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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-963) Join in local mode matches null keys
Date Wed, 16 Sep 2009 04:08:57 GMT

    [ https://issues.apache.org/jira/browse/PIG-963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755868#action_12755868
] 

Hadoop QA commented on PIG-963:
-------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12419719/PIG-963.patch
  against trunk revision 815571.

    +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 appears to introduce 1 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/30/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/30/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/30/console

This message is automatically generated.

> Join in local mode matches null keys
> ------------------------------------
>
>                 Key: PIG-963
>                 URL: https://issues.apache.org/jira/browse/PIG-963
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>            Reporter: Pradeep Kamath
>            Assignee: Pradeep Kamath
>         Attachments: PIG-963.patch
>
>
> Semantics of join and cogroup dictate that null values for the keys from different inputs
are NOT supposed to match. This is true in map reduce mode but local mode incorrectly matches
these records.

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