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Posted to dev@pig.apache.org by "Alan Gates (JIRA)" <ji...@apache.org> on 2011/07/15 23:58:00 UTC
[jira] [Updated] (PIG-2077) Project UDF output inside a non-foreach
statement fail on 0.8
[ https://issues.apache.org/jira/browse/PIG-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alan Gates updated PIG-2077:
----------------------------
Status: Patch Available (was: Open)
Marking SubmitPatch so we can get this reviewed and committed.
> Project UDF output inside a non-foreach statement fail on 0.8
> -------------------------------------------------------------
>
> Key: PIG-2077
> URL: https://issues.apache.org/jira/browse/PIG-2077
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.8.1
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.8.1
>
> Attachments: PIG-2077-1.patch
>
>
> The following script fail on 0.8:
> {code}
> A = load '1.txt' as (tracking_id, day:chararray);
> B = load '2.txt' as (tracking_id, timestamp:chararray);
> C = JOIN A by (tracking_id, day) LEFT OUTER, B by (tracking_id, STRSPLIT(timestamp, ' ').$0);
> explain C;
> {code}
> Error stack:
> Caused by: java.lang.ArrayIndexOutOfBoundsException: -1
> at java.util.ArrayList.get(ArrayList.java:324)
> at org.apache.pig.newplan.logical.expression.ProjectExpression.findReferent(ProjectExpression.java:207)
> at org.apache.pig.newplan.logical.expression.ProjectExpression.getFieldSchema(ProjectExpression.java:121)
> at org.apache.pig.newplan.logical.optimizer.FieldSchemaResetter.execute(SchemaResetter.java:193)
> at org.apache.pig.newplan.logical.expression.AllSameExpressionVisitor.visit(AllSameExpressionVisitor.java:53)
> at org.apache.pig.newplan.logical.expression.ProjectExpression.accept(ProjectExpression.java:75)
> at org.apache.pig.newplan.ReverseDependencyOrderWalker.walk(ReverseDependencyOrderWalker.java:70)
> at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
> at org.apache.pig.newplan.logical.optimizer.SchemaResetter.visit(SchemaResetter.java:83)
> at org.apache.pig.newplan.logical.relational.LOJoin.accept(LOJoin.java:149)
> at org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
> at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
> at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.compile(HExecutionEngine.java:262)
> This is not a problem on 0.9, trunk, since LogicalExpPlanMigrationVistor is dropped in 0.9.
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