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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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Micah Kornfield resolved ARROW-6296.
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Fix Version/s: 0.15.0
Resolution: Fixed
Issue resolved by pull request 5152
[https://github.com/apache/arrow/pull/5152]
> [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
> Labels: pull-request-available
> Fix For: 0.15.0
>
> Time Spent: 4h 50m
> Remaining Estimate: 0h
>
> * 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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