Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/10735#discussion_r49828629
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala ---
@@ -137,6 +136,71 @@ abstract class SparkPlan extends QueryPlan[SparkPlan]
with Logging with Serializ
protected def doExecute(): RDD[InternalRow]
/**
+ * Whether this SparkPlan support whole stage codegen or not.
+ */
+ def supportCodegen: Boolean = false
--- End diff --
it would be better to use a trait to decorate this. Then we can easily
identify in IntelliJ what operators support codegen by looking at the type
hierarchy.
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