... 可能性のある変更について説明します。 Third-party database backends must implement support for table check constraints or set DatabaseFeatures.supports_table_check_constraints to False . Third party database backends must implement support for ignoring constraints ... or uniqueness errors while inserting or set DatabaseFeatures.supports_ignore_conflicts to False . Third party database backends must implement introspection for DurationField or set D ... atabaseFeatures.can_introspect_duration_field to False . DatabaseFeatures.uses_savepoints now defaults to True . Third party database backends must implement support for partial indexes or set Dat ... ... エンド ¶ Third-party database backends can now skip or mark as expected failures tests in Django's test suite using the new DatabaseFeatures.django_test_skips and django_test_expected_failures attributes. デコレータ ¶ The new no_append_slash() decorator allows in ... API ¶ このセクションでは、サードパーティのデータベースバックエンドで必要になる可能性のある変更について説明します。 The new DatabaseFeatures.introspected_field_types property replaces these features: can_introspect_autofield can_introspect_big_integer_field can_i ... To enable support for covering indexes ( Index.include ) and covering unique constraints ( UniqueConstraint.include ), set DatabaseFeatures.supports_covering_indexes to True . Third-party database backends must implement support for column database collations on ... ... エンド ¶ Third-party database backends can now skip or mark as expected failures tests in Django's test suite using the new DatabaseFeatures.django_test_skips and django_test_expected_failures attributes. デコレータ ¶ The new no_append_slash() decorator allows in ... API ¶ このセクションでは、サードパーティのデータベースバックエンドで必要になる可能性のある変更について説明します。 The new DatabaseFeatures.introspected_field_types property replaces these features: can_introspect_autofield can_introspect_big_integer_field can_i ... To enable support for covering indexes ( Index.include ) and covering unique constraints ( UniqueConstraint.include ), set DatabaseFeatures.supports_covering_indexes to True . Third-party database backends must implement support for column database collations on ... ... 可能性のある変更について説明します。 Third-party database backends must implement support for table check constraints or set DatabaseFeatures.supports_table_check_constraints to False . Third party database backends must implement support for ignoring constraints ... or uniqueness errors while inserting or set DatabaseFeatures.supports_ignore_conflicts to False . Third party database backends must implement introspection for DurationField or set D ... atabaseFeatures.can_introspect_duration_field to False . DatabaseFeatures.uses_savepoints now defaults to True . Third party database backends must implement support for partial indexes or set Dat ... ... od now uses the database of the called instance. Third-party database backends must implement support for JSONField or set DatabaseFeatures.supports_json_field to False . If storing primitives is not supported, set DatabaseFeatures.supports_primitives_in_json_fi ... eld to False . If there is a true datatype for JSON, set DatabaseFeatures.has_native_json_field to True . If jsonfield.contains and jsonfield.contained_by are not supported, set DatabaseFeatures.s ... ... od now uses the database of the called instance. Third-party database backends must implement support for JSONField or set DatabaseFeatures.supports_json_field to False . If storing primitives is not supported, set DatabaseFeatures.supports_primitives_in_json_fi ... eld to False . If there is a true datatype for JSON, set DatabaseFeatures.has_native_json_field to True . If jsonfield.contains and jsonfield.contained_by are not supported, set DatabaseFeatures.s ... ... r_table , db_on_delete ) as values. db_on_delete is one of the database-level delete options e.g. DB_CASCADE . Set the new DatabaseFeatures.supports_inspectdb attribute to False if the management command isn't supported. The DatabaseFeatures.prohibits_dollar_sig ... expected to return a two-elements tuple composed of an SQL format string and a tuple of associated parameters. Set the new DatabaseFeatures.supports_bit_aggregations attribute to False if the database doesn't support bitwise aggregations. django.contrib.admin ¶ ... ... r_table , db_on_delete ) as values. db_on_delete is one of the database-level delete options e.g. DB_CASCADE . Set the new DatabaseFeatures.supports_inspectdb attribute to False if the management command isn't supported. The DatabaseFeatures.prohibits_dollar_sig ... expected to return a two-elements tuple composed of an SQL format string and a tuple of associated parameters. Set the new DatabaseFeatures.supports_bit_aggregations attribute to False if the database doesn't support bitwise aggregations. django.contrib.admin ¶ ... ... t argument of SchemaEditor._create_index_name() is now table_name rather than model . To enable FOR UPDATE OF support, set DatabaseFeatures.has_select_for_update_of = True . If the database requires that the arguments to OF be columns rather than tables, set Dat ... abaseFeatures.select_for_update_of_column = True . To enable support for Window expressions, set DatabaseFeatures.supports_over_clause to True . You may need to customize the DatabaseOperations.window_start_rows_start_end() and/or windo ... ... t argument of SchemaEditor._create_index_name() is now table_name rather than model . To enable FOR UPDATE OF support, set DatabaseFeatures.has_select_for_update_of = True . If the database requires that the arguments to OF be columns rather than tables, set Dat ... abaseFeatures.select_for_update_of_column = True . To enable support for Window expressions, set DatabaseFeatures.supports_over_clause to True . You may need to customize the DatabaseOperations.window_start_rows_start_end() and/or windo ... 2026年10月08日