Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/10393#discussion_r48114994
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/Generate.scala ---
@@ -51,9 +52,12 @@ case class Generate(
join: Boolean,
outer: Boolean,
output: Seq[Attribute],
+ generatorOutput: Seq[Attribute],
child: SparkPlan)
extends UnaryNode {
+ override def missingInput: AttributeSet = super.missingInput --
generatorOutput
+
--- End diff --
You can use the same approach in logical.Generate, i.e.,
override def expressions: Seq[Expression] = generator :: Nil
to solve this issue. Then you don't need to modify SparkStrategies.
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