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Posted to issues@spark.apache.org by "Takuya Ueshin (JIRA)" <ji...@apache.org> on 2017/08/31 04:10:00 UTC
[jira] [Resolved] (SPARK-21583) Create a ColumnarBatch with
ArrowColumnVectors for row based iteration
[ https://issues.apache.org/jira/browse/SPARK-21583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Takuya Ueshin resolved SPARK-21583.
-----------------------------------
Resolution: Fixed
Fix Version/s: 2.3.0
Issue resolved by pull request 18787
[https://github.com/apache/spark/pull/18787]
> Create a ColumnarBatch with ArrowColumnVectors for row based iteration
> ----------------------------------------------------------------------
>
> Key: SPARK-21583
> URL: https://issues.apache.org/jira/browse/SPARK-21583
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Bryan Cutler
> Assignee: Bryan Cutler
> Fix For: 2.3.0
>
>
> The existing {{ArrowColumnVector}} creates a read-only vector of Arrow data. It would be useful to be able to create a {{ColumnarBatch}} to allow row based iteration over multiple {{ArrowColumnVectors}}. This would avoid extra copying to translate column elements into rows and be more efficient memory usage while increasing performance.
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