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https://issues.apache.org/jira/browse/PIG-2551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13228737#comment-13228737
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Dmitriy V. Ryaboy commented on PIG-2551:
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Jon, describe the benchmark methodology?
> Create an AlgebraicEvalFunc and AccumulatorEvalFunc abstract class which
> gives you the lower levels for free
> ------------------------------------------------------------------------------------------------------------
>
> Key: PIG-2551
> URL: https://issues.apache.org/jira/browse/PIG-2551
> Project: Pig
> Issue Type: Improvement
> Reporter: Jonathan Coveney
> Assignee: Jonathan Coveney
> Priority: Minor
> Fix For: 0.11
>
> Attachments: PIG-2551-0.patch, PIG-2551-1.patch
>
>
> This is more of a win for the Algebraic interface than the Accumulator
> interface, but the idea is that if you implement the Algebraic interface, you
> should get Accumulator/EvalFunc for free, and if you implement Accumulator,
> you should get EvalFunc for free. The win of this is that in cases such as
> JRuby, you don't have to muck around doing this yourself...you have them
> implement the algebraic portion, and the rest comes free (that is where this
> came out of, but I feel like it is generally useful enough).
> The next piece of work I'd like to do is making an easier to implement way to
> make Algebraic UDFs, but then again, my to do is huge :) Would love thoughts
> on this. If it doesn't make it into Pig, it's still going to come in the
> JRuby stuff, so I thought it'd at least be worth having it separate, tested,
> and available to everyone.
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