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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-334) Sorting on fields of type double does not work
Date Thu, 24 Jul 2008 18:05:31 GMT
Sorting on fields of type double does not work
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                 Key: PIG-334
                 URL: https://issues.apache.org/jira/browse/PIG-334
             Project: Pig
          Issue Type: Bug
          Components: impl
    Affects Versions: types_branch
            Reporter: Alan Gates
            Assignee: Alan Gates
            Priority: Critical
             Fix For: types_branch


In the new pipeline, when possible, pig uses hadoop writable comparable types for the hadoop
key rather than tuple.  As of hadoop 0.17 there is no DoubleWritable type.  It has been added
for hadoop 0.18.  But it appears that we will be ready to integrate the types branch back
into trunk before hadoop 0.18 is released.  So we need to implement a DoubleWritable for ourselves
until that time.

The code can be taken from HADOOP-3061.  The code where we convert to and from hadoop types
(DataType.getWritableComparableTypes and convertToPigType) needs to be changed to use this
type.

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