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https://issues.apache.org/jira/browse/HIVE-17240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuming Wang updated HIVE-17240:
-------------------------------
Attachment: HIVE-17240.6.patch
> Function ACOS(2) and ASIN(2) should be null
> -------------------------------------------
>
> Key: HIVE-17240
> URL: https://issues.apache.org/jira/browse/HIVE-17240
> Project: Hive
> Issue Type: Bug
> Components: UDF
> Affects Versions: 1.1.1, 1.2.2, 2.2.0
> Reporter: Yuming Wang
> Assignee: Yuming Wang
> Attachments: HIVE-17240.1.patch, HIVE-17240.2.patch,
> HIVE-17240.3.patch, HIVE-17240.4.patch, HIVE-17240.5.patch, HIVE-17240.6.patch
>
>
> {{acos(2)}} should be null, same as MySQL:
> {code:sql}
> hive> desc function extended acos;
> OK
> acos(x) - returns the arc cosine of x if -1<=x<=1 or NULL otherwise
> Example:
> > SELECT acos(1) FROM src LIMIT 1;
> 0
> > SELECT acos(2) FROM src LIMIT 1;
> NULL
> Time taken: 0.009 seconds, Fetched: 6 row(s)
> hive> select acos(2);
> OK
> NaN
> Time taken: 0.437 seconds, Fetched: 1 row(s)
> {code}
> {code:sql}
> mysql> select acos(2);
> +---------+
> | acos(2) |
> +---------+
> | NULL |
> +---------+
> 1 row in set (0.00 sec)
> {code}
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