Github user hhbyyh commented on a diff in the pull request: https://github.com/apache/spark/pull/19588#discussion_r148442070 --- Diff: mllib/src/main/scala/org/apache/spark/ml/feature/VectorIndexer.scala --- @@ -311,22 +342,39 @@ class VectorIndexerModel private[ml] ( // TODO: Check more carefully about whether this whole class will be included in a closure. /** Per-vector transform function */ - private val transformFunc: Vector => Vector = { + private lazy val transformFunc: Vector => Vector = { --- End diff -- how about just move it into 'transform'
--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org