add todo

Author: peter-toth

datafusion/expr/src/logical_plan/plan.rs

@@ -1336,6 +1336,7 @@ impl LogicalPlan {
         self,
         rewriter: &mut R,
     ) -> Result<Transformed<Self>> {
+        // TODO: Can we use handle_transform_recursion or a similar macro?
         let pre_visited = rewriter.f_down(self)?;
         match pre_visited.tnr {
             TreeNodeRecursion::Continue => pre_visited
@@ -1349,7 +1350,6 @@ impl LogicalPlan {
                             TreeNodeRecursion::Jump,
                         )
                 }),
-            #[allow(clippy::redundant_closure_call)]
             TreeNodeRecursion::Jump => pre_visited
                 .data
                 .rewrite_subqueries(rewriter)?