[GitHub] [spark] HyukjinKwon commented on a change in pull request #35334: [SPARK-38034][SQL] Optimize TransposeWindow rule

[GitBox <gi...@apache.org>]

HyukjinKwon commented on a change in pull request #35334:
URL: https://github.com/apache/spark/pull/35334#discussion_r798138098



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File path: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/TransposeWindowSuite.scala
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@@ -142,4 +142,20 @@ class TransposeWindowSuite extends PlanTest {
     comparePlans(optimized, analyzed)
   }
 
+  test("transpose two adjacent windows with compatible partitions which is not a prefix") {

Review comment:
       quick question, did this fail before? I thought that PR proposes a perf improvement.




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