cloud-fan commented on code in PR #45321:
URL: https://github.com/apache/spark/pull/45321#discussion_r1507029741
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/AnalysisHelper.scala:
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@@ -222,15 +222,23 @@ trait AnalysisHelper extends QueryPlan[LogicalPlan] {
self: LogicalPlan =>
}
/**
- * Recursively transforms the expressions of a tree, skipping nodes that
have already
+ * Recursively top-down transforms the expressions of a tree, skipping nodes
that have already
Review Comment:
The doc intentionally not mention the traversal order, as caller of this
method should not care about it. If they care, they should call the up or down
version.
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