18 files changed, 37 insertions, 0 deletions
diff --git a/lib/sqlalchemy/engine/_py_processors.py b/lib/sqlalchemy/engine/_py_processors.py
index 66c915a8f..e3024471a 100644
--- a/lib/sqlalchemy/engine/_py_processors.py
+++ b/lib/sqlalchemy/engine/_py_processors.py
@@ -13,6 +13,8 @@ They all share one common characteristic: None is passed through unchanged.
 
 """
 
+from __future__ import annotations
+
 import datetime
 import re
 
diff --git a/lib/sqlalchemy/engine/_py_row.py b/lib/sqlalchemy/engine/_py_row.py
index 981b6e0b2..a6d5b79d5 100644
--- a/lib/sqlalchemy/engine/_py_row.py
+++ b/lib/sqlalchemy/engine/_py_row.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import operator
 
 MD_INDEX = 0  # integer index in cursor.description
diff --git a/lib/sqlalchemy/engine/_py_util.py b/lib/sqlalchemy/engine/_py_util.py
index 2db6c049b..ff03a4761 100644
--- a/lib/sqlalchemy/engine/_py_util.py
+++ b/lib/sqlalchemy/engine/_py_util.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from collections import abc as collections_abc
 
 from .. import exc
diff --git a/lib/sqlalchemy/engine/base.py b/lib/sqlalchemy/engine/base.py
index 4045eae90..4fd273948 100644
--- a/lib/sqlalchemy/engine/base.py
+++ b/lib/sqlalchemy/engine/base.py
@@ -4,6 +4,8 @@
 #
 # This module is part of SQLAlchemy and is released under
 # the MIT License: https://www.opensource.org/licenses/mit-license.php
+from __future__ import annotations
+
 import contextlib
 import sys
 import typing
diff --git a/lib/sqlalchemy/engine/characteristics.py b/lib/sqlalchemy/engine/characteristics.py
index 10455451f..c3674c931 100644
--- a/lib/sqlalchemy/engine/characteristics.py
+++ b/lib/sqlalchemy/engine/characteristics.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import abc
 
 
diff --git a/lib/sqlalchemy/engine/create.py b/lib/sqlalchemy/engine/create.py
index 2f8ce17df..a252b7cfe 100644
--- a/lib/sqlalchemy/engine/create.py
+++ b/lib/sqlalchemy/engine/create.py
@@ -5,6 +5,8 @@
 # This module is part of SQLAlchemy and is released under
 # the MIT License: https://www.opensource.org/licenses/mit-license.php
 
+from __future__ import annotations
+
 from typing import Any
 from typing import Union
 
diff --git a/lib/sqlalchemy/engine/cursor.py b/lib/sqlalchemy/engine/cursor.py
index f372b8898..2b077056f 100644
--- a/lib/sqlalchemy/engine/cursor.py
+++ b/lib/sqlalchemy/engine/cursor.py
@@ -9,6 +9,8 @@
 :class:`.BaseCursorResult`, :class:`.CursorResult`."""
 
 
+from __future__ import annotations
+
 import collections
 import functools
 
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py
index 4861214c4..b7dbfc52e 100644
--- a/lib/sqlalchemy/engine/default.py
+++ b/lib/sqlalchemy/engine/default.py
@@ -13,6 +13,8 @@ as the base class for their own corresponding classes.
 
 """
 
+from __future__ import annotations
+
 import functools
 import random
 import re
diff --git a/lib/sqlalchemy/engine/events.py b/lib/sqlalchemy/engine/events.py
index 3af46c119..ab462bbe1 100644
--- a/lib/sqlalchemy/engine/events.py
+++ b/lib/sqlalchemy/engine/events.py
@@ -6,6 +6,8 @@
 # the MIT License: https://www.opensource.org/licenses/mit-license.php
 
 
+from __future__ import annotations
+
 from .base import Engine
 from .interfaces import ConnectionEventsTarget
 from .interfaces import Dialect
diff --git a/lib/sqlalchemy/engine/interfaces.py b/lib/sqlalchemy/engine/interfaces.py
index 2bbe23e04..ce884614c 100644
--- a/lib/sqlalchemy/engine/interfaces.py
+++ b/lib/sqlalchemy/engine/interfaces.py
@@ -7,6 +7,8 @@
 
 """Define core interfaces used by the engine system."""
 
+from __future__ import annotations
+
 from enum import Enum
 from typing import Any
 from typing import Callable
diff --git a/lib/sqlalchemy/engine/mock.py b/lib/sqlalchemy/engine/mock.py
index cee4db802..76e77a3f3 100644
--- a/lib/sqlalchemy/engine/mock.py
+++ b/lib/sqlalchemy/engine/mock.py
@@ -5,6 +5,8 @@
 # This module is part of SQLAlchemy and is released under
 # the MIT License: https://www.opensource.org/licenses/mit-license.php
 
+from __future__ import annotations
+
 from operator import attrgetter
 
 from . import url as _url
diff --git a/lib/sqlalchemy/engine/processors.py b/lib/sqlalchemy/engine/processors.py
index 829af6796..398c1fa36 100644
--- a/lib/sqlalchemy/engine/processors.py
+++ b/lib/sqlalchemy/engine/processors.py
@@ -12,6 +12,8 @@ processors.
 They all share one common characteristic: None is passed through unchanged.
 
 """
+from __future__ import annotations
+
 from ._py_processors import str_to_datetime_processor_factory  # noqa
 
 try:
diff --git a/lib/sqlalchemy/engine/reflection.py b/lib/sqlalchemy/engine/reflection.py
index 882392e9c..e1281365e 100644
--- a/lib/sqlalchemy/engine/reflection.py
+++ b/lib/sqlalchemy/engine/reflection.py
@@ -24,6 +24,8 @@ methods such as get_table_names, get_columns, etc.
    use the key 'name'. So for most return values, each record will have a
    'name' attribute..
 """
+from __future__ import annotations
+
 import contextlib
 from typing import List
 from typing import Optional
diff --git a/lib/sqlalchemy/engine/result.py b/lib/sqlalchemy/engine/result.py
index 5970e2448..2e54c87db 100644
--- a/lib/sqlalchemy/engine/result.py
+++ b/lib/sqlalchemy/engine/result.py
@@ -6,6 +6,9 @@
 # the MIT License: https://www.opensource.org/licenses/mit-license.php
 
 """Define generic result set constructs."""
+
+from __future__ import annotations
+
 import collections.abc as collections_abc
 import functools
 import itertools
diff --git a/lib/sqlalchemy/engine/row.py b/lib/sqlalchemy/engine/row.py
index 75c56450e..29b2f338b 100644
--- a/lib/sqlalchemy/engine/row.py
+++ b/lib/sqlalchemy/engine/row.py
@@ -7,6 +7,8 @@
 
 """Define row constructs including :class:`.Row`."""
 
+from __future__ import annotations
+
 import collections.abc as collections_abc
 import operator
 import typing
diff --git a/lib/sqlalchemy/engine/strategies.py b/lib/sqlalchemy/engine/strategies.py
index 8042acd39..7f291af82 100644
--- a/lib/sqlalchemy/engine/strategies.py
+++ b/lib/sqlalchemy/engine/strategies.py
@@ -10,6 +10,8 @@
 
 """
 
+from __future__ import annotations
+
 from .mock import MockConnection  # noqa
 
 
diff --git a/lib/sqlalchemy/engine/url.py b/lib/sqlalchemy/engine/url.py
index ec5ab2bec..a55233397 100644
--- a/lib/sqlalchemy/engine/url.py
+++ b/lib/sqlalchemy/engine/url.py
@@ -14,6 +14,8 @@ argument; alternatively, the URL is a public-facing construct which can
 be used directly and is also accepted directly by ``create_engine()``.
 """
 
+from __future__ import annotations
+
 import collections.abc as collections_abc
 import re
 from typing import Dict
diff --git a/lib/sqlalchemy/engine/util.py b/lib/sqlalchemy/engine/util.py
index f74cd3f84..f9ee65bef 100644
--- a/lib/sqlalchemy/engine/util.py
+++ b/lib/sqlalchemy/engine/util.py
@@ -5,6 +5,8 @@
 # This module is part of SQLAlchemy and is released under
 # the MIT License: https://www.opensource.org/licenses/mit-license.php
 
+from __future__ import annotations
+
 from .. import exc
 from .. import util