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Posted to dev@pig.apache.org by "Thejas M Nair (JIRA)" <ji...@apache.org> on 2011/09/21 22:47:08 UTC

[jira] [Created] (PIG-2297) multiquery having native mapreduce and order-by fails

multiquery having native mapreduce and order-by fails
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                 Key: PIG-2297
                 URL: https://issues.apache.org/jira/browse/PIG-2297
             Project: Pig
          Issue Type: Bug
    Affects Versions: 0.10
            Reporter: Thejas M Nair


Seen in trunk. Haven't checked with earlier versions.

{code}
A = load 'n3.txt';

B = mapreduce 'trunk/test/org/apache/pig/test/data/TestWordCount.jar'
                    Store A into 'table_testNativeMRJobSimple_input'
                    Load 'table_testNativeMRJobSimple_output'
            `org.apache.pig.test.utils.WordCount  -Dmapred.child.java.opts='-Xmx1536m -Xms128m'  table_testNativeMRJobSimple_input table_testNativeMRJobSimple_output` ;
 Store B into 'table_testNativeMRJobSimpleDir';

E = order A by $0;

store E into 'Eout'

{code}

Fails with 

{code}
 java.lang.ClassCastException: org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach cannot be cast to org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POPac
kage
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.getJob(JobControlCompiler.java:573)

{code}

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