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https://issues.apache.org/jira/browse/PIG-1127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12786352#action_12786352
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Hadoop QA commented on PIG-1127:
--------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12426964/PIG-1127-1.patch
  against trunk revision 887401.

    +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 does not increase the total number of 
release audit warnings.

    -1 core tests.  The patch failed core unit tests.

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

Test results: 
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/94/testReport/
Findbugs warnings: 
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/94/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: 
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/94/console

This message is automatically generated.

> Logical operator should contains individual copy of schema object
> -----------------------------------------------------------------
>
>                 Key: PIG-1127
>                 URL: https://issues.apache.org/jira/browse/PIG-1127
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.6.0
>
>         Attachments: PIG-1127-1.patch, PIG-1127-2.patch
>
>
> Currently some logical operator only contains a schema reference to the 
> predecessor's schema object. These logical operators include: LOSplitOutput, 
> LOLimit, LOSplit, LOFilter, LOSort, LODistinct, LOUnion. It is ok in the 
> before because we do not change schema object once it is set. Now with the 
> column pruner (PIG-922), we need to change individual schema object so it is 
> no longer acceptable. For example, the following script fail:
> {code}
> a = load '1.txt' as (a0, a1:map[], a2);
> b = foreach a generate a1;
> c = limit b 10;
> dump c;
> {code}
> We need to fix it.

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