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2025-12-02[6.0.x] Fixed CVE-2025-13372 -- Protected FilteredRelation against SQL ↵Jacob Walls
injection in column aliases on PostgreSQL. Follow-up to CVE-2025-57833. Thanks Stackered for the report, and Simon Charette and Mariusz Felisiak for the reviews. Backport of 5b90ca1e7591fa36fccf2d6dad67cf1477e6293e from main.
2025-11-20[6.0.x] Fixed #36748 -- Filtered non-standard placeholders from UNNEST queries.Chris Wesseling
Backport of 5834643f43a767fe19f2c6d10217b204e7584ec8 from main.
2025-10-16[6.0.x] Bumped minimum isort version to 7.0.0.Jacob Walls
Added ignores relating to https://github.com/PyCQA/isort/issues/2352. Backport of d980d68609448a4c85763fa34e471ff80540888b from main.
2025-09-14Refs #27222 -- Refreshed GeneratedFields values on save() initiated update.Simon Charette
This required implementing UPDATE RETURNING machinery that heavily borrows from the INSERT one.
2025-09-05Fixed #36564 -- Changed DEFAULT_AUTO_FIELD from AutoField to BigAutoField.Tim Graham
2025-08-28Refs #27222 -- Implemented ↵Simon Charette
BaseDatabaseOperations.return_insert_columns()/fetch_returned_insert_rows().
2025-08-12Remove unused OneToOneField from DatabaseWrapper.data_types.Tim Graham
OneToOneField uses the type of the related field.
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.
2025-07-10Fixed #36502 -- Restored UNNEST strategy for foreign key bulk inserts on ↵Simon Charette
PostgreSQL. Regression in 764af7a3d6c0b543dcf659a2c327f214da768fe4.
2025-05-20Fixed #34262 -- Added support for AnyValue for SQLite, MySQL, Oracle, and ↵ontowhee
Postgresql 16+. Thanks Simon Charette for the guidance and review. Thanks Tim Schilling for the documentation review. Thanks David Wobrock for investigation and solution proposals.
2025-04-30Refs #36052, #32234 -- Removed create_test_table_with_composite_primary_key ↵Simon Charette
flag in favor of using CompositePrimaryKey. Now that Django properly supports creating models with composite primary keys, the tests should use a `CompositePrimaryKey` field instead of a feature flag to inline backend specific SQL for creating a composite PK. Specifcially, the inspectdb's test_composite_primary_key was adjusted to use schema editor instead of per-backend raw SQL.
2025-04-04Fixed #36289 -- Fixed bulk_create() crash with nullable geometry fields on ↵Simon Charette
PostGIS. Swapped to an allow list instead of a deny list for field types to determine if the UNNEST optimization can be enabled to avoid further surprises with other types that would require further specialization to adapt. Regression in a16eedcf9c69d8a11d94cac1811018c5b996d491. Thanks Joshua Goodwin for the report and Sarah Boyce for the test.
2025-03-31Refs #28909 -- Simplified code using unpacking generalizations.Aarni Koskela
2025-03-05Fixed typo in django/db/backends/postgresql/psycopg_any.py comment.Jacob Walls
2025-03-03Fixed #35444 -- Added generic support for Aggregate.order_by.Chris Muthig
This moves the behaviors of `order_by` used in Postgres aggregates into the `Aggregate` class. This allows for creating aggregate functions that support this behavior across all database engines. This is shown by moving the `StringAgg` class into the shared `aggregates` module and adding support for all databases. The Postgres `StringAgg` class is now a thin wrapper on the new shared `StringAgg` class. Thank you Simon Charette for the review.
2025-02-05Fixed #36165 -- Made PostgreSQL's SchemaEditor._delete_index_sql() respect ↵Natalia
the "sql" argument. This is a follow up of bd366ca2aeffa869b7dbc0b0aa01caea75e6dc31. Thank you Daniel Finch for the report.
2025-01-28Refs #36005 -- Bumped minimum supported versions of 3rd-party packages.Mariusz Felisiak
This bumps minimum supported versions of 3rd-party packages to the first releases to support Python 3.12.
2025-01-20Fixed #36107 -- Adjusted UNNEST bulk_create strategy to opt-out sized arrays.Simon Charette
The array fields opt-out heuristic failed to account for sized arrays. Note that we keep relying on db_type as opposed to performing an ArrayField instance check against the column's field as there could be other implementations of model fields that use Postgres arrays to store the optimization must be disabled for all of them. Refs #35936. Thanks Claude Paroz for the report and test.
2024-12-17Fixed #35969 -- Disallowed specifying a USING clause for altered generated ↵lufafajoshua
field. PostgreSQL versions 16.5 and above no longer permit the use of a USING clause when changing the type of a generated column.
2024-12-11Fixed #35936 -- Used unnest for bulk inserts on Postgres when possible.Simon Charette
This should make bulk_create significantly faster on Postgres when provided only literal values. Thanks James Sewell for writing about this technique, Tom Forbes for validating the performance benefits, David Sanders and Mariusz Felisiak for the review.
2024-12-09Refs #35982 -- Made BaseDatabaseOperations.adapt_decimalfield_value() a no-op.Simon Charette
2024-10-31Fixed #35180 -- Recreated PostgreSQL _like indexes when changing between ↵Ben Cail
TextField and CharField field types.
2024-10-30Fixed #35856 -- Added QuerySet.explain() support for MEMORY/SERIALIZE option ↵Anthony Joseph
on PostgreSQL 17+.
2024-08-28Fixed #35688 -- Restored timezone and role setters to be PostgreSQL ↵Sarah Boyce
DatabaseWrapper methods. Following the addition of PostgreSQL connection pool support in Refs #33497, the methods for configuring the database role and timezone were moved to module-level functions. This change prevented subclasses of DatabaseWrapper from overriding these methods as needed, for example, when creating wrappers for other PostgreSQL-based backends. Thank you Christian Hardenberg for the report and to Florian Apolloner and Natalia Bidart for the review. Regression in fad334e1a9b54ea1acb8cce02a25934c5acfe99f. Co-authored-by: Natalia <124304+nessita@users.noreply.github.com>
2024-08-01Reverted "Fixed #28646 -- Prevented duplicate index when unique is set to ↵Sarah Boyce
True on PostgreSQL." This reverts commit 9cf9c796be8dd53bc3b11355ff39d65c81d7be6d due to a crash on Oracle as it didn't allow multiple indexes on the same field.
2024-07-30Fixed #28646 -- Prevented duplicate index when unique is set to True on ↵Ben Cail
PostgreSQL.
2024-05-27Fixed #35479 -- Dropped support for PostgreSQL 13 and PostGIS 3.0.Mariusz Felisiak
2024-03-25Removed unused _alter_column_collation_sql() in PostgreSQL DatabaseSchemaEditor.Mariusz Felisiak
Unused since ae0899be0d787fbfc5f5ab2b18c5a8219d822d2b.
2024-03-14Refs #35295 -- Added BaseDatabaseOperations.bulk_insert_sql().Mariusz Felisiak
Co-authored-by: Nick Pope <nick@nickpope.me.uk>
2024-03-06Fixed #35021 -- Fixed capturing queries when using client-side parameters ↵Michail Chatzis
binding with psycopg 3+.
2024-03-01Refs #33497 -- Added connection pool support for PostgreSQL.Sarah Boyce
Co-authored-by: Florian Apolloner <florian@apolloner.eu> Co-authored-by: Ran Benita <ran@unusedvar.com>
2024-02-26Refs #34200 -- Removed unnecessary check in DatabaseWrapper.ensure_role() on ↵Florian Apolloner
PostgreSQL. ensure_role() is only called in init_connection_state() where a new connection is established.
2024-02-23Simplified using DATABASES["OPTIONS"].Florian Apolloner
DATABASES["OPTIONS"] are always configured.
2024-02-16Refs #34060 -- Fixed crash when filtering against literal JSON with psycopg2.Simon Charette
2024-02-15Fixed #34060 -- Fixed migrations crash when adding check constraints with ↵Albert Defler
JSONField __exact lookup on Oracle.
2024-01-26Applied Black's 2024 stable style.Mariusz Felisiak
https://github.com/psf/black/releases/tag/24.1.0
2024-01-12Fixed #35028 -- Disabled server-side bindings for named cursors on psycopg >= 3.Simon Charette
While we provide a `cursor_factory` based on the value of the `server_side_bindings` option to `psycopg.Connection` it is ignored by the `cursor` method when `name` is specified for `QuerySet.iterator()` usage and it causes the usage of `psycopg.ServerCursor` which performs server-side bindings. Since the ORM doesn't generates SQL that is suitable for server-side bindings when dealing with parametrized expressions a specialized cursor must be used to allow server-side cursors to be used with client-side bindings. Thanks Richard Ebeling for the report. Thanks Florian Apolloner and Daniele Varrazzo for reviews.
2023-11-02Refs #31300 -- Allowed testing GeneratedField without collation.Tim Graham
CockroachDB and Snowflake don't support it.
2023-10-30Refs #29850 -- Added exclusion support to window frames.Sarah Boyce
2023-10-30Fixed #34932 -- Restored varchar_pattern_ops/text_pattern_ops index creation ↵Tom Carrick
when deterministic collaction is set. Regression in f3f9d03edf17ccfa17263c7efa0b1350d1ac9278 (4.2) and 8ed25d65ea7546fafd808086fa07e7e5bb5428fc (5.0).
2023-09-26Fixed #34873 -- Added QuerySet.explain() support for GENERIC_PLAN option on ↵Mariusz Felisiak
PostgreSQL 16+.
2023-09-22Fixed #34840 -- Avoided casting string base fields on PostgreSQL.Mariusz Felisiak
Thanks Alex Vandiver for the report. Regression in 09ffc5c1212d4ced58b708cbbf3dfbfb77b782ca.
2023-09-20Fixed #34851 -- Dropped support for PostgreSQL 12 and PostGIS 2.5.Mariusz Felisiak
2023-09-18Refs #33872 -- Removed ↵Mariusz Felisiak
django.contrib.postgres.fields.CIText/CICharField/CIEmailField/CITextField. Per deprecation timeline.
2023-09-07Fixed #31300 -- Added GeneratedField model field.Jeremy Nauta
Thanks Adam Johnson and Paolo Melchiorre for reviews. Co-Authored-By: Lily Foote <code@lilyf.org> Co-Authored-By: Mariusz Felisiak <felisiak.mariusz@gmail.com>
2023-07-19Fixed #34701 -- Added support for NULLS [NOT] DISTINCT on PostgreSQL 15+.Simon Charette
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.
2023-05-10Fixed #34553 -- Fixed improper % escaping of literal in constraints.Simon Charette
Proper escaping of % in string literals used when defining constaints was attempted (a8b3f96f6) by overriding quote_value of Postgres and Oracle schema editor. The same approach was used when adding support for constraints to the MySQL/MariaDB backend (1fc2c70). Later on it was discovered that this approach was not appropriate and that a preferable one was to pass params=None when executing the constraint creation DDL to avoid any form of interpolation in the first place (42e8cf47). When the second patch was applied the corrective of the first were not removed which caused % literals to be unnecessary doubled. This flew under the radar because the existings test were crafted in a way that consecutive %% didn't catch regressions. This commit introduces an extra test for __exact lookups which highlights more adequately % doubling problems but also adjust a previous __endswith test to cover % doubling problems (%\% -> %%\%%). Thanks Thomas Kolar for the report. Refs #32369, #30408, #30593.
2023-05-08Fixed #34544 -- Avoided DBMS_LOB.SUBSTR() wrapping with IS NULL condition on ↵Mariusz Felisiak
Oracle. Regression in 09ffc5c1212d4ced58b708cbbf3dfbfb77b782ca. Thanks Michael Smith for the report. This also reverts commit 1e4da439556cdd69eb9f91e07f99cf77997e70d2.
2023-04-21Fixed #34505 -- Skipped varchar_pattern_ops/text_pattern_ops index creation ↵Petter Friberg
when db_collation is set in related field.
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