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https://issues.apache.org/jira/browse/PIG-1060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12779595#action_12779595
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Daniel Dai commented on PIG-1060:
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Patch looks good. Will commit to both trunk and 0.6 branch as it is.
> MultiQuery optimization throws error for multi-level splits
> -----------------------------------------------------------
>
> Key: PIG-1060
> URL: https://issues.apache.org/jira/browse/PIG-1060
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.5.0
> Reporter: Ankur
> Assignee: Richard Ding
> Attachments: PIG-1060.patch
>
>
> Consider the following scenario :-
> 1. Multi-level splits in the map plan.
> 2. Each split branch further progressing across a local-global rearrange.
> 3. Output of each of these finally merged via a UNION.
> MultiQuery optimizer throws the following error in such a case:
> "ERROR 2146: Internal Error. Inconsistency in key index found during
> optimization."
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