HistoryDao: latestEntry can be null

Signed-off-by: Aayush Gupta <[email protected]>

Author: theimpulson

app/src/main/java/org/schabi/newpipe/database/history/dao/HistoryDAO.kt

@@ -9,5 +9,5 @@ package org.schabi.newpipe.database.history.dao
 import org.schabi.newpipe.database.BasicDAO
 
 interface HistoryDAO<T> : BasicDAO<T> {
-    val latestEntry: T
+    val latestEntry: T?
 }

app/src/main/java/org/schabi/newpipe/database/history/dao/SearchHistoryDAO.kt

@@ -15,7 +15,7 @@ import org.schabi.newpipe.database.history.model.SearchHistoryEntry
 interface SearchHistoryDAO : HistoryDAO<SearchHistoryEntry> {
 
     @get:Query("SELECT * FROM search_history WHERE id = (SELECT MAX(id) FROM search_history)")
-    override val latestEntry: SearchHistoryEntry
+    override val latestEntry: SearchHistoryEntry?
 
     @Query("DELETE FROM search_history")
     override fun deleteAll(): Int