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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17375) stddev_samp,var_samp standard compliance
Date Thu, 24 Aug 2017 15:12:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16140143#comment-16140143
] 

Ashutosh Chauhan commented on HIVE-17375:
-----------------------------------------

seems like vectorization tests need to be updated as well.

> stddev_samp,var_samp standard compliance
> ----------------------------------------
>
>                 Key: HIVE-17375
>                 URL: https://issues.apache.org/jira/browse/HIVE-17375
>             Project: Hive
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>            Priority: Minor
>         Attachments: HIVE-17375.1.patch
>
>
> these two udaf-s are returning 0 in case of only one element - however the stadard requires
NULL to be returned



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