def migrate()

in migrator/src/main/scala/org/apache/pekko/persistence/jdbc/migrator/JournalMigrator.scala [82:88]


  def migrate(): Future[Done] = Source
    .fromPublisher(journalDB.stream(query))
    .via(serializer.deserializeFlow)
    .map {
      case Success((repr, tags, ordering)) => (repr, tags, ordering)
      case Failure(exception)              => throw exception // blow-up on failure
    }