text: #ifndef DB_DB_MANAGER_HPP
  #define DB_DB_MANAGER_HPP
  
  #include <pqxx/pqxx>
  
  
  namespace db
  {
      class Database{
          static thread_local pqxx::connection conn;
          
          public:
              static pqxx::connection& get_conn();
  
              static std::string print_result(pqxx::result result, bool print_col_name=true);
      };
  } // namespace db
  
  #endif