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https://issues.apache.org/jira/browse/PIG-1408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12865979#action_12865979
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Hadoop QA commented on PIG-1408:
--------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12443996/PIG-1408.patch
against trunk revision 941976.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 45 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/322/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/322/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/322/console
This message is automatically generated.
> Annotate explain plans with aliases
> -----------------------------------
>
> Key: PIG-1408
> URL: https://issues.apache.org/jira/browse/PIG-1408
> Project: Pig
> Issue Type: Improvement
> Affects Versions: 0.7.0
> Reporter: Richard Ding
> Assignee: Richard Ding
> Fix For: 0.8.0
>
> Attachments: PIG-1408.patch
>
>
> PIG-1156 added aliases in Pig scripts to the corresponding LogicalOperators
> and PhysicalOperators. The aliases in the operators, however, are not
> displayed in the output created by the explain command.
> Since a Pig script can generate many MR jobs, it will be helpful, for
> debugging purposes, to annotate the explain output plans with aliases, so
> that users can correlate the jobs with the statements in their scripts.
> Here is an example: given the following script
> {code}
> A = load 'input';
> B = group A by $0;
> C = foreach B generate group, flatten(A);
> explain C
> {code}
> The output without alias annotation is
> {code}
> MapReduce node 1-28
> Map Plan
> Local Rearrange[tuple]{bytearray}(false) - 1-22
> | |
> | Project[bytearray][0] - 1-23
> |
> |---Load(file:///test/input:org.apache.pig.builtin.PigStorage) - 1-19--------
> Reduce Plan
> Store(fakefile:org.apache.pig.builtin.PigStorage) - 1-27
> |
> |---New For Each(false,true)[bag] - 1-26
> | |
> | Project[bytearray][0] - 1-24
> | |
> | Project[bag][1] - 1-25
> |
> |---Package[tuple]{bytearray} - 1-21--------
> Global sort: false
> {code}
>
> While the output with alias annotation will be
> {code}
> MapReduce node 1-28
> Map Plan
> B: Local Rearrange[tuple]{bytearray}(false) - 1-22
> | |
> | Project[bytearray][0] - 1-23
> |
> |---A: Load(file:///test/input:org.apache.pig.builtin.PigStorage) -
> 1-19--------
> Reduce Plan
> C: Store(fakefile:org.apache.pig.builtin.PigStorage) - 1-27
> |
> |---C: New For Each(false,true)[bag] - 1-26
> | |
> | Project[bytearray][0] - 1-24
> | |
> | Project[bag][1] - 1-25
> |
> |---B: Package[tuple]{bytearray} - 1-21--------
> Global sort: false
> {code}
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