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from typing import Any
from django.db.backends.base.features import BaseDatabaseFeatures
from django.db.backends.postgresql.base import DatabaseWrapper
from django.utils.functional import cached_property
class DatabaseFeatures(BaseDatabaseFeatures):
connection: DatabaseWrapper
allows_group_by_selected_pks: bool
can_return_columns_from_insert: bool
can_return_rows_from_bulk_insert: bool
has_real_datatype: bool
has_native_uuid_field: bool
has_native_duration_field: bool
has_native_json_field: bool
can_defer_constraint_checks: bool
has_select_for_update: bool
has_select_for_update_nowait: bool
has_select_for_update_of: bool
has_select_for_update_skip_locked: bool
has_select_for_no_key_update: bool
can_release_savepoints: bool
supports_tablespaces: bool
supports_transactions: bool
can_introspect_materialized_views: bool
can_distinct_on_fields: bool
can_rollback_ddl: bool
supports_combined_alters: bool
nulls_order_largest: bool
closed_cursor_error_class: Any
has_case_insensitive_like: bool
greatest_least_ignores_nulls: bool
can_clone_databases: bool
supports_temporal_subtraction: bool
supports_slicing_ordering_in_compound: bool
create_test_procedure_without_params_sql: str
create_test_procedure_with_int_param_sql: str
requires_casted_case_in_updates: bool
supports_over_clause: bool
only_supports_unbounded_with_preceding_and_following: bool
supports_aggregate_filter_clause: bool
supported_explain_formats: Any
validates_explain_options: bool
supports_deferrable_unique_constraints: bool
has_json_operators: bool
json_key_contains_list_matching_requires_list: bool
@property
def is_postgresql_15(self) -> bool: ...
@cached_property
def is_postgresql_16(self) -> bool: ...
@property
def is_postgresql_17(self) -> bool: ...
has_brin_autosummarize: bool
has_websearch_to_tsquery: bool
supports_table_partitions: bool
supports_covering_indexes: bool
supports_covering_gist_indexes: bool
supports_non_deterministic_collations: bool
supports_alternate_collation_providers: bool
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