Github user holdenk commented on a diff in the pull request:
https://github.com/apache/spark/pull/22010#discussion_r209340344
--- Diff: core/src/test/scala/org/apache/spark/rdd/RDDSuite.scala ---
@@ -95,6 +95,18 @@ class RDDSuite extends SparkFunSuite with
SharedSparkContext {
assert(!deserial.toString().isEmpty())
}
+ test("distinct with known partioner does not cause shuffle") {
--- End diff --
Thanks!
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