Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/21732#discussion_r203621857
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/DatasetAggregatorSuite.scala ---
@@ -183,6 +184,43 @@ case class OptionBooleanAggregator(colName: String)
def OptionalBoolEncoder: Encoder[Option[Boolean]] = ExpressionEncoder()
}
+case class OptionBooleanIntAggregator(colName: String)
+ extends Aggregator[Row, Option[(Boolean, Int)], Option[(Boolean,
Int)]] {
--- End diff --
what's the expected schema after we apply an aggregator with
`Option[Product]` as buffer/output?
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