viirya commented on code in PR #118:
URL:
https://github.com/apache/arrow-datafusion-comet/pull/118#discussion_r1505325555
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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:
Although we can get all its fields by reflection like `getDeclaredFields`,
its order is not same as product element order which we need.
EDIT: I'm not sure actually abou the order as I don't see any document
claims they are same. But I find some using it.
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