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Posted to issues@spark.apache.org by "Bo Meng (JIRA)" <ji...@apache.org> on 2016/04/28 00:38:13 UTC
[jira] [Commented] (SPARK-14965) StructType throws exception for
missing field
[ https://issues.apache.org/jira/browse/SPARK-14965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15261096#comment-15261096 ]
Bo Meng commented on SPARK-14965:
---------------------------------
I believe returning null does not make sense here, so exception is preferred.
> StructType throws exception for missing field
> ---------------------------------------------
>
> Key: SPARK-14965
> URL: https://issues.apache.org/jira/browse/SPARK-14965
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.4.0, 1.6.1
> Reporter: Gregory Hart
> Priority: Minor
>
> The ScalaDoc for StructType.apply(String) indicates the method should return null if it does not contain a field with the given name. The method implementation throws an exception in this case instead.
> I suggest that either the implementation should be corrected to return null if the field is not found, or the ScalaDoc be corrected to indicate an exception is thrown.
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