[jira] [Resolved] (PIG-5224) Extra foreach from ColumnPrune preventing Accumulator usage

["Koji Noguchi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-5224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Koji Noguchi resolved PIG-5224.
-------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 0.17.0

Thanks for the review Daniel! 

Committed pig-5224-v2.patch to trunk.

> Extra foreach from ColumnPrune preventing Accumulator usage
> -----------------------------------------------------------
>
>                 Key: PIG-5224
>                 URL: https://issues.apache.org/jira/browse/PIG-5224
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Koji Noguchi
>            Assignee: Koji Noguchi
>             Fix For: 0.17.0
>
>         Attachments: pig-5224-v0-testonly.patch, pig-5224-v1.patch, pig-5224-v2.patch
>
>
> {code}
> A = load 'input' as (id:int, fruit);
> B = foreach A generate id; -- to enable columnprune
> C = group B by id;
> D = foreach C {
>     o = order B by id;
>     generate org.apache.pig.test.utils.AccumulatorBagCount(o);
> }
> STORE D into ...
> {code}
> Pig fails to use Accumulator interface for this UDF.



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