Github user chenghao-intel commented on the pull request:
https://github.com/apache/spark/pull/5538#issuecomment-94633954
@DoingDone9 Not like Hive, I don't think Spark SQL supports the `local
mode`, the UDF definitely will run within executor(s), or, we can transform it
into an `ExecuteCommand`.
e.g.
`SHOW currentDB` (just an example, not mean we have to do it in this way.)
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