viirya commented on code in PR #118:
URL:
https://github.com/apache/arrow-datafusion-comet/pull/118#discussion_r1505325098
##########
spark/src/main/scala/org/apache/spark/sql/comet/operators.scala:
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@@ -149,6 +149,9 @@ abstract class CometNativeExec extends CometExec {
/**
* The serialized native query plan, optional. This is only defined when the
current node is the
* "boundary" node between native and Spark.
+ *
+ * Note that derived classes of `CometNativeExec` must have
`serializedPlanOpt` in last product
Review Comment:
Hmm, but when we iterate product element, we don't have its name. In Scala
2.13, there is `productElementNames` API, but we still have 2.12 support.
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