[
https://issues.apache.org/jira/browse/DRILL-4521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15205349#comment-15205349
]
MinJi Kim commented on DRILL-4521:
----------------------------------
https://drill.apache.org/docs/aggregate-and-aggregate-statistical/
stddev -> stddev_samp
variance -> var_samp
> Drill doesn't correctly treat VARIANCE and STDDEV as two phase aggregates
> -------------------------------------------------------------------------
>
> Key: DRILL-4521
> URL: https://issues.apache.org/jira/browse/DRILL-4521
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Jacques Nadeau
> Assignee: MinJi Kim
>
> These are supposed to be synonyms with STDDEV_POP and VARIANCE_POP but they
> are handled differently. This causes the reduce aggregates rule to not reduce
> these and thus they are handled as single phase aggregates.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
