cloud-fan commented on a change in pull request #28983:
URL: https://github.com/apache/spark/pull/28983#discussion_r450874248
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File path:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/UDAQuerySuite.scala
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@@ -119,6 +119,15 @@ object CountSerDeAgg extends Aggregator[Int,
CountSerDeSQL, CountSerDeSQL] {
def outputEncoder: Encoder[CountSerDeSQL] =
ExpressionEncoder[CountSerDeSQL]()
}
+object ArrayDataAgg extends Aggregator[Array[Double], Double, Double] {
Review comment:
can we test if the buffer is array type as well?
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