[jira] [Updated] (HIVE-5278) Move some string UDFs to GenericUDFs, for better varchar support

["Jason Dere (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Dere updated HIVE-5278:
-----------------------------

    Attachment: HIVE-5278.1.patch

Attaching patch v1
Posted review at https://reviews.facebook.net/D12909
                
> 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
>         Attachments: HIVE-5278.1.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.
> NO PRECOMMIT TESTS - dependent on HIVE-4844

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