cloud-fan commented on code in PR #50230:
URL: https://github.com/apache/spark/pull/50230#discussion_r2037329689
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core/src/main/scala/org/apache/spark/Dependency.scala:
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@@ -83,9 +85,30 @@ class ShuffleDependency[K: ClassTag, V: ClassTag, C:
ClassTag](
val keyOrdering: Option[Ordering[K]] = None,
val aggregator: Option[Aggregator[K, V, C]] = None,
val mapSideCombine: Boolean = false,
- val shuffleWriterProcessor: ShuffleWriteProcessor = new
ShuffleWriteProcessor)
+ val shuffleWriterProcessor: ShuffleWriteProcessor = new
ShuffleWriteProcessor,
+ val rowBasedChecksums: Array[RowBasedChecksum] = Array.empty)
Review Comment:
`Array.empty` is not a constant but a function. Shall we create a constant
of empty `Array[RowBasedChecksum]` in `object ShuffleDependency`?
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