viirya commented on a change in pull request #32932:
URL: https://github.com/apache/spark/pull/32932#discussion_r656512718
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/exchange/ShuffleExchangeExec.scala
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@@ -97,6 +97,10 @@ case object REPARTITION_BY_NUM extends ShuffleOrigin
// reader.
case object REPARTITION_BY_NONE extends ShuffleOrigin
+// Indicates that the shuffle operator was not guaranteed the output
partitioning so Spark
+// can try to optimize the partition number in AQE framework.
+case object ADAPTIVE_REPARTITION extends ShuffleOrigin
Review comment:
yea, sounds like it is overlapping with `REPARTITION_BY_NONE` somehow?
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