peter-toth commented on a change in pull request #23531: [SPARK-24497][SQL]
Support recursive SQL query
URL: https://github.com/apache/spark/pull/23531#discussion_r247537146
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala
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@@ -591,7 +591,8 @@ object FoldablePropagation extends Rule[LogicalPlan] {
} else {
CleanupAliases(plan.transformUp {
// We can only propagate foldables for a subset of unary nodes.
- case u: UnaryNode if foldableMap.nonEmpty && canPropagateFoldables(u)
=>
+ case u: UnaryNode if foldableMap.nonEmpty && canPropagateFoldables(u)
Review comment:
I reverted this part and changed `ResolveRecursiveReferneces` to use new
attributes.
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