package Ġcom . example . lazy j og ger . database Ċ Ċ import Ġandroidx . lifecycle . LiveData Ċ import Ġandroidx . room .* Ċ Ċ @ Dao Ċ interface ĠUser Dao Ġ{ ĊĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġuser ") ĊĠĠĠ Ġfun ĠgetAll (): ĠLive Data < List < User >> ĊĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġuser ĠWHERE Ġuid Ġ= Ġ: uid ") ĊĠĠĠ Ġfun ĠgetItem ( uid : ĠLong ): ĠUser ĊĊĠĠĠ Ġ@ Insert ( on Conflict Ġ= ĠOn Conflict Strategy . REPLACE ) ĊĠĠĠ Ġfun Ġinsert ( user : ĠUser ): ĠLong ĊĊĠĠĠ Ġ@ Query (" DELETE ĠFROM Ġuser ĠWHERE Ġuid Ġ= Ġ: userId ") ĊĠĠĠ Ġfun Ġdelete By UserId ( userId : ĠLong ): ĠInt Ċ }