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From "Cheolsoo Park (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-2929) CONCAT returns null when 1 items is null
Date Thu, 27 Sep 2012 17:54:09 GMT

     [ https://issues.apache.org/jira/browse/PIG-2929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Cheolsoo Park updated PIG-2929:

    Status: Patch Available  (was: Open)
> CONCAT returns null when 1 items is null
> ----------------------------------------
>                 Key: PIG-2929
>                 URL: https://issues.apache.org/jira/browse/PIG-2929
>             Project: Pig
>          Issue Type: Bug
>          Components: documentation, internal-udfs
>    Affects Versions: 0.9.2, 0.9.1, 0.9.0
>            Reporter: Nicholas Verbeck
>            Assignee: Cheolsoo Park
>             Fix For: 0.11
>         Attachments: PIG-2929-2.patch, PIG-2929.patch
> Just stumbled upon this issue over the weekend. It appears the built-in CONCAT function
will return null in the advent of 1 item in the Tuple being null. If this is as intended it
would be nice if the docs made note of this. Otherwise it would be nice if nulls where just
skipped and a proper string of what was left was returned. If all items are null then just
return null in that case.

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