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Posted to issues@spark.apache.org by "Wenchen Fan (JIRA)" <ji...@apache.org> on 2018/07/26 07:08:00 UTC
[jira] [Resolved] (SPARK-24878) Fix reverse function for array type
of primitive type containing null.
[ https://issues.apache.org/jira/browse/SPARK-24878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan resolved SPARK-24878.
---------------------------------
Resolution: Fixed
Fix Version/s: 2.4.0
Issue resolved by pull request 21830
[https://github.com/apache/spark/pull/21830]
> Fix reverse function for array type of primitive type containing null.
> ----------------------------------------------------------------------
>
> Key: SPARK-24878
> URL: https://issues.apache.org/jira/browse/SPARK-24878
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Takuya Ueshin
> Assignee: Takuya Ueshin
> Priority: Major
> Fix For: 2.4.0
>
>
> If we use {{reverse}} function for array type of primitive type containing {{null}} and the child array is {{UnsafeArrayData}}, the function returns a wrong result because {{UnsafeArrayData}} doesn't define the behavior of re-assignment, especially we can't set a valid value after we set {{null}}.
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