Github user MichaelChirico commented on the issue: https://github.com/apache/spark/pull/22370 @felixcheung thanks for the feedback, yes, I axed `registerTempTable` from the `SparkDataFrame `@family`. Sorry I botched an attempt to try and rename the branch of this PR (apparently not possible to overwrite this PR with a new branch name); PR re-filed as #22393
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