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https://issues.apache.org/jira/browse/ARROW-7539?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ARROW-7539:
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Labels: pull-request-available (was: )
> [Java] FieldVector getFieldBuffers API should not set reader/writer indices
> ---------------------------------------------------------------------------
>
> Key: ARROW-7539
> URL: https://issues.apache.org/jira/browse/ARROW-7539
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Reporter: Ji Liu
> Assignee: Ji Liu
> Priority: Major
> Labels: pull-request-available
>
> Per discussion
> [https://github.com/apache/arrow/pull/6133#discussion_r364906302].
> The fact that we have reader/writer settings in {{getFieldBuffers}} is wrong.
> To clarify, {{getFieldBuffers}} is distinct from {{getBuffers}}. The former
> should be for getting access to underlying data for higher-performance
> algorithms. The latter is for sending the data over the wire. Seems we've
> mixed up use of both.
>
> Currently in {{VectorUnloader}}, we used {{getFieldBuffers}} to create
> {{ArrowRecordBatch}} that’s why we keep writer/reader indices in
> {{getFieldBuffers}}, we should use {{getBuffers}} instead.
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