Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/19993#discussion_r162747183
--- Diff: mllib/src/main/scala/org/apache/spark/ml/feature/Bucketizer.scala
---
@@ -201,9 +184,13 @@ final class Bucketizer @Since("1.4.0")
(@Since("1.4.0") override val uid: String
@Since("1.4.0")
override def transformSchema(schema: StructType): StructType = {
- if (isBucketizeMultipleColumns()) {
+ ParamValidators.checkExclusiveParams(this, "inputCol", "inputCols")
--- End diff --
I see. I'll see if I can come up with something which is generic but
handles these other checks.
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