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Posted to dev@avro.apache.org by "alex gemini (JIRA)" <ji...@apache.org> on 2012/11/06 14:50:12 UTC

[jira] [Created] (AVRO-1193) trevni should support bitmap index based on selectivity

alex gemini created AVRO-1193:
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             Summary: trevni should support bitmap index based on selectivity
                 Key: AVRO-1193
                 URL: https://issues.apache.org/jira/browse/AVRO-1193
             Project: Avro
          Issue Type: Improvement
    Affects Versions: 1.8.0
            Reporter: alex gemini
            Priority: Minor


it would be nice if trevni support bitmap index encoding. columnar format should first sort the columnar order based on selectivity .for higher selectivity column trenvi should support bitmap encoding .more information will be found in paper "C-Store: A Column-oriented DBMS" section 3.1 :Encoding Schemes,type 2.

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