Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/11064#discussion_r51814458
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/PlannerSuite.scala ---
@@ -223,6 +222,18 @@ class PlannerSuite extends SharedSQLContext {
}
}
+ test("collapse adjacent repartitions") {
--- End diff --
Decided to leave this here for now; this test isn't likely to be brittle
and we don't really need other more complex tests for this feature, so it's
fine to have a somewhat more end-to-end whole-optimizer test for this here.
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