karuppayya commented on a change in pull request #28804:
URL: https://github.com/apache/spark/pull/28804#discussion_r466748202
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/HashAggregateExec.scala
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@@ -680,6 +688,16 @@ case class HashAggregateExec(
private def doProduceWithKeys(ctx: CodegenContext): String = {
Review comment:
There will be only one key for the map inwithout-key case and the
optimization will not apply.
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