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