Details
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New Feature
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Status: Closed
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Minor
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Resolution: Fixed
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0.7.0
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None
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None
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Reviewed
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Description
By adding custom partitioner we can give control over which output partition a key (/value) goes to. We can add keywords to language e.g.
PARTITION BY UDF(...)
or a similar syntax. UDF returns a number between 0 and n-1 where n is number of output partitions.
Attachments
Attachments
Issue Links
- is duplicated by
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PIG-478 allowing custome partitioner between map and reduce
- Resolved