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https://issues.apache.org/jira/browse/PIG-3257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13668705#comment-13668705
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Koji Noguchi commented on PIG-3257:
-----------------------------------
bq. I can't see how it would matter whether it produced random key X1 vs random
key X2 for any given record.
If used in mapreduce key, this can lead to incomplete/incorrect output when
mappers are retried.
> Add unique identifier UDF
> -------------------------
>
> Key: PIG-3257
> URL: https://issues.apache.org/jira/browse/PIG-3257
> Project: Pig
> Issue Type: Improvement
> Components: internal-udfs
> Reporter: Alan Gates
> Assignee: Alan Gates
> Fix For: 0.12
>
> Attachments: PIG-3257.patch
>
>
> It would be good to have a Pig function to generate unique identifiers.
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