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-rw-r--r--lib/sqlalchemy/sql/_elements_constructors.py8
-rw-r--r--lib/sqlalchemy/sql/_typing.py3
2 files changed, 7 insertions, 4 deletions
diff --git a/lib/sqlalchemy/sql/_elements_constructors.py b/lib/sqlalchemy/sql/_elements_constructors.py
index 605f75ec4..0eaeae66e 100644
--- a/lib/sqlalchemy/sql/_elements_constructors.py
+++ b/lib/sqlalchemy/sql/_elements_constructors.py
@@ -47,8 +47,8 @@ from .functions import FunctionElement
from ..util.typing import Literal
if typing.TYPE_CHECKING:
- from . import sqltypes
from ._typing import _ColumnExpressionArgument
+ from ._typing import _ColumnExpressionOrLiteralArgument
from ._typing import _TypeEngineArgument
from .elements import BinaryExpression
from .functions import FunctionElement
@@ -289,7 +289,7 @@ def collate(
def between(
- expr: _ColumnExpressionArgument[_T],
+ expr: _ColumnExpressionOrLiteralArgument[_T],
lower_bound: Any,
upper_bound: Any,
symmetric: bool = False,
@@ -782,7 +782,7 @@ def case(
def cast(
- expression: _ColumnExpressionArgument[Any],
+ expression: _ColumnExpressionOrLiteralArgument[Any],
type_: _TypeEngineArgument[_T],
) -> Cast[_T]:
r"""Produce a ``CAST`` expression.
@@ -1544,7 +1544,7 @@ def tuple_(
def type_coerce(
- expression: _ColumnExpressionArgument[Any],
+ expression: _ColumnExpressionOrLiteralArgument[Any],
type_: _TypeEngineArgument[_T],
) -> TypeCoerce[_T]:
r"""Associate a SQL expression with a particular type, without rendering
diff --git a/lib/sqlalchemy/sql/_typing.py b/lib/sqlalchemy/sql/_typing.py
index 1df530dbd..f49a6d3ec 100644
--- a/lib/sqlalchemy/sql/_typing.py
+++ b/lib/sqlalchemy/sql/_typing.py
@@ -162,6 +162,9 @@ overall which brings in the TextClause object also.
"""
+_ColumnExpressionOrLiteralArgument = Union[Any, _ColumnExpressionArgument[_T]]
+
+
_InfoType = Dict[Any, Any]
"""the .info dictionary accepted and used throughout Core /ORM"""