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Posted to issues@spark.apache.org by "Yin Huai (JIRA)" <ji...@apache.org> on 2016/05/02 21:54:12 UTC
[jira] [Commented] (SPARK-12323) Don't assign default value for
non-nullable columns of a Dataset
[ https://issues.apache.org/jira/browse/SPARK-12323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15267374#comment-15267374 ]
Yin Huai commented on SPARK-12323:
----------------------------------
[~lian cheng] We can resolve this one, right?
> Don't assign default value for non-nullable columns of a Dataset
> ----------------------------------------------------------------
>
> Key: SPARK-12323
> URL: https://issues.apache.org/jira/browse/SPARK-12323
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0, 2.0.0
> Reporter: Cheng Lian
> Assignee: Cheng Lian
>
> For a field of a Dataset, if it's specified as non-nullable in the schema of the Dataset, we shouldn't assign default value for it if input data contain null. Instead, a runtime exception with nice error message should be thrown, and ask the user to use {{Option}} or nullable types (e.g., {{java.lang.Integer}} instead of {{scala.Int}}).
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