Рабочая сборка с третьей ручкой

src/DAO/MySQLUserDAO.cpp

@@ -101,16 +101,12 @@ pair<bool, vector<user>> MySQLUserDAO::GetAll(size_t limit, size_t offset)
 
 bool MySQLUserDAO::Update(const user& u)
 {
-  auto schema = session_.getSchema("up_and_down");
-  auto table = schema.getTable("users");
-  mysqlx::Result res = table.update()
-                            .set("login", u.login)
-                            .set("hashed_password", u.hashed_password)
-                            .where("uuid = :uuid")
-                            .bind("uuid", u.uuid)
-                            .execute();
+  const string sql_script = "UPDATE `up_and_down`.`user` SET login = '"s + u.login +
+    "' WHERE guid = '" + u.uuid + "';"s;
 
-  return !!res.getAffectedItemsCount();
+  auto schema = session_.sql(sql_script).execute();
+
+  return !!schema.getAffectedItemsCount();
 }
 
 bool MySQLUserDAO::Delete(const string& uuid)