make types compatible with older Python versions

[nominatim.git] / nominatim / typing.py

diff --git a/nominatim/typing.py b/nominatim/typing.py
index bc4c5534777e537a3d0ffe1ab4a0c6d2b16f2456..ebb5e1e9d56f05fe91e52dda6c73d59365afee81 100644 (file)
--- a/nominatim/typing.py
+++ b/nominatim/typing.py
@@ -63,8 +63,11 @@ else:
     TypeAlias = str
 
 SaSelect: TypeAlias = 'sa.Select[Any]'
+SaScalarSelect: TypeAlias = 'sa.ScalarSelect[Any]'
 SaRow: TypeAlias = 'sa.Row[Any]'
 SaColumn: TypeAlias = 'sa.ColumnElement[Any]'
+SaExpression: TypeAlias = 'sa.ColumnElement[bool]'
 SaLabel: TypeAlias = 'sa.Label[Any]'
 SaFromClause: TypeAlias = 'sa.FromClause'
 SaSelectable: TypeAlias = 'sa.Selectable'
+SaBind: TypeAlias = 'sa.BindParameter[Any]'