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Posted to issues@flink.apache.org by "dylanhz (Jira)" <ji...@apache.org> on 2025/11/27 03:27:00 UTC

[jira] [Updated] (FLINK-38740) STDDEV related functions may produce invalid results

     [ https://issues.apache.org/jira/browse/FLINK-38740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dylanhz updated FLINK-38740:
----------------------------
    Description: 
{code:sql}
select stddev_pop(x) from (values (cast(0.27 as double)), (cast(0.27 as double)), (cast(0.27 as double))) as T(x)
-- NaN
{code}

> STDDEV related functions may produce invalid results
> ----------------------------------------------------
>
>                 Key: FLINK-38740
>                 URL: https://issues.apache.org/jira/browse/FLINK-38740
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / API
>            Reporter: dylanhz
>            Priority: Major
>
> {code:sql}
> select stddev_pop(x) from (values (cast(0.27 as double)), (cast(0.27 as double)), (cast(0.27 as double))) as T(x)
> -- NaN
> {code}



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