mgaido91 commented on a change in pull request #22957: [SPARK-25951][SQL]
Ignore aliases for distributions and orderings
URL: https://github.com/apache/spark/pull/22957#discussion_r242083672
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File path: sql/core/src/test/scala/org/apache/spark/sql/DatasetSuite.scala
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@@ -1549,6 +1551,38 @@ class DatasetSuite extends QueryTest with
SharedSQLContext {
Seq(Row("Amsterdam")))
}
+ test("SPARK-25951: avoid redundant shuffle on rename") {
Review comment:
> Looking at this test case, it seems updating the outputPartitioning
according to the project list is good enough?
Basically, that is what is done. The diff is quite big, that's true, but
mostly are tests. Is there something specific you are worried about?
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