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from io import IOBase
from typing import Any
from django.db.backends.base.base import BaseDatabaseWrapper
from django.db.backends.utils import CursorDebugWrapper as BaseCursorDebugWrapper
from django.db.backends.utils import _ExecuteQuery
from django.utils.functional import cached_property
from .client import DatabaseClient
from .creation import DatabaseCreation
from .features import DatabaseFeatures
from .introspection import DatabaseIntrospection
from .operations import DatabaseOperations
def psycopg_version() -> tuple[int, int, int]: ...
class DatabaseWrapper(BaseDatabaseWrapper):
client: DatabaseClient
creation: DatabaseCreation
features: DatabaseFeatures
introspection: DatabaseIntrospection
ops: DatabaseOperations
client_class: type[DatabaseClient]
creation_class: type[DatabaseCreation]
features_class: type[DatabaseFeatures]
introspection_class: type[DatabaseIntrospection]
ops_class: type[DatabaseOperations]
operators: dict[str, str]
pattern_esc: str
pattern_ops: dict[str, str]
# PostgreSQL backend-specific attributes.
_named_cursor_idx: int
@cached_property
def pg_version(self) -> int: ...
class CursorDebugWrapper(BaseCursorDebugWrapper):
def copy_expert(self, sql: _ExecuteQuery, file: IOBase, *args: Any) -> Any: ...
def copy_to(self, file: IOBase, table: str, *args: Any, **kwargs: Any) -> Any: ...
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