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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