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Posted to dev@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2014/05/23 19:29:02 UTC

[jira] [Created] (HBASE-11245) Add top N function to Aggregations Protocol

Ted Yu created HBASE-11245:
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             Summary: Add top N function to Aggregations Protocol
                 Key: HBASE-11245
                 URL: https://issues.apache.org/jira/browse/HBASE-11245
             Project: HBase
          Issue Type: Task
            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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