jayshrivastava commented on code in PR #24018:
URL: https://github.com/apache/datafusion/pull/24018#discussion_r3741954555


##########
datafusion/physical-plan/src/execution_plan.rs:
##########
@@ -247,6 +250,62 @@ pub trait ExecutionPlan: Any + Debug + DisplayAs + Send + 
Sync {
     /// joins).
     fn children(&self) -> Vec<&Arc<dyn ExecutionPlan>>;
 
+    /// Apply a closure `f` to each expression in the current physical plan 
node. `f`
+    /// should not be called in any child expressions nor in any expressions 
of child nodes.
+    ///
+    /// The closure can return [`TreeNodeRecursion::Stop`] to stop iteration, 
otherwise
+    /// iteration should continue. ([`TreeNodeRecursion::Jump`] and 
[`TreeNodeRecursion::Jump`]

Review Comment:
   Looks like this was resolved



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