Github user marmbrus commented on the pull request:
https://github.com/apache/spark/pull/948#issuecomment-45004169
Thanks for looking into this! Just a thought: what do you think about
instead putting a method called `process()` or something into QueryExecution.
That way we wouldn't have to duplicate the logic in two places, and subclasses
of QueryExecution could also override it if there were special cases?
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