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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/08/13 03:33:00 UTC
[jira] [Assigned] (SPARK-25096) Loosen nullability if the cast is
force-nullable.
[ https://issues.apache.org/jira/browse/SPARK-25096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-25096:
------------------------------------
Assignee: (was: Apache Spark)
> Loosen nullability if the cast is force-nullable.
> -------------------------------------------------
>
> Key: SPARK-25096
> URL: https://issues.apache.org/jira/browse/SPARK-25096
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Takuya Ueshin
> Priority: Major
>
> In type coercion for complex types, if the found type is force-nullable to cast, we should loosen the nullability to be able to cast. Also for map key type, we can't use the type.
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