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https://issues.apache.org/jira/browse/SPARK-21625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-21625:
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Assignee: (was: Apache Spark)
> sqrt(negative number) should be null
> ------------------------------------
>
> Key: SPARK-21625
> URL: https://issues.apache.org/jira/browse/SPARK-21625
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Yuming Wang
>
> Both Hive and MySQL are null:
> {code:sql}
> hive> select SQRT(-10.0);
> OK
> NULL
> Time taken: 0.384 seconds, Fetched: 1 row(s)
> {code}
> {code:sql}
> mysql> select sqrt(-10.0);
> +-----------+
> | sqrt(-10.0) |
> +-----------+
> | NULL |
> +-----------+
> 1 row in set (0.00 sec)
> {code}
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