Github user marmbrus commented on the pull request:
https://github.com/apache/spark/pull/3149#issuecomment-62189648
Good catch guys, and thanks for adding a test.
The comment on `toRdd` has always been `/** Internal version of the RDD.
Avoids copies and has no schema */` so it was kind of confusing that this was
different for Hive.
I think the right solution here is to avoid using the internal
`queryExecution` API from the thrift server and instead just call `.collect()`
on `resultRdd`.
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