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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2014/05/30 23:46:02 UTC
[jira] [Updated] (HBASE-11245) Add top N function to Aggregations
Protocol
[ https://issues.apache.org/jira/browse/HBASE-11245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-11245:
---------------------------
Component/s: Coprocessors
> 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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