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Posted to issues@hive.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2017/03/10 23:16:04 UTC

[jira] [Commented] (HIVE-16178) corr UDAF standard compliance

    [ https://issues.apache.org/jira/browse/HIVE-16178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15905852#comment-15905852 ] 

Zoltan Haindrich commented on HIVE-16178:
-----------------------------------------

HIVE-15978 will contain a disabled testcase for this problem

> corr UDAF standard compliance
> -----------------------------
>
>                 Key: HIVE-16178
>                 URL: https://issues.apache.org/jira/browse/HIVE-16178
>             Project: Hive
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Zoltan Haindrich
>            Priority: Minor
>
> the standard defines corner cases when it should return null - but the current result is NaN.
> If N * SUMX2 equals SUMX * SUMX , then the result is the null value.
> and
> If N * SUMY2 equals SUMY * SUMY , then the result is the null value.



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