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_r247440719
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala
##########
@@ -47,6 +48,41 @@ case class Subquery(child: LogicalPlan) extends
OrderPreservingUnaryNode {
override def output: Seq[Attribute] = child.output
}
+case class RecursiveTable(
+ name: String,
+ anchorTerm: LogicalPlan,
+ recursiveTerm: LogicalPlan,
+ levelLimit: Int) extends LogicalPlan {
Review comment:
why do we need to store the `levelLimit` here?
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