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2025-02-15[5.2.x] Fixed #36173 -- Stabilized identity of Concat with an explicit ↵Simon Charette
output_field. When Expression.__init__() overrides make use of *args, **kwargs captures their argument values are respectively bound as a tuple and dict instances. These composite values might themselves contain values that require special identity treatments such as Concat(output_field) as it's a Field instance. Refs #30628 which introduced bound Field differentiation but lacked argument captures handling. Thanks erchenstein for the report. Backport of df2c4952df6d93c575fb8a3c853dc9d4c2449f36 from main
2025-02-06[5.2.x] Fixed #36025 -- Fixed re-aliasing of iterable (in/range) lookups rhs.Simon Charette
In order for Expression.relabeled_clone to work appropriately its get_source_expressions method must return all resolvable which wasn't the case for Lookup when its right-hand-side is "direct" (not a compilable). While refs #22288 added support for non-literals iterable right-hand-side lookups it predated the subclassing of Lookup(Expression) refs #27021 which could have been an opportunity to ensure right-hand-sides are always resolvable (ValueList and ExpressionList). Addressing all edge case with non-resolvable right-hand-sides would require a significant refactor and deprecation of some parts of the Lookup interface so this patch only focuses on FieldGetDbPrepValueIterableMixin (In and Range lookups) by making sure that a right-hand-side containing resolvables are dealt with appropriately during the resolving phase. Thanks Aashay Amballi for the report. Backport of 089deb82b9ac2d002af36fd36f288368cdac4b53 from main.
2025-01-30[5.2.x] Fixed #35235 -- Removed caching of BaseExpression._output_field_or_none.sharonwoo
Backport of cbb0812683cf3236e4a4003bf7f74b119d3cde0c from main.
2024-09-17Refs #373, Refs #24121 -- Added ColPairs.__repr__().Bendeguz Csirmaz
2024-08-13Fixed #35665 -- Fixed a crash when passing an empty order_by to Window.Simon Charette
This also caused un-ordered sliced prefetches to crash as they rely on Window. Regression in e16d0c176e9b89628cdec5e58c418378c4a2436a that made OrderByList piggy-back ExpressionList without porting the empty handling that the latter provided. Supporting explicit empty ordering on Window functions and slicing is arguably a foot-gun design due to how backends will return undeterministic results but this is a problem that requires a larger discussion. Refs #35064. Thanks Andrew Backer for the report and Mariusz for the review.
2024-08-06Fixed CVE-2024-42005 -- Mitigated QuerySet.values() SQL injection attacks ↵Simon Charette
against JSON fields. Thanks Eyal (eyalgabay) for the report.
2024-07-23Refs #29049 -- Fixed isolation of ↵Mariusz Felisiak
BasicExpressionsTests._test_slicing_of_f_expressions() subtests. Thanks Tim Graham for the report.
2024-07-18Fixed #35603 -- Prevented F.__contains__() from hanging.Simon Charette
Regression in 94b6f101f7dc363a8e71593570b17527dbb9f77f.
2024-06-21Fixed Number.__str__() crash when float/decimal_value is None in expressions ↵Tim Graham
tests models.
2024-05-14Fixed #35275 -- Fixed Meta.constraints validation crash on UniqueConstraint ↵Mariusz Felisiak
with OpClass(). This also introduces Expression.constraint_validation_compatible that allows specifying that expression should be ignored during a constraint validation.
2024-03-21Fixed #35257 -- Corrected resolving output_field for ↵sharonwoo
IntegerField/DecimalField with NULL.
2024-01-26Applied Black's 2024 stable style.Mariusz Felisiak
https://github.com/psf/black/releases/tag/24.1.0
2024-01-16Fixed #35111 -- Fixed compilation of DateField __in/__range rhs on SQLite ↵Simon Charette
and MySQL. Also removed tests that ensured that adapt_(date)timefield backend operations where able to deal with expressions when it's not the case for any other adapt methods.
2024-01-16Refs #22288 -- Corrected __range lookup test names.Simon Charette
2023-12-30Fixed #29049 -- Added slicing notation to F expressions.Nick Pope
Co-authored-by: Priyansh Saxena <askpriyansh@gmail.com> Co-authored-by: Niclas Olofsson <n@niclasolofsson.se> Co-authored-by: David Smith <smithdc@gmail.com> Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com> Co-authored-by: Abhinav Yadav <abhinav.sny.2002@gmail.com>
2023-11-14Reverted "Refs #30446, Refs #34944 -- Fixed crash when adding GeneratedField ↵Mariusz Felisiak
with string Value()." This reverts commit 8b1acc0440418ac8f45ba48e2dfcf5126c83341b.
2023-11-08Refs #30446, Refs #34944 -- Fixed crash when adding GeneratedField with ↵Simon Charette
string Value(). This should allow smarter output_field inferring in functions dealing with text expressions. Regression in f333e3513e8bdf5ffeb6eeb63021c230082e6f95.
2023-10-04Refs #33482 -- Fixed QuerySet selecting and filtering againts Exists() with ↵Simon Charette
empty queryset. Thanks Tobias Bengfort for the report.
2023-09-22Fixed #34858 -- Corrected resolving output_field for PositiveIntegerField.toan
Regression in 40b8a6174f001a310aa33f7880db0efeeb04d4c4.
2023-09-01Fixed #34803 -- Fixed queryset crash when filtering againts deeply nested ↵willzhao
OuterRef annotations. Thanks Pierre-Nicolas Rigal for the report. Regression in c67ea79aa981ae82595d89f8018a41fcd842e7c9.
2023-08-10Fixed #33817 -- Added support for python-oracledb and deprecated cx_Oracle.Jingbei Li
2023-01-17Refs #33543 -- Made Expression.asc()/desc() and OrderBy raise ValueError ↵Mariusz Felisiak
when nulls_first/nulls_last=False is passed. Per deprecation timeline.
2023-01-16Refs #30129 -- Added test for create() with F() expression in Subquery.sarahboyce
Fixed in 35431298226165986ad07e91f9d3aca721ff38ec.
2022-10-31Fixed #16211 -- Added logical NOT support to F expressions.David Wobrock
2022-10-08Refs #33990 -- Renamed TransactionTestCase.assertQuerysetEqual() to ↵Gregor Gärtner
assertQuerySetEqual(). Co-Authored-By: Michael Howitz <mh@gocept.com>
2022-10-06Refs #30158 -- Removed alias argument for Expression.get_group_by_cols().Simon Charette
Recent refactors allowed GROUP BY aliasing allowed for aliasing to be entirely handled by the sql.Query.set_group_by and compiler layers.
2022-09-27Fixed #33464 -- Resolved output_field for combined numeric expressions with ↵David Wobrock
MOD operator.
2022-05-12Fixed #33543 -- Deprecated passing nulls_first/nulls_last=False to OrderBy ↵Mariusz Felisiak
and Expression.asc()/desc(). Thanks Allen Jonathan David for the initial patch.
2022-04-14Relaxed some query ordering assertions in various tests.Mariusz Felisiak
It accounts for differences seen on MySQL with MyISAM storage engine.
2022-04-11Fixed CVE-2022-28346 -- Protected QuerySet.annotate(), aggregate(), and ↵Mariusz Felisiak
extra() against SQL injection in column aliases. Thanks Splunk team: Preston Elder, Jacob Davis, Jacob Moore, Matt Hanson, David Briggs, and a security researcher: Danylo Dmytriiev (DDV_UA) for the report.
2022-03-31Fixed #33397 -- Corrected resolving output_field for ↵Luke Plant
DateField/DateTimeField/TimeField/DurationFields. This includes refactoring of CombinedExpression._resolve_output_field() so it no longer uses the behavior inherited from Expression of guessing same output type if argument types match, and instead we explicitly define the output type of all supported operations. This also makes nonsensical operations involving dates (e.g. date + date) raise a FieldError, and adds support for automatically inferring output_field for cases such as: * date - date * date + duration * date - duration * time + duration * time - time
2022-03-30Refs #33397 -- Added extra tests for resolving an output_field of ↵Luke Plant
CombinedExpression.
2022-03-04Fixed #29865 -- Added logical XOR support for Q() and querysets.Ryan Heard
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
2022-02-07Refs #33482 -- Fixed QuerySet selecting and filtering againts negated ↵Mariusz Felisiak
Exists() with empty queryset. Regression in b7d1da5a62fe4141beff2bfea565f7ef0038c94c.
2022-02-03Refs #33476 -- Refactored problematic code before reformatting by Black.Mariusz Felisiak
In these cases Black produces unexpected results, e.g. def make_random_password( self, length=10, allowed_chars='abcdefghjkmnpqrstuvwxyz' 'ABCDEFGHJKLMNPQRSTUVWXYZ' '23456789', ): or cursor.execute(""" SELECT ... """, [table name], )
2022-02-02Fixed #33482 -- Fixed QuerySet filtering againts negated Exists() with empty ↵Simon Charette
queryset. Thanks Tobias Bengfort for the report.
2022-01-17Fixed #33435 -- Fixed invalid SQL generatered by Subquery.as_sql().My-Name-Is-Nabil
2022-01-07Fixed #33216 -- Simpilified deconstructed paths for some expressions.Allen Jonathan David
2022-01-04Fixed #33406 -- Avoided creation of MaxLengthValidator(None) when resolving ↵Keryn Knight
Value.output_field for strings. This brings the behaviour in line with Field subclasses which append to the validators within __init__(), like BinaryField, and prevents the creation of a validator which incorrectly throws a TypeError, if it were used.
2022-01-04Refs #33406 -- Added test for not creating broken validators when resolving ↵Keryn Knight
Value.output_field.
2021-12-22Refs #33355 -- Added missing tests for database functions and expression on ↵Adam Johnson
null values.
2021-11-08Fixed #33257 -- Fixed Case() and ExpressionWrapper() with decimal values on ↵Matthijs Kooijman
SQLite.
2021-11-02Fixed #33224 -- Removed ↵Hasan Ramezani
DatabaseFeatures.supports_mixed_date_datetime_comparisons.
2021-10-26Removed duplicated lines in ↵Tim Graham
test_in_lookup_allows_F_expressions_and_expressions_for_datetimes().
2021-10-21Made F deconstruction omit 'expressions' in the path.Adam Johnson
2021-06-01Fixed #32793 -- Fixed loss of precision for temporal operations with ↵Mariusz Felisiak
DecimalFields on MySQL. Regression in 1e38f1191de21b6e96736f58df57dfb851a28c1f. Thanks Mohsen Tamiz for the report.
2021-05-24Refs #24121 -- Improved Value.__repr__().Mariusz Felisiak
2021-05-24Fixed typo in tests/expressions/tests.py.Mariusz Felisiak
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