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https://issues.apache.org/jira/browse/SPARK-1608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13979559#comment-13979559
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Takuya Ueshin commented on SPARK-1608:
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Pull-requested: https://github.com/apache/spark/pull/532
> Cast.nullable should be true when cast from StringType to
> NumericType/TimestampType
> -----------------------------------------------------------------------------------
>
> Key: SPARK-1608
> URL: https://issues.apache.org/jira/browse/SPARK-1608
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Takuya Ueshin
>
> Cast.nullable should be true when cast from StringType to NumericType or
> TimestampType.
> Because if StringType expression has an illegal number string or illegal
> timestamp string, the casted value becomes null.
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