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Date: Mon, 28 Jul 2008 12:03:31 -0700 (PDT)
From: "Alan Gates (JIRA)" <jira@apache.org>
To: pig-dev@incubator.apache.org
Subject: [jira] Created: (PIG-344) Ordering on types other than byte array
 fails.
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Ordering on types other than byte array fails.
----------------------------------------------

                 Key: PIG-344
                 URL: https://issues.apache.org/jira/browse/PIG-344
             Project: Pig
          Issue Type: Bug
    Affects Versions: types_branch
            Reporter: Alan Gates
            Assignee: Alan Gates
            Priority: Critical
             Fix For: types_branch


{code}
A = load '/Users/gates/test/data/studenttab10' as (name: chararray, age: long, gpa: float);
B = order A by gpa;
dump B;
{code}

java.io.IOException: Type mismatch in key from map: expected org.apache.hadoop.io.BytesWritable, recieved org.apache.hadoop.io.FloatWritable
        at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.collect(MapTask.java:419)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.collect(PigMapReduce.java:79)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:119)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:71)
        at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:219)
        at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:157)

If the gpa type is not declared, then the sort passes.


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