Fix infinite export loop and improve general error handling.

core-util/src/main/java/org/signal/core/util/SQLiteDatabaseExtensions.kt

@@ -229,6 +229,7 @@ class UpdateBuilderPart3(
   private val where: String,
   private val whereArgs: Array<String>
 ) {
+  @JvmOverloads
   fun run(conflictStrategy: Int = SQLiteDatabase.CONFLICT_NONE): Int {
     return db.update(tableName, conflictStrategy, values, where, whereArgs)
   }

core-util/src/main/java/org/signal/core/util/Serializer.kt

@@ -10,6 +10,8 @@ interface Serializer<T, R> {
 
 interface StringSerializer<T> : Serializer<T, String>
 
+interface IntSerializer<T> : Serializer<T, Int>
+
 interface LongSerializer<T> : Serializer<T, Long>
 
 interface ByteSerializer<T> : Serializer<T, ByteArray>

core-util/src/main/java/org/signal/core/util/SqlUtil.kt

@@ -63,7 +63,7 @@ object SqlUtil {
     return objects.map {
       when (it) {
         null -> throw NullPointerException("Cannot have null arg!")
-        is DatabaseId -> (it as DatabaseId?)!!.serialize()
+        is DatabaseId -> it.serialize()
         else -> it.toString()
       }
     }.toTypedArray()