maryannxue commented on a change in pull request #32816:
URL: https://github.com/apache/spark/pull/32816#discussion_r700729711
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/AQEUtils.scala
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@@ -57,4 +58,22 @@ object AQEUtils {
}
case _ => Some(UnspecifiedDistribution)
}
+
+ // Add an extra shuffle if input plan does not satisfy the required
distribution.
+ // This method is invoked after optimizing skewed join in case we change
final stage
+ // output partitioning.
+ def ensureRequiredDistribution(
Review comment:
Can we take advantage of `EnsureRequirements` here by passing it a root
distro requirement instead of using this adhoc logic?
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