diff --git a/modules/iceaxe-core/src/main/java/com/tsurugidb/iceaxe/sql/result/TgResultCount.java b/modules/iceaxe-core/src/main/java/com/tsurugidb/iceaxe/sql/result/TgResultCount.java
index d3e9528..68e1bea 100755
--- a/modules/iceaxe-core/src/main/java/com/tsurugidb/iceaxe/sql/result/TgResultCount.java
+++ b/modules/iceaxe-core/src/main/java/com/tsurugidb/iceaxe/sql/result/TgResultCount.java
@@ -101,4 +101,9 @@ public long getCount(CounterType lowCounterType) {
         var counterMap = getLowCounterMap();
         return counterMap.getOrDefault(lowCounterType, 0L);
     }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + getLowCounterMap();
+    }
 }