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From "Hien Luu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2166) UDFs to join a bag
Date Thu, 31 May 2012 04:40:26 GMT

    [ https://issues.apache.org/jira/browse/PIG-2166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13286311#comment-13286311
] 

Hien Luu commented on PIG-2166:
-------------------------------

I ran in a problem when trying to generate test data using the command "ant -Dharness.old.pig=old_pig
-Dharness.cluster.conf=hadoop_conf_dir -Dharness.cluster.bin=hadoop_script test-e2e-deploy"
on https://cwiki.apache.org/confluence/display/PIG/HowToTest page.

Can't locate IPC/Run.pm in @INC (@INC contains: . . . ./libexec . . ./libexec /Library/Perl/Updates/5.10.0
/System/Library/Perl/

Then I tried to install IPC::Run perl module and ran into another error.

On cpan.org, there is paragraph:
"OSX comes with Perl pre-installed, in order to build and install your own modules you will
need to install the 'developer' package which can be found on your OSX install DVD (you only
need the 'unix tools'). Once you have done this you can use all of the tools mentioned above."

Do you know the 'developer' package it is talking about?

BTW, I am on Mac OSX.

Thanks,

Hien
                
> UDFs to join a bag
> ------------------
>
>                 Key: PIG-2166
>                 URL: https://issues.apache.org/jira/browse/PIG-2166
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Daniel Dai
>            Assignee: Hien Luu
>            Priority: Minor
>              Labels: newbie, simple
>         Attachments: bagtotuplestring.diff
>
>
> Get several request for a UDF to flatten a bag. Seems reasonable to create one in builtin:
> 1. BagToTuple: {(a),(b),(c)} -> (a,b,c)
> 2. BagToString(delimit="_"): {(a),(b),(c) -> "a_b_c"

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