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Posted to dev@pig.apache.org by "Alan Gates (JIRA)" <ji...@apache.org> on 2008/07/29 18:45:32 UTC
[jira] Assigned: (PIG-340) Specifying 'using PigStorage('\t')' in a
script causes pig to fail
[ https://issues.apache.org/jira/browse/PIG-340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alan Gates reassigned PIG-340:
------------------------------
Assignee: Alan Gates
> Specifying 'using PigStorage('\t')' in a script causes pig to fail
> ------------------------------------------------------------------
>
> Key: PIG-340
> URL: https://issues.apache.org/jira/browse/PIG-340
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: types_branch
> Reporter: Alan Gates
> Assignee: Alan Gates
> Priority: Critical
> Fix For: types_branch
>
>
> The script
> {code}
> A = load '/user/pig/tests/data/perf/studenttab200m' using PigStorage('\t') as (name, age, gpa);
> B = filter A by gpa < 3.6;
> store B into 'filter10pct2' using PigStorage();
> {code}
> fails with the error message:
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapOnly$Map.map(PigMapOnly.java:64)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:219)
> at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)
> java.io.IOException: Request for field number 2 exceeds tuple size of 1
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:139)
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapOnly$Map.map(PigMapOnly.java:64)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:219)
> at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)
> while
> {code}
> A = load '/user/pig/tests/data/perf/studenttab200m' as (name, age, gpa);
> B = filter A by gpa < 3.6;
> store B into 'filter10pct2';
> {code}
> runs just fine over the same data. It appears that the specification of the load function or the delimiter is causing issues.
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