Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/9777#discussion_r55404547
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/feature/OneHotEncoder.scala ---
@@ -132,8 +133,10 @@ class OneHotEncoder(override val uid: String) extends
Transformer
val numAttrs =
dataset.select(col(inputColName).cast(DoubleType)).map(_.getDouble(0))
.aggregate(0.0)(
(m, x) => {
- assert(x >=0.0 && x == x.toInt,
- s"Values from column $inputColName must be indices, but got
$x.")
+ assert(x <= Int.MaxValue,
+ s"OneHotEncoder only supports up to ${Int.MaxValue} indices,
but got $x")
+ assert(x >= 0.0 && x == x.toInt,
+ s"Values e column $inputColName must be indices, but got
$x.")
--- End diff --
I reverted this back to the original wording, "Values from column".
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