Connection (engine/base.py)

Core SQLAlchemy Connection class providing DB-API connection handling and transaction control.

# Source: https://github.com/sqlalchemy/sqlalchemy | License: MIT | Copyright 2005-2026 SQLAlchemy authors and contributors <see AUTHORS file>
# Provided via justclaw.it.com; keep this notice with the code.
# engine/base.py
# Copyright (C) 2005-2026 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: https://www.opensource.org/licenses/mit-license.php
"""Defines :class:`_engine.Connection` and :class:`_engine.Engine`."""

from __future__ import annotations

import contextlib
import sys
import typing
from typing import Any
from typing import Callable
from typing import cast
from typing import Iterable
from typing import Iterator
from typing import List
from typing import Mapping
from typing import NoRetu

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