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features.py
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Author
2021-08-24
Refs #10929 -- Allowed NowUTC SQL customization for third-party backends.
Tim Graham
2021-06-30
Fixed #32786 -- Moved subquery ordering clearing optimization to the _in lookup.
Hannes Ljungberg
2021-01-14
Refs #26167 -- Changed default value of DatabaseFeatures.supports_expression_...
Hannes Ljungberg
2021-01-13
Fixed #26167 -- Added support for functional indexes.
Hannes Ljungberg
2020-12-11
Refs #32178 -- Changed BaseDatabaseFeatures.django_test_expected_failures to ...
Hasan Ramezani
2020-12-10
Fixed #32178 -- Allowed database backends to skip tests and mark expected fai...
Hasan Ramezani
2020-12-02
Fixed #32179 -- Added JSONObject database function.
Artur Beltsov
2020-10-22
Replaced @no_oracle skips with DatabaseFeatures.allows_group_by_lob.
Tim Graham
2020-10-20
Fixed #32120 -- Added DatabaseFeatures.indexes_foreign_keys.
Tim Graham
2020-09-21
Fixed #31777 -- Added support for database collations to Char/TextFields.
Tom Carrick
2020-09-18
Refs #21181 -- Corrected DatabaseFeatures.test_collations for Swedish collation.
Tom Carrick
2020-08-11
Fixed #21181 -- Added Collate database function.
Tom Carrick
2020-07-30
Refs #31829 -- Added DatabaseFeatures.json_key_contains_list_matching_require...
Tim Graham
2020-07-28
Fixed #31836 -- Dropped support for JSONField __contains and __contained_by l...
Mariusz Felisiak
2020-07-20
Fixed #17653 -- Allowed using zero as AutoFields value on MySQL if NO_AUTO_VA...
Mariusz Felisiak
2020-07-02
Fixed #31758 -- Removed unneeded BytesToCharFieldConversionMixin.
Sergey Fedoseev
2020-06-04
Fixed #30913 -- Added support for covering indexes on PostgreSQL 11+.
Hannes Ljungberg
2020-06-04
Refs #31630 -- Added CharField and IntegerField to DatabaseFeatures.introspec...
Tim Graham
2020-06-04
Refs #31630 -- Removed DatabaseFeatures.can_introspect_autofield.
Tim Graham
2020-06-04
Fixed #31630 -- Replaced introspection features with DatabaseFeatures.introsp...
Hasan Ramezani
2020-05-21
Fixed #30375 -- Added FOR NO KEY UPDATE support to QuerySet.select_for_update...
Manuel Weitzman
2020-05-18
Refs #12990 -- Added DatabaseFeatures.has_json_operators.
Tim Graham
2020-05-14
Fixed #31584 -- Fixed crash when chaining values()/values_list() after Exists...
Mariusz Felisiak
2020-05-08
Fixed #12990, Refs #27694 -- Added JSONField model field.
sage
2020-04-30
Fixed #20581 -- Added support for deferrable unique constraints.
Ian Foote
2020-03-18
Fixed #31376 -- Optimized nulls ordering when possible on SQLite and MySQL.
Simon Charette
2020-02-04
Simplified imports from django.db and django.contrib.gis.db.
Nick Pope
2020-01-20
Fixed #31183 -- Added a feature flag for "<db> only supports UNBOUNDED togeth...
Tim Graham
2019-11-04
Refs #13312 -- Simplified handling of nulls ordering on MySQL.
Nick Pope
2019-09-24
Refs #29444 -- Removed redundant DatabaseFeatures.can_return_multiple_columns...
Mariusz Felisiak
2019-09-09
Fixed #28107 -- Added DatabaseFeatures.allows_group_by_selected_pks_on_model(...
Vojtech Bocek
2019-09-09
Refs #29444 -- Allowed returning multiple fields from INSERT statements on Po...
Johannes Hoppe
2019-08-13
Refs #25367 -- Moved Oracle Exists() handling to contextual methods.
Simon Charette
2019-08-02
Fixed #30661 -- Added models.SmallAutoField.
Nick Pope
2019-07-19
Fixed #30593 -- Added support for check constraints on MariaDB 10.2+.
Hasan Ramezani
2019-03-17
Refs #30172 -- Prevented removing a field's check or unique constraint from r...
Paveł Tyślacki
2019-02-09
Refs #26608 -- Added a database feature for fixed frame range distance support.
Simon Charette
2019-01-30
Refs #29444 -- Renamed DatabaseFeatures.can_return_id* to be generic for othe...
Johannes Hoppe
2019-01-30
Fixed #30116 -- Dropped support for Python 3.5.
Tim Graham
2019-01-29
Fixed #30108 -- Allowed adding foreign key constraints in the same statement ...
Dan Tao
2019-01-09
Refs #23748 -- Added AutoField introspection for SQLite.
Nick Pope
2019-01-03
Fixed typo in django/db/backends/base/features.py.
Mariusz Felisiak
2018-12-26
Refs #29547 -- Skipped an unsupported partial index test on older versions of...
Tim Graham
2018-12-24
Fixed #30056 -- Added SQLite support for StdDev and Variance functions.
Nick Pope
2018-12-06
Fixed #29932 -- Fixed combining compound queries with sub-compound queries on...
Mariusz Felisiak
2018-11-26
Refs #29722 -- Added introspection of materialized views for Oracle.
Mariusz Felisiak
2018-11-21
Fixed #29949 -- Refactored db introspection identifier converters.
Mariusz Felisiak
2018-11-09
Fixed #29934 -- Added sqlparse as a require dependency.
Tim Graham
2018-10-29
Fixed #29547 -- Added support for partial indexes.
Mads Jensen
2018-10-25
Made DatabaseFeatures.uses_savepoints default to True.
Tim Graham
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