class DatabaseFeatures(BaseDatabaseFeatures):
Known subclasses: django.contrib.gis.db.backends.oracle.features.DatabaseFeatures
Undocumented
Inherited from BaseDatabaseFeatures
:
Method | __init__ |
Undocumented |
Method | allows_group_by_selected_pks_on_model |
Undocumented |
Class Variable | allow_sliced_subqueries_with_in |
Undocumented |
Class Variable | allows_auto_pk_0 |
Undocumented |
Class Variable | allows_group_by_pk |
Undocumented |
Class Variable | allows_group_by_selected_pks |
Undocumented |
Class Variable | can_clone_databases |
Undocumented |
Class Variable | can_create_inline_fk |
Undocumented |
Class Variable | can_distinct_on_fields |
Undocumented |
Class Variable | can_introspect_check_constraints |
Undocumented |
Class Variable | can_introspect_default |
Undocumented |
Class Variable | can_introspect_foreign_keys |
Undocumented |
Class Variable | can_introspect_json_field |
Undocumented |
Class Variable | can_release_savepoints |
Undocumented |
Class Variable | can_return_rows_from_bulk_insert |
Undocumented |
Class Variable | can_rollback_ddl |
Undocumented |
Class Variable | can_use_chunked_reads |
Undocumented |
Class Variable | collate_as_index_expression |
Undocumented |
Class Variable | connection_persists_old_columns |
Undocumented |
Class Variable | empty_fetchmany_value |
Undocumented |
Class Variable | for_update_after_from |
Undocumented |
Class Variable | gis_enabled |
Undocumented |
Class Variable | greatest_least_ignores_nulls |
Undocumented |
Class Variable | has_bulk_insert |
Undocumented |
Class Variable | has_json_object_function |
Undocumented |
Class Variable | has_json_operators |
Undocumented |
Class Variable | has_native_json_field |
Undocumented |
Class Variable | has_native_uuid_field |
Undocumented |
Class Variable | has_real_datatype |
Undocumented |
Class Variable | has_select_for_no_key_update |
Undocumented |
Class Variable | has_zoneinfo_database |
Undocumented |
Class Variable | implied_column_null |
Undocumented |
Class Variable | indexes_foreign_keys |
Undocumented |
Class Variable | json_key_contains_list_matching_requires_list |
Undocumented |
Class Variable | only_supports_unbounded_with_preceding_and_following |
Undocumented |
Class Variable | order_by_nulls_first |
Undocumented |
Class Variable | related_fields_match_type |
Undocumented |
Class Variable | requires_casted_case_in_updates |
Undocumented |
Class Variable | requires_explicit_null_ordering_when_grouping |
Undocumented |
Class Variable | supported_explain_formats |
Undocumented |
Class Variable | supports_aggregate_filter_clause |
Undocumented |
Class Variable | supports_atomic_references_rename |
Undocumented |
Class Variable | supports_cast_with_precision |
Undocumented |
Class Variable | supports_column_check_constraints |
Undocumented |
Class Variable | supports_covering_indexes |
Undocumented |
Class Variable | supports_date_lookup_using_string |
Undocumented |
Class Variable | supports_default_in_lead_lag |
Undocumented |
Class Variable | supports_expression_indexes |
Undocumented |
Class Variable | supports_foreign_keys |
Undocumented |
Class Variable | supports_forward_references |
Undocumented |
Class Variable | supports_functions_in_partial_indexes |
Undocumented |
Class Variable | supports_index_column_ordering |
Undocumented |
Class Variable | supports_json_field |
Undocumented |
Class Variable | supports_mixed_date_datetime_comparisons |
Undocumented |
Class Variable | supports_non_deterministic_collations |
Undocumented |
Class Variable | supports_nullable_unique_constraints |
Undocumented |
Class Variable | supports_order_by_nulls_modifier |
Undocumented |
Class Variable | supports_paramstyle_pyformat |
Undocumented |
Class Variable | supports_parentheses_in_compound |
Undocumented |
Class Variable | supports_regex_backreferencing |
Undocumented |
Class Variable | supports_select_difference |
Undocumented |
Class Variable | supports_select_intersection |
Undocumented |
Class Variable | supports_select_union |
Undocumented |
Class Variable | supports_table_check_constraints |
Undocumented |
Class Variable | supports_unspecified_pk |
Undocumented |
Class Variable | test_db_allows_multiple_connections |
Undocumented |
Class Variable | time_cast_precision |
Undocumented |
Class Variable | update_can_self_select |
Undocumented |
Class Variable | uses_savepoints |
Undocumented |
Class Variable | validates_explain_options |
Undocumented |
Instance Variable | connection |
Undocumented |
Property | supports_explaining_query_execution |
Does this backend support explaining query execution? |
bool
=
django.db.backends.base.features.BaseDatabaseFeatures.supports_boolean_expr_in_select_clause
Undocumented
bool
=
django.db.backends.base.features.BaseDatabaseFeatures.supports_deferrable_unique_constraints
Undocumented
bool
=
django.db.backends.base.features.BaseDatabaseFeatures.supports_select_for_update_with_limit
Undocumented
bool
=
django.db.backends.base.features.BaseDatabaseFeatures.supports_slicing_ordering_in_compound
Undocumented