From af12f52b0f5a732aeb28a3c24e3e364c84d392f4 Mon Sep 17 00:00:00 2001
From: t-horikawa <horikawa@nautilus-technologies.com>
Date: Mon, 20 May 2024 14:30:07 +0900
Subject: [PATCH] update docs/internal/dbstats-design_ja.md

---
 docs/internal/dbstats-design_ja.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/internal/dbstats-design_ja.md b/docs/internal/dbstats-design_ja.md
index 4571f5b6..110d2bc6 100644
--- a/docs/internal/dbstats-design_ja.md
+++ b/docs/internal/dbstats-design_ja.md
@@ -175,7 +175,7 @@ public:
      * @brief returns a new aggregator of this aggregation.
      * @returns the aggregation operation type
      */
-    std::unique_ptr<metrics_aggregator> create_aggregator() const noexcept;
+    virtual std::unique_ptr<metrics_aggregator> create_aggregator() const noexcept = 0;
 };
 ```
 
@@ -258,7 +258,7 @@ public:
      * @param aggregation aggregation specification to register
      * @throws std::runtime_error if another aggregation with the same key is already in this store
      */
-    void register_aggregation(metrics_aggregation aggregation);
+    void register_aggregation(std::unique_ptr<metrics_aggregation> aggregation);
 
     /**
      * @brief removes the previously registered metrics item or aggregation.