Hadoop QA commented on PIG-644:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 826110.

    +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 307 release audit warnings 
(more than the trunk's current 305 warnings).

    -1 core tests.  The patch failed 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.

> Duplicate column names in foreach do not throw parser error
> -----------------------------------------------------------
>                 Key: PIG-644
>                 URL: https://issues.apache.org/jira/browse/PIG-644
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.4.0
>            Reporter: Viraj Bhat
>            Assignee: Daniel Dai
>             Fix For: 0.6.0
>         Attachments: blah.txt, PIG-644-1.patch
> Consider the following Pig script where we generate column names b and b in 
> {code}
> DATA = LOAD 'blah.txt' as (a:long, b:long);
> RESULT = FOREACH DATA GENERATE a, b, (b>20?b:0) as b;
> dump RESULT;
> {code}
> Pig runs the script successfully and does not complain of the duplicate 
> column names.  I do not know if the new error handling framework will handle 
> these kinds of cases. 

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