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Date: Mon, 12 Aug 2013 11:15:48 +0000 (UTC)
From: "Teddy Choi (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12660154.1374879800990.45285.1376306148713@arcas>
In-Reply-To: <JIRA.12660154.1374879800990@arcas>
References: <JIRA.12660154.1374879800990@arcas>
Subject: [jira] [Commented] (HIVE-4945) Make RLIKE/REGEXP run end-to-end by
 updating VectorizationContext
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    [ https://issues.apache.org/jira/browse/HIVE-4945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13736761#comment-13736761 ] 

Teddy Choi commented on HIVE-4945:
----------------------------------

While writing this code, I found that even if the query was not running with vectorization expressions, it returns the same .q.out file. So it makes hard to check that vectorization expressions were used or not.

There is a way to check it. If vectorized expressions were used, ExecDriver#job#getMapperClass() returns VectorExecMapper#class after calling ExecDriver#execute(). Otherwise, getMapperClass() returns ExecMapper#class.
                
> Make RLIKE/REGEXP run end-to-end by updating VectorizationContext
> -----------------------------------------------------------------
>
>                 Key: HIVE-4945
>                 URL: https://issues.apache.org/jira/browse/HIVE-4945
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: vectorization-branch
>            Reporter: Eric Hanson
>         Attachments: HIVE-4945.1.patch.txt
>
>


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