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https://issues.apache.org/jira/browse/PIG-1666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thejas M Nair updated PIG-1666:
-------------------------------
Affects Version/s: 0.8.0
Fix Version/s: 0.8.0
Assignee: Thejas M Nair
> union onschema fails when the input relation has cast from bytearray to
> another type
> ------------------------------------------------------------------------------------
>
> Key: PIG-1666
> URL: https://issues.apache.org/jira/browse/PIG-1666
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.8.0
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Fix For: 0.8.0
>
>
> Script-
> {code}
> l = load 't.txt' as (a,b);
> f1 = foreach l generate (chararray)a;
> u = union onschema f1, l;
> dump u;
> {code}
> exception -
> {code}
> org.apache.pig.backend.executionengine.ExecException: ERROR 1075: Received a
> bytearray from the UDF. Cannot determine how to convert the bytearray to
> string.
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:652)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:367)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:291)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POUnion.getNext(POUnion.java:163)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:236)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:231)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:1)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
> {code}
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