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https://issues.apache.org/jira/browse/HBASE-11245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu resolved HBASE-11245.
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Resolution: Later
> Add top N function to Aggregations Protocol
> -------------------------------------------
>
> Key: HBASE-11245
> URL: https://issues.apache.org/jira/browse/HBASE-11245
> Project: HBase
> Issue Type: Task
> Components: Coprocessors
> Reporter: Ted Yu
> Priority: Minor
>
> When user table has large number of rows, one type of query is to select top
> N rows based on matching column(s).
> Aggregations Protocol (along with AggregateImplementation and
> AggregationClient) should support this use case.
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