JkSelf commented on a change in pull request #25295: [SPARK-28560][SQL]
Optimize shuffle reader to local shuffle reader when smj converted to bhj in
adaptive execution
URL: https://github.com/apache/spark/pull/25295#discussion_r324500192
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/ReduceNumShufflePartitions.scala
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@@ -180,25 +180,45 @@ case class ReduceNumShufflePartitions(conf: SQLConf)
extends Rule[SparkPlan] {
case class CoalescedShuffleReaderExec(
child: QueryStageExec,
- partitionStartIndices: Array[Int]) extends UnaryExecNode {
+ partitionStartIndices: Array[Int],
+ var isLocal: Boolean = false) extends UnaryExecNode {
Review comment:
Ok, Got it. In order to make code more clear, I will create
`LocalShuffleReaderExec` later. Thanks.
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