From 152a69f1e96c610f8490376b515b9ee029f2cfca Mon Sep 17 00:00:00 2001
From: An Tao <antao2002@gmail.com>
Date: Thu, 2 Jan 2025 22:44:09 +0800
Subject: [PATCH] ORM:Avoid unnecessary copies when returning search results
 (#2237)

---
 orm_lib/inc/drogon/orm/Mapper.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/orm_lib/inc/drogon/orm/Mapper.h b/orm_lib/inc/drogon/orm/Mapper.h
index 695c550c49..66c4c77946 100644
--- a/orm_lib/inc/drogon/orm/Mapper.h
+++ b/orm_lib/inc/drogon/orm/Mapper.h
@@ -1053,9 +1053,9 @@ inline void Mapper<T>::findBy(const Criteria &criteria,
         std::vector<T> ret;
         for (auto const &row : r)
         {
-            ret.push_back(T(row));
+            ret.emplace_back(row);
         }
-        rcb(ret);
+        rcb(std::move(ret));
     };
     binder >> ecb;
 }