Github user hhbyyh commented on a diff in the pull request:
https://github.com/apache/spark/pull/19525#discussion_r151854676
--- Diff:
mllib-local/src/main/scala/org/apache/spark/ml/linalg/Matrices.scala ---
@@ -476,6 +476,10 @@ class DenseMatrix @Since("2.0.0") (
@Since("2.0.0")
object DenseMatrix {
+ @Since("2.3.0")
+ private[ml] def unapply(dm: DenseMatrix): Option[(Int, Int,
Array[Double], Boolean)] =
--- End diff --
@yanboliang any suggestion?
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