Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/993#discussion_r15333762
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/Generate.scala ---
@@ -47,23 +47,29 @@ case class Generate(
}
}
- override def output =
+ // This must be a val since the generator output expr ids are not
preserved by serialization.
+ override val output =
if (join) child.output ++ generatorOutput else generatorOutput
+ val boundGenerator = BindReferences.bindReference(generator,
child.output)
+
+ /** Codegenned rows are not serializable... */
--- End diff --
TODO?
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