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From "Prashant Kommireddi (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-2443) [Piggybank] Add UDFs to check if a String is an Integer And if a String is Numeric
Date Wed, 21 Dec 2011 10:01:31 GMT

     [ https://issues.apache.org/jira/browse/PIG-2443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Prashant Kommireddi updated PIG-2443:

    Attachment: isIntNumeric.patch
> [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
> 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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