Github user chenghao-intel commented on the pull request:
https://github.com/apache/spark/pull/5880#issuecomment-108202376
Hmm, seems a bug in Spark 1.2, will cause some performance overhead
(creating the HiveConf object everytime), but, we should always initialize the
`SessionState` before the HiveQL called.
`sessionState` is a `lazy val` variable of `HiveContext`, and does not
initialize even the `.sql()` method called. A better place to fix that will be
trigger the initialization prior to the `sql()`, I think it has been fixed in
the latest code, can you confirm that?
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