Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/18839
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GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/18839
[SPARK-21634][SQL] Change OneRowRelation from a case object to case class
## What changes were proposed in this pull request?
OneRowRelation is the only plan that is a case object, which causes
