fix

Author: 50Bytes-dev

sqlmodel/main.py

@@ -799,13 +799,13 @@ def get_sqlalchemy_type(field: Any) -> Any:
     return base_type_to_sa_type(type_, metadata)
 
 
-def get_column_from_field(field: Any) -> Column:  # type: ignore
+def get_column_from_field(field: Any) -> Union[Column, MappedSQLExpression[Any]]:  # type: ignore
     if IS_PYDANTIC_V2:
         field_info = field
     else:
         field_info = field.field_info
     sa_column = getattr(field_info, "sa_column", Undefined)
-    if isinstance(sa_column, Column):
+    if isinstance(sa_column, (Column, MappedSQLExpression[Any])):
         return sa_column
     sa_type = get_sqlalchemy_type(field)
     primary_key = getattr(field_info, "primary_key", Undefined)