Hadoop QA commented on PIG-1060:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 833126.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    -1 release audit.  The applied patch generated 319 release audit warnings 
(more than the trunk's current 318 warnings).

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: 
Release audit warnings: 
Findbugs warnings: 
Console output: 

This message is automatically generated.

> 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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