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https://issues.apache.org/jira/browse/PIG-3435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Koji Noguchi updated PIG-3435:
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Attachment: pig-3435-v01.patch
Looking at the multi-query optimization code and documents. I chickened out.
Taking the same approach as PIG-1108 and simply skipping the MR jobs with
custom partitioner.
Attaching the test case soon.
> Custom Partitioner not working with MultiQueryOptimizer
> -------------------------------------------------------
>
> Key: PIG-3435
> URL: https://issues.apache.org/jira/browse/PIG-3435
> Project: Pig
> Issue Type: Bug
> Components: impl
> Reporter: Koji Noguchi
> Assignee: Koji Noguchi
> Attachments: pig-3435-v01.patch
>
>
> When looking at PIG-3385, noticed some issues in handling of custom
> partitioner with multi-query optimization.
> {noformat}
> C1 = group B1 by col1 PARTITION BY
> org.apache.pig.test.utils.SimpleCustomPartitioner parallel 2;
> C2 = group B2 by col1 PARTITION BY
> org.apache.pig.test.utils.SimpleCustomPartitioner parallel 2;
> {noformat}
> This seems to be merged to one mapreduce job correctly but custom partitioner
> information was lost.
> {noformat}
> C1 = group B1 by col1 PARTITION BY
> org.apache.pig.test.utils.SimpleCustomPartitioner parallel 2;
> C2 = group B2 by col1 parallel 2;
> {noformat}
> This seems to be merged even though they should run on two different
> partitioner.
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