From 81d72fc35d321eb7ecc9fcf74db59e028a92e5e8 Mon Sep 17 00:00:00 2001
From: hzliangbin <hzliangbin@foxmail.com>
Date: Mon, 20 Jun 2022 14:28:32 +0800
Subject: [PATCH] fix: put conn back

---
 pkg/sql/db.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkg/sql/db.go b/pkg/sql/db.go
index a50c5340..22f2a2a0 100644
--- a/pkg/sql/db.go
+++ b/pkg/sql/db.go
@@ -365,6 +365,7 @@ func (db *DB) TestConn() error {
 	if err != nil {
 		return err
 	}
+	defer db.pool.Put(r)
 	conn := r.(*driver.BackendConnection)
 	return conn.Ping(context.Background())
 }