676 class ActivityModel : public Model {
678   ActivityModel(DbHandle db) : Model{db} {  in ActivityModel()  function
682   static std::optional<ActivityModel> SelectById(DbHandle db, int id) {  in SelectById()
689     ActivityModel p{db};  in SelectById()
697   static std::optional<ActivityModel> SelectByNameAndPackageId(DbHandle db,  in SelectByNameAndPackageId()
705     ActivityModel p{db};  in SelectByNameAndPackageId()
713   static std::vector<ActivityModel> SelectByPackageId(DbHandle db,  in SelectByPackageId()
720     std::vector<ActivityModel> activities;  in SelectByPackageId()
721     ActivityModel p{db};  in SelectByPackageId()
729   static std::optional<ActivityModel> Insert(DbHandle db,  in Insert()
740     ActivityModel p{db};  in Insert()
750   static std::optional<ActivityModel> SelectOrInsert(  in SelectOrInsert()
763     std::optional<ActivityModel> activity =  in SelectOrInsert()
764         ActivityModel::SelectByNameAndPackageId(db,  in SelectOrInsert()
780 inline std::ostream& operator<<(std::ostream& os, const ActivityModel& p) {