planga82 commented on a change in pull request #28351:
URL: https://github.com/apache/spark/pull/28351#discussion_r415835388
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/collect.scala
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@@ -139,6 +139,23 @@ case class CollectSet(
def this(child: Expression) = this(child, 0, 0)
+ override def eval(buffer: mutable.HashSet[Any]): Any = {
Review comment:
yes, I thought about it, and I was trying to solve it in previous fases
but I found problems with the types.
I think the key is `UnsafeArrayData` object. I will try at this way. Thank
you very much for the help!
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