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From "Harish Butani (JIRA)" <>
Subject [jira] [Commented] (HIVE-3729) Error in groupSetExpression rule in Hive grammar
Date Wed, 21 Nov 2012 16:21:58 GMT


Harish Butani commented on HIVE-3729:

Fix is to remove the reference to groupByExpression in the empty groupingSet alternative.

This doesn't fix the warnings because of the multiple alternatives. 
Looked at the NFA in Antlrworks; appears to me that antlr will do the right thing anyways.
So this is a cosmetic issue.  But someone else should look at it also.
> Error in groupSetExpression rule in Hive grammar
> ------------------------------------------------
>                 Key: HIVE-3729
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.10.0
>         Environment: All
>            Reporter: Harish Butani
>            Priority: Minor
>             Fix For: 0.10.0
>   Original Estimate: 5m
>  Remaining Estimate: 5m
> Here is the error:
> Hive.g:1902:38: reference to rewrite element groupByExpression without reference on left
of ->

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