and that returning field overrides are respected.
2025-07-23Refs #36500 -- Rewrapped long docstrings and block comments via a script.django-bot
Rewrapped long docstrings and block comments to 79 characters + newline using script from https://github.com/medmunds/autofix-w505.
2025-02-25Removed outdated docstring in tests/basic/models.py.Clifford Gama
2025-01-15Refs #35060 -- Removed passing positional arguments to Model.save()/asave() ↵Sarah Boyce
per deprecation timeline.
2025-01-10Refs #36064 -- Added test that falsey primary key default/db_default value ↵Bendeguz Csirmaz
skips an update query on save. This adds test coverage for logic change in 9fa4d07ce0729850661a31a6b37c6b48f13d2266.
2024-09-09Refs #373 -- Added Model._is_pk_set() abstraction to check if a Model's PK ↵Csirmaz Bendegúz
is set.
2024-08-28Refs #35060 -- Adjusted deprecation warning stacklevel in Model.save()/asave().Simon Charette
2024-06-26Fixed 35561 -- Made *args and **kwargs parsing more strict in ↵nessita
Model.save()/asave().
2024-06-25Fixed #35554, Refs #35060 -- Corrected deprecated *args parsing in ↵Adam Johnson
Model.save()/asave(). The transitional logic added to deprecate the usage of *args for Model.save()/asave() introduced two issues that this branch fixes: * Passing extra positional arguments no longer raised TypeError. * Passing a positional but empty update_fields would save all fields. Co-authored-by: Natalia <124304+nessita@users.noreply.github.com>
2024-05-07Fixed #35425 -- Avoided INSERT with force_update and explicit pk.Jacob Walls
Affected models where the primary key field is defined with a default or db_default, such as UUIDField.
2024-03-08Refs #35044 -- Added Model.refresh_from_db(fields=...) test for clearing ↵Giannis Terzopoulos
reverse relations.
2024-01-26Applied Black's 2024 stable style.Mariusz Felisiak
https://github.com/psf/black/releases/tag/24.1.0
2024-01-15Fixed #28344 -- Allowed customizing queryset in ↵Aivars Kalvans
Model.refresh_from_db()/arefresh_from_db(). The from_queryset parameter can be used to: - use a custom Manager - lock the row until the end of transaction - select additional related objects
2024-01-02Fixed #35060 -- Deprecated passing positional arguments to Model.save()/asave().Salvo Polizzi
2023-11-25Refs #34925 -- Avoided altering passed by reference refresh_from_db(fields).Simon Charette
Follow up to b0ec87b8578147be4357c90eabcd2b916c780810.
2023-11-24Fixed #34925 -- Prevented Model.refresh_from_db() from mutating list of fields.trontelj
2023-05-12Fixed #470 -- Added support for database defaults on fields.Ian Foote
Special thanks to Hannes Ljungberg for finding multiple implementation gaps. Thanks also to Simon Charette, Adam Johnson, and Mariusz Felisiak for reviews.
2023-02-01Refs #33476 -- Applied Black's 2023 stable style.David Smith
Black 23.1.0 is released which, as the first release of the year, introduces the 2023 stable style. This incorporates most of last year's preview style. https://github.com/psf/black/releases/tag/23.1.0
2022-10-08Refs #33990 -- Renamed TransactionTestCase.assertQuerysetEqual() to ↵Gregor Gärtner
assertQuerySetEqual(). Co-Authored-By: Michael Howitz <mh@gocept.com>
2022-10-03Fixed #23353 -- Used "raise from" when raising TransactionManagementError.David Wobrock
This change sets the __cause__ attribute to raised exceptions.
2022-06-01Fixed #33733 -- Preserved wrapper assignment for manager methods.kshivakumar
2022-06-01Refs #33733 -- Added tests for attributes of manager methods.Mariusz Felisiak
2022-04-26Fixed #33646 -- Added async-compatible interface to QuerySet.Andrew Godwin
Thanks Simon Charette for reviews. Co-authored-by: Carlton Gibson <carlton.gibson@noumenal.es> Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
2022-02-22Removed redundant QuerySet.all() calls in docs and tests.Nick Pope
Most QuerySet methods are mapped onto the Manager and, in general, it isn't necessary to call .all() on the manager.
2022-02-07Refs #33476 -- Refactored code to strictly match 88 characters line length.Mariusz Felisiak
2022-02-07Refs #33476 -- Reformatted code with Black.django-bot
2022-01-13Improved Model.__init__() properties loop.Adam Johnson
This improves readability, accumulates unrecognized arguments raise an exception with all of them, and avoids refetching the values.
2021-03-06Fixed #24141 -- Added QuerySet.contains().Johan Schiff
2021-03-01Fixed #22640 -- Raised TypeError when instantiating model with keyword and ↵Jacob Walls
positional args for the same field.
2020-11-06Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly.Hasan Ramezani
This also replaces assertQuerysetEqual() to assertSequenceEqual()/assertCountEqual() where appropriate. Co-authored-by: Peter Inglesby <peter.inglesby@gmail.com> Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
2020-07-31Fixed #27719 -- Added QuerySet.alias() to allow creating reusable aliases.Alexandr Tatarinov
QuerySet.alias() allows creating reusable aliases for expressions that don't need to be selected but are used for filtering, ordering, or as a part of complex expressions. Thanks Simon Charette for reviews.
2020-03-05Fixed #29129 -- Skipped UPDATE when adding a model instance with inherited ↵Abhijeet Viswa
primary key that has a default.
2020-02-04Simplified imports from django.db and django.contrib.gis.db.Nick Pope
2019-10-01Fixed #30651 -- Made __eq__() methods return NotImplemented for not ↵ElizabethU
implemented comparisons. Changed __eq__ to return NotImplemented instead of False if compared to an object of the same type, as is recommended by the Python data model reference. Now these models can be compared to ANY (or other objects with __eq__ overwritten) without returning False automatically.
2019-08-19Fixed #29260 -- Skipped an UPDATE when adding a model instance with primary ↵Hasan Ramezani
key that has a default.
2019-05-12Fixed #6785 -- Made QuerySet.get() fetch a limited number of rows.Amir Hadi
Co-authored-by: Tim Graham <timograham@gmail.com> Co-authored-by: Patryk Zawadzki <patrys@room-303.com> Co-Authored-By: Mariusz Felisiak <felisiak.mariusz@gmail.com>
2019-04-24Refs #30254 -- Added tests for Model.__hash__() inheritance.Carlton Gibson
2018-11-27Switched setUp() to setUpTestData() where possible in Django's tests.Simon Charette
2018-11-15Added a test for a lookup in Model.refresh_from_db(fields=[...]).Hasan Ramezani
2018-11-06Used QuerySet.bulk_create() in a couple tests.oliver
2018-09-18Fixed #23646 -- Added QuerySet.bulk_update() to efficiently update many models.Tom Forbes
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