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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1172) PushDownForeachFlatten shall not push ForEach below Join if the flattened fields is used in Join
Date Fri, 25 Dec 2009 10:48:29 GMT

    [ https://issues.apache.org/jira/browse/PIG-1172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12794556#action_12794556
] 

Hadoop QA commented on PIG-1172:
--------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12428938/PIG-1172-1.patch
  against trunk revision 893827.

    +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-h8.grid.sp2.yahoo.net/163/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/163/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/163/console

This message is automatically generated.

> PushDownForeachFlatten shall not push ForEach below Join if the flattened fields is used
in Join
> ------------------------------------------------------------------------------------------------
>
>                 Key: PIG-1172
>                 URL: https://issues.apache.org/jira/browse/PIG-1172
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.6.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.6.0
>
>         Attachments: PIG-1172-1.patch
>
>
> Currently the following script will push B below D. But we will use fattened column in
the join, we cannot push that.
> A = load '1.txt' as (bg:bag{t:tuple(a0,a1)});
> B = FOREACH A generate flatten($0);
> C = load '3.txt' AS (c0, c1);
> D = JOIN B by a1, C by c1;
> E = limit D 10;
> explain E;

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