package Ġname . lm j 0 0 1 1 . cour ier locker . database Ċ Ċ import Ġandroidx . room . Dao Ċ import Ġandroidx . room . Raw Query Ċ import Ġandroidx . sqlite . db . Support SQLite Query Ċ Ċ // Ġref : Ġhttps :// stackoverflow . com / a / 5 1 5 6 0 1 2 4 / 2 4 4 5 7 6 3 Ċ @ Dao Ċ interface ĠBase Dao Ġ{ Ċ // ĠĠĠ Ġ@ Raw Query Ċ // ĠĠĠ Ġfun Ġcheckpoint ( support SQLite Query : ĠSupport SQLite Query ?): ĠInt Ċ }