pierrejeambrun commented on code in PR #44226:
URL: https://github.com/apache/airflow/pull/44226#discussion_r1852140439


##########
airflow/api_fastapi/common/db/common.py:
##########
@@ -47,40 +52,45 @@ def your_route(session: Annotated[Session, 
Depends(get_session)]):
         yield session
 
 
-def apply_filters_to_select(base_select: Select, filters: Sequence[BaseParam | 
None]) -> Select:
-    base_select = base_select
-    for filter in filters:
-        if filter is None:
+def apply_filters_to_select(
+    *, base_select: Select, filters: Sequence[BaseParam | None] | None = None
+) -> Select:
+    if filters is None:
+        return base_select
+    for f in filters:
+        if f is None:
             continue
-        base_select = filter.to_orm(base_select)
+        base_select = f.to_orm(base_select)
 
     return base_select
 
 
 @provide_session
 def paginated_select(
     base_select: Select,
-    filters: Sequence[BaseParam],
+    filters: Sequence[BaseParam] | None = None,
     order_by: BaseParam | None = None,
     offset: BaseParam | None = None,
     limit: BaseParam | None = None,
     session: Session = NEW_SESSION,
     return_total_entries: bool = True,
-) -> Select:
+) -> tuple[Select, int | None]:
     base_select = apply_filters_to_select(
-        base_select,
-        filters,
+        base_select=base_select,
+        filters=filters,
     )
 
     total_entries = None
     if return_total_entries:
         total_entries = get_query_count(base_select, session=session)
+    if TYPE_CHECKING:
+        assert isinstance(total_entries, int)

Review Comment:
   Cf ash comment about overload, I was just about to write that and figured 
ash beat me to it.



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