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https://issues.apache.org/jira/browse/ARROW-6296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ji Liu reassigned ARROW-6296:
-----------------------------

    Assignee: Ji Liu

> [Java] Cleanup JDBC interfaces and eliminate one memcopy for binary/varchar 
> fields
> ----------------------------------------------------------------------------------
>
>                 Key: ARROW-6296
>                 URL: https://issues.apache.org/jira/browse/ARROW-6296
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Java
>            Reporter: Micah Kornfield
>            Assignee: Ji Liu
>            Priority: Major
>
> * If we use direct setting of fields, we can avoid the extra temporary buffer 
> and memcpy by setting bytes directly.
>  * We should overwrite existing vectors in consumers before returning 
> results, to avoid the possibility of closing vectors in use (or alternatively 
> make sure we retain the underlying buffers).
>  * Try to eliminate some of the state in load() by moving initialization to 
> the constructor.



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