mgaido91 commented on a change in pull request #23531: [SPARK-24497][SQL]
Support recursive SQL query
URL: https://github.com/apache/spark/pull/23531#discussion_r248239161
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala
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@@ -192,12 +192,17 @@ abstract class SparkPlan extends QueryPlan[SparkPlan]
with Logging with Serializ
*/
private var prepared = false
+ /**
+ * Don't prepare these children when preparing parent.
+ */
+ def doNotPrepareInAdvance: Seq[SparkPlan] = Nil
Review comment:
do we still need this?
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