Github user chenghao-intel commented on the pull request: https://github.com/apache/spark/pull/5880#issuecomment-107977413 Oh, thanks for noticing this. But the answer is not necessary! In user application, the `HiveContext` will create the `SessionState` (indirectly) before `SQLParser` being called/created, and then `val ss = SessionState.get()` will always be non-null. The reason that I put the `new HiveConf()` is for unit test purpose for `HiveQl`, which can run independently without `HiveContext` being initialized. Sorry, I should put more comment here.
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