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https://issues.apache.org/jira/browse/SPARK-9145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Rosen resolved SPARK-9145.
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Resolution: Fixed
Fix Version/s: 1.5.0
Issue resolved by pull request 7194
[https://github.com/apache/spark/pull/7194]
> Equality test on NaN = NaN should return true
> ---------------------------------------------
>
> Key: SPARK-9145
> URL: https://issues.apache.org/jira/browse/SPARK-9145
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Josh Rosen
> Priority: Critical
> Fix For: 1.5.0
>
>
> Based on the design in SPARK-9079, we want NaN = NaN to return true in
> SQL/DataFrame.
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