@ -22,7 +22,7 @@ interface BookGroupDao {
@Query("SELECT * FROM book_groups where groupId >= 0 ORDER BY `order`")
fun liveDataSelect(): LiveData<List<BookGroup>>
@get:Query("SELECT sum(groupId) FROM book_groups")
@get:Query("SELECT sum(groupId) FROM book_groups where groupId >= 0")
val idsSum: Long
@get:Query("SELECT MAX(`order`) FROM book_groups")