@Dao
public interface UserDao {
    @Query("SELECT * FROM user")
    List<User> getAll();

    @Query("SELECT * FROM user WHERE id IN (:userIds)")
    List<User> loadAllByIds(int[] userIds);

    @Query("SELECT * FROM user WHERE id IN (:userId)")
    User getById(int userId);

    @Insert
    void insertAll(User... users);

    @Insert
    void insert(User user);

    @Delete
    void delete(User user);

    @Update
    void update(User user);

    @Query("SELECT * FROM user WHERE id=(SELECT MAX(id) FROM user)")
    User getUser();
}