Modify DbClientImpl

orm_lib/src/DbClientImpl.cc

@@ -127,9 +127,13 @@ void DbClientImpl::execSql(const DbConnectionPtr &conn,
         }
         return;
     }
-    std::weak_ptr<DbConnection> weakConn = conn;
-    conn->execSql(std::move(sql), paraNum, std::move(parameters), std::move(length), std::move(format),
-                  std::move(rcb), std::move(exceptCallback));
+    conn->execSql(std::move(sql),
+                  paraNum,
+                  std::move(parameters),
+                  std::move(length),
+                  std::move(format),
+                  std::move(rcb),
+                  std::move(exceptCallback));
 }
 void DbClientImpl::execSql(std::string &&sql,
                            size_t paraNum,