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https://issues.apache.org/jira/browse/PIG-1022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12768120#action_12768120
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Hadoop QA commented on PIG-1022:
--------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12422754/PIG-1022-1.patch
against trunk revision 827829.
+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-h7.grid.sp2.yahoo.net/104/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/104/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/104/console
This message is automatically generated.
> optimizer pushes filter before the foreach that generates column used by
> filter
> -------------------------------------------------------------------------------
>
> Key: PIG-1022
> URL: https://issues.apache.org/jira/browse/PIG-1022
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.4.0
> Reporter: Thejas M Nair
> Assignee: Daniel Dai
> Fix For: 0.6.0
>
> Attachments: PIG-1022-1.patch
>
>
> grunt> l = load 'students.txt' using PigStorage() as (name:chararray,
> gender:chararray, age:chararray, score:chararray);
> grunt> f = foreach l generate name, gender, age,score, '200' as
> gid:chararray;
> grunt> g = group f by (name, gid);
> grunt> f2 = foreach g generate group.name as name: chararray, group.gid as
> gid: chararray;
> grunt> filt = filter f2 by gid == '200';
> grunt> explain filt;
> In the plan generated filt is pushed up after the load and before the first
> foreach, even though the filter is on gid which is generated in first foreach.
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