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https://issues.apache.org/jira/browse/PIG-2443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13174508#comment-13174508
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Jonathan Coveney commented on PIG-2443:
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I don't think it's too confusing, I would just explicitly state the purpose of
the UDF. It is a fair one, and is something that I've done manually before, so
I think it makes sense to ask. Just document the purpose, and more importantly,
what it doesn't do.
> [Piggybank] Add UDFs to check if a String is an Integer And if a String is
> Numeric
> ----------------------------------------------------------------------------------
>
> Key: PIG-2443
> URL: https://issues.apache.org/jira/browse/PIG-2443
> Project: Pig
> Issue Type: New Feature
> Components: piggybank
> Reporter: Prashant Kommireddi
> Assignee: Prashant Kommireddi
> Attachments: isIntNumeric.patch, isIntNumeric.patch
>
>
> UDF that could be used to check if a String is numeric (or an Integer).
> Several tools such as Splunk, AbInitio have this UDF built-in and companies
> making an effort to move to Hadoop/Pig could use this.
> Use Case:
> In raw logs there are certain filters/conditions applied based on whether a
> particular field/value is numeric or not. For eg, SPLIT A INTO CATEGORY1 IF
> IsInt($0), CATEGORY2 IF !IsInt($0);
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