Github user yhuai commented on a diff in the pull request: https://github.com/apache/spark/pull/10731#discussion_r49961674 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala --- @@ -438,11 +438,25 @@ class Analyzer( } j.copy(right = newRight) } - // When resolve `SortOrder`s in Sort based on child, don't report errors as // we still have chance to resolve it based on grandchild - case s @ Sort(ordering, global, child) if child.resolved && !s.resolved => - val newOrdering = resolveSortOrders(ordering, child, throws = false) + case s @ Sort(ordering, global, child) if child.resolved => --- End diff -- Should we keep the `&& !s.resolved` in the condition and have another case to handle the case of all literals?
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