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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1267) Problems with partition filter optimizer
Date Tue, 02 Mar 2010 04:39:27 GMT

    [ https://issues.apache.org/jira/browse/PIG-1267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12840007#action_12840007
] 

Hadoop QA commented on PIG-1267:
--------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12437539/PIG-1267.patch
  against trunk revision 916793.

    +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/231/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/231/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/231/console

This message is automatically generated.

> Problems with partition filter optimizer
> ----------------------------------------
>
>                 Key: PIG-1267
>                 URL: https://issues.apache.org/jira/browse/PIG-1267
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.7.0
>            Reporter: Richard Ding
>            Assignee: Richard Ding
>             Fix For: 0.7.0
>
>         Attachments: PIG-1267.patch
>
>
> There are a couple of problems with the current partition filter optimizer:
> 1. When a partition filter is removed from the logical plan, the input index of the following
join/cogroup operator may change, which in turn changes the ordering of the fields in the
schema and results in compile-time errors.
> 2. At most one partition filter can be removed per plan,  while multiple partition filters
can exist in the cases of joins. 

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