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https://issues.apache.org/jira/browse/PIG-3430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13758283#comment-13758283
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Jeremy Karn commented on PIG-3430:
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Fix two small bugs:
* Not closing the plan tag when the logical plan is empty
* The MRExecutionEngine was closing the output streams, even when it wasn't the
one that opened them, which meant the closing plan tag wasn't being written out.
> Add xml format for explaining MapReduce Plan.
> ---------------------------------------------
>
> Key: PIG-3430
> URL: https://issues.apache.org/jira/browse/PIG-3430
> Project: Pig
> Issue Type: New Feature
> Reporter: Jeremy Karn
> Fix For: 0.12
>
> Attachments: PIG-3430-2.patch, PIG-3430-3.patch, PIG-3430.patch
>
>
> At Mortar we needed an easy way to store/parse a script's map reduce plan.
> We added an xml output format for the MapReduce plan to make this easier. We
> also added a flag to keep track of if each store or load was from the
> original script (and associated with an alias) or if its a temporary
> store/load generated by Pig.
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