Рабочая сборка второго executor'а

src/DAO/MySQLUserDAO.h

@@ -12,15 +12,15 @@ public:
 
   std::string Create(const User& created_user) override;
 
-  std::optional<User> GetByUUID(std::string uuid) override;
+  std::optional<User> GetByUUID(const std::string& uuid) override;
 
-  std::optional<User> GetByLogin(std::string login) override;
+  std::optional<User> GetByLogin(const std::string& login) override;
 
   std::pair<bool, std::vector<User>> GetAll(size_t limit, size_t offset) override;
 
   bool Update(const User& u) override;
 
-  bool Delete(std::string uuid) override;
+  bool Delete(const std::string& uuid) override;
 
 private:
   std::optional<User> GetSingleUserBySQLResult(mysqlx::SqlResult&& sql_result);