cloud-fan 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_r332433471
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/ReduceNumShufflePartitions.scala
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@@ -190,7 +190,7 @@ case class CoalescedShuffleReaderExec(
UnknownPartitioning(partitionStartIndices.length)
}
- private var cachedShuffleRDD: ShuffledRowRDD = null
+ private var cachedShuffleRDD: RDD[InternalRow] = null
Review comment:
why change this?
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