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Posted to dev@pig.apache.org by "Olga Natkovich (Updated) (JIRA)" <ji...@apache.org> on 2011/10/05 02:03:34 UTC

[jira] [Updated] (PIG-988) Better implementation of distinct aggs

     [ https://issues.apache.org/jira/browse/PIG-988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Olga Natkovich updated PIG-988:
-------------------------------

    Fix Version/s:     (was: 0.10)
    
> Better implementation of distinct aggs
> --------------------------------------
>
>                 Key: PIG-988
>                 URL: https://issues.apache.org/jira/browse/PIG-988
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Alan Gates
>            Assignee: Thejas M Nair
>
> Distinct aggregates by definition cannot use the combiner (though the distinct can be and is done in the combiner).  Since this is a common use case it would be good to optimize.

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