diff options
Diffstat (limited to 'lib/sqlalchemy/sql/_typing.py')
| -rw-r--r-- | lib/sqlalchemy/sql/_typing.py | 8 |
1 files changed, 5 insertions, 3 deletions
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]] |