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Posted to dev@hive.apache.org by "Ashutosh Chauhan (JIRA)" <ji...@apache.org> on 2013/03/20 19:05:15 UTC
[jira] [Commented] (HIVE-4193) OVER clauses with BETWEEN in the
window definition produce wrong results
[ https://issues.apache.org/jira/browse/HIVE-4193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13607929#comment-13607929 ]
Ashutosh Chauhan commented on HIVE-4193:
----------------------------------------
All of them have order by clause. Likely same root cause as HIVE-4190.
> OVER clauses with BETWEEN in the window definition produce wrong results
> ------------------------------------------------------------------------
>
> Key: HIVE-4193
> URL: https://issues.apache.org/jira/browse/HIVE-4193
> Project: Hive
> Issue Type: Bug
> Components: PTF-Windowing
> Affects Versions: 0.11.0
> Reporter: Alan Gates
>
> Window queries that define a windowing clause that has a termination row often (though not all) return incorrect results. For example, from our test queries all of the following return incorrect results:
> {code}
> select s, sum(f) over (partition by t order by b
> rows between current row and unbounded following)
> from over100k;
> select s, avg(f) over (partition by b order by d
> rows between 5 preceding and current row)
> from over100k;
> select s, avg(f) over (partition by bin order by s
> rows between current row and 5 following)
> from over100k;
> select s, avg(d) over (partition by i order by f desc
> rows between 5 preceding and 5 following)
> from over100k;
> {code}
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