ulysses-you commented on code in PR #6093:
URL: https://github.com/apache/incubator-gluten/pull/6093#discussion_r1650761907
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gluten-core/src/main/scala/org/apache/gluten/extension/columnar/OffloadSingleNode.scala:
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@@ -181,7 +157,38 @@ case class OffloadJoin() extends OffloadSingleNode with
LogLevelUtil {
case other => other
}
}
+}
+
+case class OffloadSortMergeJoin() extends OffloadSingleNode with LogLevelUtil {
+ override def offload(plan: SparkPlan): SparkPlan = {
+ if (TransformHints.isNotTransformable(plan)) {
+ logDebug(s"Columnar Processing for ${plan.getClass} is under row guard.")
+ return plan
+ }
+ plan match {
+ case plan: SortMergeJoinExec =>
+ OffloadSortMergeJoin.transformSortMergeJoinExec(plan)
Review Comment:
I mean we can add a rule to convert `SortMergeJoinExec` to
`ShuffledHashJoinExec`. So that we do not need to check
`forceShuffledHashJoin` here and there.
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