cloud-fan commented on a change in pull request #32816:
URL: https://github.com/apache/spark/pull/32816#discussion_r696350387
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/AQEUtils.scala
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@@ -57,4 +58,20 @@ 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(
+ plan: SparkPlan, distribution: Option[Distribution]): SparkPlan =
distribution match {
Review comment:
nit: can we pass in the `conf` as a parameter?
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