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https://issues.apache.org/jira/browse/SPARK-6052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian resolved SPARK-6052.
-------------------------------
Resolution: Fixed
Fix Version/s: 1.3.0
Issue resolved by pull request 4806
[https://github.com/apache/spark/pull/4806]
> In JSON schema inference, we should always set containsNull of an ArrayType
> to true
> -----------------------------------------------------------------------------------
>
> Key: SPARK-6052
> URL: https://issues.apache.org/jira/browse/SPARK-6052
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Yin Huai
> Priority: Blocker
> Fix For: 1.3.0
>
>
> We should not try to figure out if an array contains null or not because we
> may miss arrays with null if we do sampling or future data may have nulls in
> the array.
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