HyukjinKwon commented on a change in pull request #29283:
URL: https://github.com/apache/spark/pull/29283#discussion_r462692911
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File path: docs/sparkr.md
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@@ -681,12 +681,12 @@ The current supported minimum version is 1.0.0; however,
this might change betwe
Arrow
HyukjinKwon commented on a change in pull request #29283:
URL: https://github.com/apache/spark/pull/29283#discussion_r462136305
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File path: sql/core/src/main/scala/org/apache/spark/sql/execution/objects.scala
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@@ -567,7 +567,14 @@ case class FlatMapGroupsInRWithArrowExec(