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https://issues.apache.org/jira/browse/PHOENIX-1558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14259456#comment-14259456
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James Taylor commented on PHOENIX-1558:
---------------------------------------

Is the PigStorer and Loader on top of the new InputFormat and OutputFormat or 
is the code duplicated? If duplicated, should we deprecate the PigStorer and 
Loader? What was the purpose of the PhoenixPigConfiguration class before and 
what is it replaced with now?

One more minor tweak, as select distinct isn't supported either:
{code}
>Note: The SELECT query must not perform any aggregation or use DISTINCT as 
>these are not supported by our map-reduce integration.
{code}


> Document map-reduce integration
> -------------------------------
>
>                 Key: PHOENIX-1558
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1558
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>            Assignee: maghamravikiran
>         Attachments: phoenix mr.md, phoenix_mr.1.md, phoenix_mr.2.md
>
>
> We should document our most excellent map-reduce integration.



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