viirya commented on code in PR #1209:
URL: https://github.com/apache/datafusion-comet/pull/1209#discussion_r1900464627
##########
spark/src/main/scala/org/apache/comet/CometSparkSessionExtensions.scala:
##########
@@ -788,68 +788,82 @@ class CometSparkSessionExtensions
}
// Native shuffle for Comet operators
- case s: ShuffleExchangeExec
- if isCometShuffleEnabled(conf) &&
+ case s: ShuffleExchangeExec =>
+ val nativeShuffle: Option[SparkPlan] =
+ if (isCometShuffleEnabled(conf) &&
isCometNativeShuffleMode(conf) &&
- QueryPlanSerde.supportPartitioning(s.child.output,
s.outputPartitioning)._1 =>
- logInfo("Comet extension enabled for Native Shuffle")
-
- val newOp = transform1(s)
- newOp match {
- case Some(nativeOp) =>
- // Switch to use Decimal128 regardless of precision, since Arrow
native execution
- // doesn't support Decimal32 and Decimal64 yet.
- conf.setConfString(CometConf.COMET_USE_DECIMAL_128.key, "true")
- val cometOp = CometShuffleExchangeExec(s, shuffleType =
CometNativeShuffle)
- CometSinkPlaceHolder(nativeOp, s, cometOp)
- case None =>
- s
- }
+ QueryPlanSerde.supportPartitioning(s.child.output,
s.outputPartitioning)._1) {
+ val newOp = transform1(s)
+ newOp match {
+ case Some(nativeOp) =>
+ // Switch to use Decimal128 regardless of precision, since
Arrow native execution
+ // doesn't support Decimal32 and Decimal64 yet.
+ conf.setConfString(CometConf.COMET_USE_DECIMAL_128.key,
"true")
+ val cometOp = CometShuffleExchangeExec(s, shuffleType =
CometNativeShuffle)
+ Some(CometSinkPlaceHolder(nativeOp, s, cometOp))
+ case None =>
+ None
+ }
+ } else {
+ None
+ }
- // Columnar shuffle for regular Spark operators (not Comet) and Comet
operators
- // (if configured).
- // If the child of ShuffleExchangeExec is also a ShuffleExchangeExec,
we should not
- // convert it to CometColumnarShuffle,
- case s: ShuffleExchangeExec
- if isCometShuffleEnabled(conf) && isCometJVMShuffleMode(conf) &&
Review Comment:
Hmm, if it is auto mode, why this is not triggered?
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