andygrove commented on a change in pull request #33624:
URL: https://github.com/apache/spark/pull/33624#discussion_r682088051
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/AdaptiveSparkPlanExec.scala
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@@ -65,7 +65,8 @@ case class AdaptiveSparkPlanExec(
inputPlan: SparkPlan,
@transient context: AdaptiveExecutionContext,
@transient preprocessingRules: Seq[Rule[SparkPlan]],
- @transient isSubquery: Boolean)
+ @transient isSubquery: Boolean,
+ @transient outputColumnar: Boolean = false)
Review comment:
I like the idea of adding this parameter but I'm not understanding how
this would get set to `true`, especially from a Spark plugin. It looks like
new instances of `AdaptiveSparkPlanExec` are only created by the
`InsertAdaptiveSparkPlan` rule and that does not explicitly specify a value for
`outputColumnar` in this PR. Would a plugin need to replace this rule with a
custom version perhaps?
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