[jira] Updated: (PIG-344) Ordering on types other than byte array fails.

["Alan Gates (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan Gates updated PIG-344:
---------------------------

    Attachment: sortkey.patch

MRCompiler was assuming that all order bys were on bytearrays.  This fixes it to use the type provided in the physical plan instead of hardwire it to byte array.

> 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
>
>         Attachments: sortkey.patch
>
>
> {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.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.