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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1086) Nested sort by * throw exception
Date Thu, 10 Dec 2009 03:11:18 GMT

    [ https://issues.apache.org/jira/browse/PIG-1086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12788461#action_12788461
] 

Daniel Dai commented on PIG-1086:
---------------------------------

+1

> Nested sort by * throw exception
> --------------------------------
>
>                 Key: PIG-1086
>                 URL: https://issues.apache.org/jira/browse/PIG-1086
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.5.0
>            Reporter: Daniel Dai
>            Assignee: Richard Ding
>         Attachments: PIG-1086.patch
>
>
> The following script fail:
> A = load '1.txt' as (a0, a1, a2);
> B = group A by a0;
> C = foreach B { D = order A by *; generate group, D;};
> explain C;
> Here is the stack:
> Caused by: java.lang.ArrayIndexOutOfBoundsException: -1
>         at java.util.ArrayList.get(ArrayList.java:324)
>         at org.apache.pig.impl.logicalLayer.schema.Schema.getField(Schema.java:752)
>         at org.apache.pig.impl.logicalLayer.LOSort.getSortInfo(LOSort.java:332)
>         at org.apache.pig.backend.hadoop.executionengine.physicalLayer.LogToPhyTranslationVisitor.visit(LogToPhyTranslationVisitor.java:1365)
>         at org.apache.pig.impl.logicalLayer.LOSort.visit(LOSort.java:176)
>         at org.apache.pig.impl.logicalLayer.LOSort.visit(LOSort.java:43)
>         at org.apache.pig.impl.plan.DependencyOrderWalkerWOSeenChk.walk(DependencyOrderWalkerWOSeenChk.java:69)
>         at org.apache.pig.backend.hadoop.executionengine.physicalLayer.LogToPhyTranslationVisitor.visit(LogToPhyTranslationVisitor.java:1274)
>         at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:130)
>         at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:45)
>         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.backend.hadoop.executionengine.HExecutionEngine.compile(HExecutionEngine.java:234)
>         at org.apache.pig.PigServer.compilePp(PigServer.java:864)
>         at org.apache.pig.PigServer.explain(PigServer.java:583)
>         ... 8 more

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