Sriranjan Manjunath updated PIG-890:

    Attachment: sampler.patch

Made some constants static to clear the findbugs warnings. This patch does not 
warrant a new test case since it only affects the performance of the skewed 
join sampler and SkewedJoin test case already handles the correctness of the 

> Create a sampler interface and improve the skewed join sampler
> --------------------------------------------------------------
>                 Key: PIG-890
>                 URL: https://issues.apache.org/jira/browse/PIG-890
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Sriranjan Manjunath
>         Attachments: sampler.patch
> We need a different sampler for order by and skewed join. We thus need a 
> better sampling interface. The design of the same is described here: 
> http://wiki.apache.org/pig/PigSampler

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