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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-995) Limit Optimizer throw exception "ERROR 2156: Error while fixing projections"
Date Thu, 08 Oct 2009 00:52:31 GMT

    [ https://issues.apache.org/jira/browse/PIG-995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763322#action_12763322
] 

Hadoop QA commented on PIG-995:
-------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12421587/PIG-995-1.patch
  against trunk revision 822382.

    +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 passed core unit tests.

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

Test results: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/65/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/65/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/65/console

This message is automatically generated.

> Limit Optimizer throw exception "ERROR 2156: Error while fixing projections"
> ----------------------------------------------------------------------------
>
>                 Key: PIG-995
>                 URL: https://issues.apache.org/jira/browse/PIG-995
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.3.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.6.0
>
>         Attachments: PIG-995-1.patch
>
>
> The following script fail:
> A = load '1.txt' AS (a0, a1, a2);
> B = order A by a1;
> C = limit B 10;
> D = foreach C generate $0;
> dump D;
> Error log:
> Caused by: org.apache.pig.impl.plan.VisitorException: ERROR 2156: Error while fixing
projections. Projection map of node to be replaced is null.
>         at org.apache.pig.impl.logicalLayer.ProjectFixerUpper.visit(ProjectFixerUpper.java:138)
>         at org.apache.pig.impl.logicalLayer.LOProject.visit(LOProject.java:408)
>         at org.apache.pig.impl.logicalLayer.LOProject.visit(LOProject.java:58)
>         at org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:65)
>         at org.apache.pig.impl.plan.DepthFirstWalker.walk(DepthFirstWalker.java:50)
>         at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51)
>         at org.apache.pig.impl.logicalLayer.LOForEach.rewire(LOForEach.java:761)

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