cloud-fan 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_r242187923
##########
File path: sql/core/src/test/scala/org/apache/spark/sql/DatasetSuite.scala
##########
@@ -1549,6 +1551,38 @@ class DatasetSuite extends QueryTest with
SharedSQLContext {
Seq(Row("Amsterdam")))
}
+ test("SPARK-25951: avoid redundant shuffle on rename") {
Review comment:
I'm worried about `Expression.sameResult`. Is it still useful after updating
the outputPartitioning according to the project list?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
