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https://issues.apache.org/jira/browse/SPARK-23875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Herman van Hovell resolved SPARK-23875.
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Resolution: Fixed
Assignee: Liang-Chi Hsieh
Fix Version/s: 2.4.0
> Create IndexedSeq wrapper for ArrayData
> ---------------------------------------
>
> Key: SPARK-23875
> URL: https://issues.apache.org/jira/browse/SPARK-23875
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Liang-Chi Hsieh
> Assignee: Liang-Chi Hsieh
> Priority: Major
> Fix For: 2.4.0
>
>
> We don't have a good way to sequentially access {{UnsafeArrayData}} with a
> common interface such as Seq. An example is {{MapObject}} where we need to
> access several sequence collection types together. But {{UnsafeArrayData}}
> doesn't implement {{ArrayData.array}}. Calling {{toArray}} will copy the
> entire array. We can provide an {{IndexedSeq}} wrapper for {{ArrayData}}, so
> we can avoid copying the entire array.
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