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From "Gianmarco De Francisci Morales (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-1926) Sample/Limit should take scalar
Date Tue, 29 Mar 2011 11:00:07 GMT

    [ https://issues.apache.org/jira/browse/PIG-1926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13012424#comment-13012424
] 

Gianmarco De Francisci Morales commented on PIG-1926:
-----------------------------------------------------

Hi, I have drafted my proposal for this project.
I assumed Daniel would be the mentor.

http://socghop.appspot.com/gsoc/proposal/review/google/gsoc2011/azaroth/1

Any comment is highly appreciated.

> Sample/Limit should take scalar
> -------------------------------
>
>                 Key: PIG-1926
>                 URL: https://issues.apache.org/jira/browse/PIG-1926
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Daniel Dai
>              Labels: gsoc2011
>
> Currently, Limit, Sample only takes a constant. It would be better we can use a scalar
in the place of constant. Eg:
> {code}
> a = load 'a.txt';
> b = group a by all;
> c = foreach b generate COUNT(*) as sum;
> d = order a by $0;
> e = limit d c.sum/100;
> {code}
> This is a candidate project for Google summer of code 2011. More information about the
program can be found at http://wiki.apache.org/pig/GSoc2011

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