LuciferYang commented on code in PR #43178:
URL: https://github.com/apache/spark/pull/43178#discussion_r1402019010
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala:
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@@ -915,15 +915,15 @@ case class MapObjects private(
}
private lazy val mapElements: scala.collection.Seq[_] => Any =
customCollectionCls match {
- case Some(cls) if classOf[WrappedArray[_]].isAssignableFrom(cls) =>
+ case Some(cls) if classOf[mutable.ArraySeq[_]].isAssignableFrom(cls) =>
Review Comment:
https://github.com/scala/scala/blob/0835d868e4e480f425946acda546112d7687dc30/src/library/scala/collection/mutable/package.scala#L16-L20
```scala
@deprecated("Use ArraySeq instead of WrappedArray; it can represent both,
boxed and unboxed arrays", "2.13.0")
type WrappedArray[X] = ArraySeq[X]
@deprecated("Use ArraySeq instead of WrappedArray; it can represent both,
boxed and unboxed arrays", "2.13.0")
val WrappedArray = ArraySeq
```
In Scala 2.13, `WrappedArray` is just an alias for
`scala.collection.mutable.ArraySeq`, and it's not an independent type. Did you
encounter any bad cases?
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