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Posted to issues@spark.apache.org by "Stavros Kontopoulos (JIRA)" <ji...@apache.org> on 2018/08/07 18:19:00 UTC
[jira] [Comment Edited] (SPARK-25044) Address translation of LMF
closure primitive args to Object in Scala 2.12
[ https://issues.apache.org/jira/browse/SPARK-25044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16572095#comment-16572095 ]
Stavros Kontopoulos edited comment on SPARK-25044 at 8/7/18 6:18 PM:
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@lrytz any insight?
was (Author: skonto):
@lrytz thoughts?
> Address translation of LMF closure primitive args to Object in Scala 2.12
> -------------------------------------------------------------------------
>
> Key: SPARK-25044
> URL: https://issues.apache.org/jira/browse/SPARK-25044
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core, SQL
> Affects Versions: 2.4.0
> Reporter: Sean Owen
> Priority: Major
>
> A few SQL-related tests fail in Scala 2.12, such as UDFSuite's "SPARK-24891 Fix HandleNullInputsForUDF rule". (Details in a sec when I can copy-paste them.)
> It seems that the closure that is fed in as a UDF changes behavior, in a way that primitive-type arguments are handled differently. For example an Int argument, when fed 'null', acts like 0.
> I'm sure it's a difference in the LMF closure and how its types are understood, but not exactly sure of the cause yet.
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