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https://issues.apache.org/jira/browse/PIG-1926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated PIG-1926:
----------------------------
Description:
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
was:
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}
Labels: gsoc2011 (was: )
> 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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