diff -U3 /home/hayato/postgres/src/test/regress/expected/aggregates.out /home/hayato/postgres/src/test/regress/results/aggregates.out
--- /home/hayato/postgres/src/test/regress/expected/aggregates.out	2022-09-29 13:16:19.298850793 +0900
+++ /home/hayato/postgres/src/test/regress/results/aggregates.out	2022-09-29 13:27:35.248850417 +0900
@@ -2591,9 +2591,9 @@
           QUERY PLAN          
 ------------------------------
  GroupAggregate
-   Group Key: p, d, c, v
+   Group Key: p, c, d, v
    ->  Sort
-         Sort Key: p, d, c, v
+         Sort Key: p, c, d, v
          ->  Seq Scan on btg
 (5 rows)
 
@@ -2735,9 +2735,9 @@
                    QUERY PLAN                    
 -------------------------------------------------
  GroupAggregate
-   Group Key: p, c, d, v
+   Group Key: p, d, c, v
    ->  Incremental Sort
-         Sort Key: p, c, d, v
+         Sort Key: p, d, c, v
          Presorted Key: p
          ->  Index Scan using btg_p_v_idx on btg
 (6 rows)