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Posted to dev@carbondata.apache.org by "Jay (JIRA)" <ji...@apache.org> on 2016/08/11 01:38:20 UTC

[jira] [Resolved] (CARBONDATA-35) generate global dict using pre-defined dict from external column file

     [ https://issues.apache.org/jira/browse/CARBONDATA-35?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jay resolved CARBONDATA-35.
---------------------------
    Resolution: Fixed
      Assignee: Jay

resolved in pr#801

> generate global dict using pre-defined dict from external column file
> ---------------------------------------------------------------------
>
>                 Key: CARBONDATA-35
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-35
>             Project: CarbonData
>          Issue Type: New Feature
>            Reporter: Jay
>            Assignee: Jay
>            Priority: Minor
>
> user can set colName:columnfilePath in load DML, which can provide small amount of distinct values, then carbon can use these distinct values to generate dictionary and avoid reading from large raw csv file. this is a new feature and can improve the performance.



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