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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-2802) Merge sort usually not necessary for ORDERED aggregation
Date Sat, 02 Apr 2016 16:56:25 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15222941#comment-15222941
] 

Hudson commented on PHOENIX-2802:
---------------------------------

FAILURE: Integrated in Phoenix-master #1182 (See [https://builds.apache.org/job/Phoenix-master/1182/])
PHOENIX-2802 Merge sort usually not necessary for ORDERED aggregation (jtaylor: rev 8916eb791b37a2444135abba7c4b640630eb859c)
* phoenix-core/src/it/java/org/apache/phoenix/end2end/HashJoinIT.java


> Merge sort usually not necessary for ORDERED aggregation
> --------------------------------------------------------
>
>                 Key: PHOENIX-2802
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2802
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: James Taylor
>            Assignee: James Taylor
>             Fix For: 4.8.0
>
>         Attachments: PHOENIX-2802.patch, PHOENIX-2802_v2.patch
>
>
> Try something like the following query:
> {code}
> select pod, count(*) as orgs from organization group by pod order by pod desc;
> {code}
> versus this one:
> {code}
> select pod, count(*) as orgs from organization group by pod order by pod asc;
> {code}
> There may be some missing logic in how we setup the client-side order by in this case.



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