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https://issues.apache.org/jira/browse/HIVE-12721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15303293#comment-15303293
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Jeremy Beard commented on HIVE-12721:
-------------------------------------
I did it to mimic the existing built in functions, which for strings all seemed
to return Text. Looking again now I see a couple that return String but Text is
much more common.
> Add UUID built in function
> --------------------------
>
> Key: HIVE-12721
> URL: https://issues.apache.org/jira/browse/HIVE-12721
> Project: Hive
> Issue Type: Improvement
> Components: UDF
> Reporter: Jeremy Beard
> Assignee: Jeremy Beard
> Attachments: HIVE-12721.1.patch, HIVE-12721.2.patch, HIVE-12721.patch
>
>
> A UUID function would be very useful for ETL jobs that need to generate
> surrogate keys.
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