From b2609d5183608f53e00540d896fe6f09b4ac2ea4 Mon Sep 17 00:00:00 2001
From: Chunchun <14298407+appletreeisyellow@users.noreply.github.com>
Date: Wed, 15 May 2024 08:34:55 -0500
Subject: [PATCH] chore: use less copy

---
 datafusion/optimizer/src/single_distinct_to_groupby.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/datafusion/optimizer/src/single_distinct_to_groupby.rs b/datafusion/optimizer/src/single_distinct_to_groupby.rs
index 01e45c135fe6..aef897637590 100644
--- a/datafusion/optimizer/src/single_distinct_to_groupby.rs
+++ b/datafusion/optimizer/src/single_distinct_to_groupby.rs
@@ -131,7 +131,8 @@ impl OptimizerRule for SingleDistinctToGroupBy {
         plan: LogicalPlan,
         _config: &dyn OptimizerConfig,
     ) -> Result<Transformed<LogicalPlan>, DataFusionError> {
-        match plan {
+        match plan.clone() {
+            // TODO chunchun: remove clone
             LogicalPlan::Aggregate(Aggregate {
                 input,
                 aggr_expr,