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Posted to issues@spark.apache.org by "Bryan Cutler (JIRA)" <ji...@apache.org> on 2017/07/31 17:32:00 UTC

[jira] [Created] (SPARK-21583) Create a ColumnarBatch with ArrowColumnVectors for row based iteration

Bryan Cutler created SPARK-21583:
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             Summary: 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


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 {{ArrowColumnVector}}s.  This would avoid extra copying to translate column elements into rows and be more efficient memory usage while increasing performance.



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