Add public alias of type _ColumnExpressionArgument

Added type ``ColumnExpressionArgument`` as a public alias of an internal
type. This type is useful since it's what' accepted by the sqlalchemy in
many api calls, such as :meth:`_sql.Select.where`, :meth:`_sql.and` and
many other.

Fixes: #9656
Change-Id: I79a38a0c1417d0ed1b6efff00497dba5e2be4f79

2 files changed, 6 insertions, 3 deletions

diff --git a/lib/sqlalchemy/sql/__init__.py b/lib/sqlalchemy/sql/__init__.py
index e5bbe65da..96cffed7d 100644
--- a/lib/sqlalchemy/sql/__init__.py
+++ b/lib/sqlalchemy/sql/__init__.py
@@ -7,6 +7,7 @@
 from typing import Any
 from typing import TYPE_CHECKING
 
+from ._typing import ColumnExpressionArgument as ColumnExpressionArgument
 from .base import Executable as Executable
 from .compiler import COLLECT_CARTESIAN_PRODUCTS as COLLECT_CARTESIAN_PRODUCTS
 from .compiler import FROM_LINTING as FROM_LINTING
diff --git a/lib/sqlalchemy/sql/_typing.py b/lib/sqlalchemy/sql/_typing.py
index 596493b7c..9e83c3f42 100644
--- a/lib/sqlalchemy/sql/_typing.py
+++ b/lib/sqlalchemy/sql/_typing.py
@@ -26,6 +26,7 @@ from .. import util
 from ..inspection import Inspectable
 from ..util.typing import Literal
 from ..util.typing import Protocol
+from ..util.typing import TypeAlias
 
 if TYPE_CHECKING:
     from datetime import date
@@ -175,7 +176,10 @@ _ColumnExpressionArgument = Union[
     Callable[[], "ColumnElement[_T]"],
     "LambdaElement",
 ]
-"""narrower "column expression" argument.
+"See docs in public alias ColumnExpressionArgument."
+
+ColumnExpressionArgument: TypeAlias = _ColumnExpressionArgument[_T]
+"""Narrower "column expression" argument.
 
 This type is used for all the other "column" kinds of expressions that
 typically represent a single SQL column expression, not a set of columns the
@@ -184,10 +188,8 @@ way a table or ORM entity does.
 This includes ColumnElement, or ORM-mapped attributes that will have a
 `__clause_element__()` method, it also has the ExpressionElementRole
 overall which brings in the TextClause object also.
-
 """
 
-
 _ColumnExpressionOrLiteralArgument = Union[Any, _ColumnExpressionArgument[_T]]
 
 _ColumnExpressionOrStrLabelArgument = Union[str, _ColumnExpressionArgument[_T]]