ozankabak commented on code in PR #9389:
URL: https://github.com/apache/arrow-datafusion/pull/9389#discussion_r1506718374
##########
datafusion/physical-plan/src/lib.rs:
##########
@@ -455,6 +443,22 @@ impl ExecutionPlanProperties for Arc<dyn ExecutionPlan> {
///
/// See also [`ExecutionPlan::maintains_input_order`] and
[`Self::output_ordering`]
/// for related concepts.
+ fn equivalence_properties(&self) -> &EquivalenceProperties;
+}
+
+impl ExecutionPlanProperties for Arc<dyn ExecutionPlan> {
Review Comment:
```suggestion
impl ExecutionPlanProperties for dyn ExecutionPlan {
```
Maybe doing this will make the extension trait a bit more generally
applicable?
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