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_r250921974
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
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@@ -144,6 +146,21 @@ abstract class LogicalPlan
case (a1, a2) => a1.semanticEquals(a2)
}
}
+
+ /**
+ * If a plan contains a RecursiveReference without an enclosing
RecursiveTable than it means an
Review comment:
I don't understand this. May you please provide an example? Anyway the
implementation looks hacky... but first let's check what's the problem here and
then we can try and find a better solution.
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