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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-5278) Move some string UDFs to GenericUDFs, for better varchar support
Date Tue, 17 Sep 2013 20:25:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13769892#comment-13769892
] 

Thejas M Nair commented on HIVE-5278:
-------------------------------------

Patch committed to 0.12 branch.
                
> Move some string UDFs to GenericUDFs, for better varchar support
> ----------------------------------------------------------------
>
>                 Key: HIVE-5278
>                 URL: https://issues.apache.org/jira/browse/HIVE-5278
>             Project: Hive
>          Issue Type: Improvement
>          Components: Types, UDF
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>             Fix For: 0.12.0
>
>         Attachments: D12909.1.patch, HIVE-5278.1.patch, HIVE-5278.2.patch, HIVE-5278.v12.1.patch
>
>
> To better support varchar/char types in string UDFs, select UDFs should be converted
to GenericUDFs. This allows the UDF to return the resulting char/varchar length in the type
metadata.
> This work is being split off as a separate task from HIVE-4844. The initial UDFs as part
of this work are concat/lower/upper.

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