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https://issues.apache.org/jira/browse/HIVE-14959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez updated HIVE-14959:
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Summary: Fix DISTINCT with windowing when CBO is enabled/disabled (was:
Support distinct with windowing when CBO is disabled)
> Fix DISTINCT with windowing when CBO is enabled/disabled
> --------------------------------------------------------
>
> Key: HIVE-14959
> URL: https://issues.apache.org/jira/browse/HIVE-14959
> Project: Hive
> Issue Type: Bug
> Affects Versions: 2.1.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-14959.01.patch, HIVE-14959.patch
>
>
> For instance, the following query with CBO off:
> {code:sql}
> select distinct last_value(i) over ( partition by si order by i ),
> first_value(t) over ( partition by si order by i )
> from over10k limit 50;
> {code}
> will fail, with the following message:
> {noformat}
> SELECT DISTINCT not allowed in the presence of windowing functions when CBO
> is off
> {noformat}
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