Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/23127#discussion_r236017398
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/WholeStageCodegenExec.scala
---
@@ -406,14 +415,39 @@ trait BlockingOperatorWithCodegen extends
CodegenSupport {
override def limitNotReachedChecks: Seq[String] = Nil
}
+/**
+ * Leaf codegen node reading from a single RDD.
+ */
+trait InputRDDCodegen extends CodegenSupport {
--- End diff --
Should we reconcile this with the code gen for `RowDataSourceScanExec`?
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