package User; import androidx.lifecycle.LiveData; import androidx.room.Dao; import androidx.room.Insert; import androidx.room.OnConflictStrategy; import androidx.room.Query; @Dao public interface UserDao { @Insert(onConflict = OnConflictStrategy.REPLACE) void insert(UserData userData); @Query("DELETE FROM users") void deleteAllUsers(); @Query("SELECT * FROM users WHERE name = :userName COLLATE NOCASE LIMIT 1") LiveData getUserLiveData(String userName); @Query("SELECT * FROM users WHERE name = :userName COLLATE NOCASE LIMIT 1") UserData getUserData(String userName); }