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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/04/05 14:39:00 UTC
[jira] [Assigned] (SPARK-23875) Create IndexedSeq wrapper for
ArrayData
[ https://issues.apache.org/jira/browse/SPARK-23875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-23875:
------------------------------------
Assignee: (was: Apache Spark)
> 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
> Priority: Major
>
> 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. ButĀ {{UnsafeArrayData}} doesn't implementĀ {{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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