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https://issues.apache.org/jira/browse/PIG-202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12592796#action_12592796
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Pi Song commented on PIG-202:
-----------------------------
1) The first quantile always being zero is something really has to be fixed.
2) The <= to < thing also helps a (very tiny) bit more to make the first bucket
the same size as others.
Theoretically, there should be some small performance gain due to (1)
I'm looking forward to seeing the result!!!
> ComparatorFunc provided to ORDER clause is not always honoured
> --------------------------------------------------------------
>
> Key: PIG-202
> URL: https://issues.apache.org/jira/browse/PIG-202
> Project: Pig
> Issue Type: Bug
> Reporter: Mathieu Poumeyrol
> Attachments: EvalSpec.patch, InstantiateFunc.patch,
> MapreducePlanCompiler.patch, quantiles.in, quantiles.pig, Sort.patch,
> Sort.v2.patch, TestOderBy.patch
>
>
> Specifying a comparator function is acknowledge neither by local
> implementation, nor by quartile lookup job.
> Patch coming soon.
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