int id;

std::string firstName;

std::string lastName;

int userId;

std::string userFirstName;

std::time_t time;

#ifdef ENABLE_THIS_EXAMPLE

using namespace sqlite_orm;

auto storage = make_storage(

{},

make_table("users",

make_column("id", &User::id),

make_column("first_name", &User::firstName),

make_column("last_name", &User::lastName),

primary_key(&User::id, &User::firstName)),

make_table("visits",

make_column("user_id", &UserVisit::userId),

make_column("user_first_name", &UserVisit::userFirstName),

make_column("time", &UserVisit::time),

foreign_key(&UserVisit::userId, &UserVisit::userFirstName).references(&User::id, &User::firstName)));

storage.sync_schema();

storage.replace(User{

1,

"Bebe",

"Rexha",

});

auto bebeRexha = storage.get<User>(1, "Bebe");

cout << "bebeRexha = " << storage.dump(bebeRexha) << endl;

auto bebeRexhaMaybe = storage.get_pointer<User>(1, "Bebe");

try {

// 2 and 'Drake' values will be ignored cause they are primary keys

storage.insert(User{2, "Drake", "Singer"});

} catch (const std::system_error& e) {

cout << "exception = " << e.what() << endl;

}

storage.replace(User{2, "The Weeknd", "Singer"});

auto weeknd = storage.get<User>(2, "The Weeknd");

cout << "weeknd = " << storage.dump(weeknd) << endl;

#endif

return 0;