[jira] Commented: (PIG-1493) Column Pruner throw exception "inconsistent pruning"

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12888063#action_12888063 ] 

Hadoop QA commented on PIG-1493:
--------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12449203/PIG-1493-1.patch
  against trunk revision 963504.

    +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 failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/367/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/367/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/367/console

This message is automatically generated.

> Column Pruner throw exception "inconsistent pruning"
> ----------------------------------------------------
>
>                 Key: PIG-1493
>                 URL: https://issues.apache.org/jira/browse/PIG-1493
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.7.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.7.0, 0.8.0
>
>         Attachments: PIG-1493-1.patch
>
>
> The following script fail:
> {code}
> a = load '1.txt' as (a0:chararray, a1:chararray, a2);
> b = foreach a generate CONCAT(a0,a1) as b0, a0, a2;
> c = foreach b generate a0, a2;
> dump c;
> {code}
> Error message:
> ERROR 2185: Column $0 of (Name: b: ForEach 1-50 Operator Key: 1-50) inconsistent pruning
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias c
>         at org.apache.pig.PigServer.openIterator(PigServer.java:698)
>         at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:595)
>         at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:291)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:162)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:138)
>         at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:90)
>         at org.apache.pig.Main.run(Main.java:451)
>         at org.apache.pig.Main.main(Main.java:103)
> Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1002: Unable to store alias c
>         at org.apache.pig.PigServer.storeEx(PigServer.java:804)
>         at org.apache.pig.PigServer.store(PigServer.java:760)
>         at org.apache.pig.PigServer.openIterator(PigServer.java:680)
>         ... 7 more
> Caused by: org.apache.pig.impl.plan.optimizer.OptimizerException: ERROR 2212: Unable to prune plan
>         at org.apache.pig.impl.logicalLayer.optimizer.PruneColumns.prune(PruneColumns.java:826)
>         at org.apache.pig.impl.logicalLayer.optimizer.LogicalOptimizer.optimize(LogicalOptimizer.java:240)
>         at org.apache.pig.PigServer.compileLp(PigServer.java:1180)
>         at org.apache.pig.PigServer.storeEx(PigServer.java:799)
>         ... 9 more
> Caused by: org.apache.pig.impl.plan.VisitorException: ERROR 2188: Cannot prune columns for (Name: b: ForEach 1-50 Operator Key: 1-50)
>         at org.apache.pig.impl.logicalLayer.ColumnPruner.prune(ColumnPruner.java:177)
>         at org.apache.pig.impl.logicalLayer.ColumnPruner.visit(ColumnPruner.java:202)
>         at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:132)
>         at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:47)
>         at org.apache.pig.impl.plan.DependencyOrderWalker.walk(DependencyOrderWalker.java:69)
>         at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51)
>         at org.apache.pig.impl.logicalLayer.optimizer.PruneColumns.prune(PruneColumns.java:821)
>         ... 12 more
> Caused by: org.apache.pig.impl.plan.optimizer.OptimizerException: ERROR 2185: Column $0 of (Name: b: ForEach 1-50 Operator Key: 1-50) inconsistent pruning
>         at org.apache.pig.impl.logicalLayer.ColumnPruner.prune(ColumnPruner.java:148)

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