Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/10735#discussion_r49666729
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala ---
@@ -106,7 +106,27 @@ abstract class SparkPlan extends QueryPlan[SparkPlan]
with Logging with Serializ
final def execute(): RDD[InternalRow] = {
RDDOperationScope.withScope(sparkContext, nodeName, false, true) {
prepare()
- doExecute()
+
+ if (sqlContext.conf.wholeStageEnabled && supportCodeGen
--- End diff --
It might be nice to actually make this a first class concept in the
planner. Perhaps a phase that collects valid nodes and replaces them with an
explicit operator called `WholeStageCodeGen` that holds all the operators that
are getting. I'm not sure how hard that would be, but it would make debugging
this a lot easier if it was visible from explain.
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