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https://issues.apache.org/jira/browse/SPARK-22418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16237442#comment-16237442
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Marco Gaido commented on SPARK-22418:
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can I work on this?
> Add test cases for NULL
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https://issues.apache.org/jira/browse/SPARK-22418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16237647#comment-16237647
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Apache Spark commented on SPARK-22418:
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User 'mgaido91' has created a pull request f