Pajaraja commented on code in PR #50546:
URL: https://github.com/apache/spark/pull/50546#discussion_r2040788341
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CTESubstitution.scala:
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@@ -255,6 +273,21 @@ object CTESubstitution extends Rule[LogicalPlan] {
outerCTEDefs
}
for ((name, relation) <- relations) {
+ // If recursion is allowed (RECURSIVE keyword specified)
+ // then it has higher priority than outer or previous relations.
Review Comment:
It references the inner non recursive one (just checked). The comment just
says that the recursive reference has a higher priority than the outer ones or
the ones within in the same WITH statement.
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