rluvaton commented on code in PR #1793:
URL: https://github.com/apache/datafusion-comet/pull/1793#discussion_r2109431765
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spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala:
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@@ -2406,19 +2406,19 @@ object QueryPlanSerde extends Logging with
CometExprShim {
// TODO this could be optimized more to stop walking the tree on
hitting
// certain operators such as join or aggregate which will copy
batches
- def containsNativeCometScan(plan: SparkPlan): Boolean = {
+ def containsNonDataFusionScan(plan: SparkPlan): Boolean = {
plan match {
- case w: CometScanWrapper =>
containsNativeCometScan(w.originalPlan)
- case scan: CometScanExec => scan.scanImpl ==
CometConf.SCAN_NATIVE_COMET
+ case _: CometScanWrapper => true
+ case scan: CometScanExec => scan.scanImpl !=
CometConf.SCAN_NATIVE_DATAFUSION
case _: CometNativeScanExec => false
- case _ => plan.children.exists(containsNativeCometScan)
+ case _ => plan.children.isEmpty ||
plan.children.exists(containsNonDataFusionScan)
Review Comment:
exists return false for empty children as it means that this is the data
source, right? and if so it using the ScanExec of rust and not ScanExec of
DataFusion
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