maropu commented on a change in pull request #30373:
URL: https://github.com/apache/spark/pull/30373#discussion_r528260491
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/QueryExecution.scala
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@@ -343,8 +343,10 @@ object QueryExecution {
PlanDynamicPruningFilters(sparkSession),
PlanSubqueries(sparkSession),
RemoveRedundantProjects,
- RemoveRedundantSorts,
EnsureRequirements,
+ // `RemoveRedundantSorts` needs to be added before `EnsureRequirements`
to guarantee the same
Review comment:
Ah, I missed it. @allisonwang-db could you fix it?
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