Github user MichaelChirico commented on the issue: https://github.com/apache/spark/pull/22393 @felixcheung done <img width="1018" alt="screen shot 2018-09-16 at 3 15 06 pm" src="https://user-images.githubusercontent.com/7606389/45593911-617ad000-b9c3-11e8-892a-4690396b66a1.png"> <img width="1021" alt="screen shot 2018-09-16 at 3 16 00 pm" src="https://user-images.githubusercontent.com/7606389/45593914-73f50980-b9c3-11e8-93be-842012cbdafe.png">
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