Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/11141#discussion_r52547839
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/ExistingRDD.scala ---
@@ -118,6 +121,32 @@ private[sql] case class PhysicalRDD(
val metadataEntries = for ((key, value) <- metadata.toSeq.sorted)
yield s"$key: $value"
s"Scan $nodeName${output.mkString("[", ",",
"]")}${metadataEntries.mkString(" ", ", ", "")}"
}
+
+ // Support codegen so that we can avoid the UnsafeRow conversion in all
cases. Codegen
+ // never requires UnsafeRow as input.
+ override def supportCodegen: Boolean = true
--- End diff --
It's true by default in CodegenSupport
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