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https://issues.apache.org/jira/browse/SPARK-16462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-16462.
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Resolution: Fixed
Fix Version/s: 2.1.0
2.0.1
Issue resolved by pull request 14118
[https://github.com/apache/spark/pull/14118]
> Spark 2.0 CSV does not cast null values to certain data types properly
> ----------------------------------------------------------------------
>
> Key: SPARK-16462
> URL: https://issues.apache.org/jira/browse/SPARK-16462
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Liwei Lin
> Fix For: 2.0.1, 2.1.0
>
>
> When casting given string datum to specified type, CSV should return {{null}}
> for nullable types if {{datum == options.nullValue}}.
> However, for certain data types like {{Boolean}}, {{TimestampType}},
> {{DateType}}, CSV in 2.0 does not return {{null}} for some "empty" datum.
> This is a regression comparing to 1.6.
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