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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-2039) IndexOutOfBounException for a case
Date Mon, 09 May 2011 18:50:03 GMT

     [ https://issues.apache.org/jira/browse/PIG-2039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xuefu Zhang updated PIG-2039:
-----------------------------

    Attachment: PIG-2039.patch

Unit test passed.

> IndexOutOfBounException for a case
> ----------------------------------
>
>                 Key: PIG-2039
>                 URL: https://issues.apache.org/jira/browse/PIG-2039
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.9.0
>            Reporter: Xuefu Zhang
>            Assignee: Xuefu Zhang
>             Fix For: 0.9.0
>
>         Attachments: PIG-2039.patch
>
>
> The following query gives an exception:
> a = load '1.txt' as (a0:int, a1:int, a2:int);
> b = group a by a0;
> c = foreach b { c1 = limit a 10; c2 =  distinct c1.a1; c3 = distinct c1.a2; generate
c2, c3;};
> store c into 'output';
> 2011-05-04 12:36:01,720 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2999: Unexpected
internal error. Index: 0, Size: 0
> Stack trace:
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
>         at java.util.ArrayList.RangeCheck(ArrayList.java:547)
>         at java.util.ArrayList.get(ArrayList.java:322)
>         at org.apache.pig.newplan.logical.expression.ProjectExpression.getFieldSchema(ProjectExpression.java:279)
>         at org.apache.pig.newplan.logical.relational.LOGenerate.getSchema(LOGenerate.java:88)
>         at org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.validate(SchemaAliasVisitor.java:60)
>         at org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.visit(SchemaAliasVisitor.java:104)
>         at org.apache.pig.newplan.logical.relational.LOGenerate.accept(LOGenerate.java:240)
>         at org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
>         at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
>         at org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.visit(SchemaAliasVisitor.java:99)
>         at org.apache.pig.newplan.logical.relational.LOForEach.accept(LOForEach.java:73)
>         at org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
>         at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
>         at org.apache.pig.PigServer$Graph.compile(PigServer.java:1664)
>         at org.apache.pig.PigServer$Graph.validateQuery(PigServer.java:1615)
>         at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1586)
>         at org.apache.pig.PigServer.registerQuery(PigServer.java:580)
>         at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:930)
>         at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:386)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:176)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:152)
>         at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:76)
>         at org.apache.pig.Main.run(Main.java:488)
>         at org.apache.pig.Main.main(Main.java:109)

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