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https://issues.apache.org/jira/browse/PIG-1978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13021362#comment-13021362
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[email protected] commented on PIG-1978:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/621/
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Review request for pig and thejas.
Summary
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See PIG-1978
This addresses bug PIG-1978.
https://issues.apache.org/jira/browse/PIG-1978
Diffs
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http://svn.apache.org/repos/asf/pig/trunk/src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/SecondaryKeyOptimizer.java
1091982
http://svn.apache.org/repos/asf/pig/trunk/test/org/apache/pig/test/TestSecondarySort.java
1091982
Diff: https://reviews.apache.org/r/621/diff
Testing
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Test-patch:
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 3 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
Unit test:
all pass
Thanks,
Daniel
> Secondary sort fail when dereferencing two fields inside foreach
> ----------------------------------------------------------------
>
> Key: PIG-1978
> URL: https://issues.apache.org/jira/browse/PIG-1978
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.9.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.9.0
>
> Attachments: PIG-1978-1.patch
>
>
> The following script fail:
> {code}
> a = load '1.txt' as (a0, a1, a2);
> b = group a by (a0, a1);
> c = foreach b {
> c1 = a.(a1,a2);
> generate group, c1;
> }
> explain c;
> {code}
> Error message:
> Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 0:
> POForEach has more than 1 input plans
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer$SecondaryKeyDiscover.processForEach(SecondaryKeyOptimizer.java:551)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer$SecondaryKeyDiscover.processRoot(SecondaryKeyOptimizer.java:485)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer$SecondaryKeyDiscover.process(SecondaryKeyOptimizer.java:470)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SecondaryKeyOptimizer.visitMROp(SecondaryKeyOptimizer.java:254)
> Thanks William reporting.
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