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https://issues.apache.org/jira/browse/HIVE-623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emil Ibrishimov updated HIVE-623:
---------------------------------

    Attachment: HIVE-623.3.patch

OK, now I check it with a bit mask.

> Optimize length and reverse UDFs
> --------------------------------
>
>                 Key: HIVE-623
>                 URL: https://issues.apache.org/jira/browse/HIVE-623
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Emil Ibrishimov
>            Assignee: Emil Ibrishimov
>            Priority: Minor
>         Attachments: HIVE-623.1.patch, HIVE-623.2.patch, HIVE-623.3.patch
>
>
> Parse Text instead of converting to String in "length", "reverse" and other 
> UDFs.

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