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Posted to issues@carbondata.apache.org by "xuchuanyin (JIRA)" <ji...@apache.org> on 2018/04/23 02:17:00 UTC

[jira] [Created] (CARBONDATA-2380) Support visible/invisible datamap for performance tuning

xuchuanyin created CARBONDATA-2380:
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             Summary: Support visible/invisible datamap for performance tuning
                 Key: CARBONDATA-2380
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2380
             Project: CarbonData
          Issue Type: New Feature
          Components: data-query
            Reporter: xuchuanyin
            Assignee: xuchuanyin


Invisible datamap will not be used during the query, which can be used to verify whether to remove this datamap in the future.

 

This feature is similar to `Invisible indexed` in mysql (https://dev.mysql.com/doc/refman/8.0/en/invisible-indexes.html).



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