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Posted to issues@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2017/01/05 01:13:58 UTC

[jira] [Commented] (HIVE-11858) Hive DISTRIBUTE BY & CROSS PRODUCT should not sort output

    [ https://issues.apache.org/jira/browse/HIVE-11858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15799912#comment-15799912 ] 

Eugene Koifman commented on HIVE-11858:
---------------------------------------

Also, aggregate function w/o Group By

select count(*), min(z) from T

> Hive DISTRIBUTE BY & CROSS PRODUCT should not sort output
> ---------------------------------------------------------
>
>                 Key: HIVE-11858
>                 URL: https://issues.apache.org/jira/browse/HIVE-11858
>             Project: Hive
>          Issue Type: Improvement
>          Components: Physical Optimizer, Tez
>    Affects Versions: 1.3.0, 2.0.0
>            Reporter: Gopal V
>            Assignee: Eugene Koifman
>
> {code}
> select a ,b from table distribute by a;
> {code}
> Should not do any sorts at all & should use the partitioned unsorted edge instead. 



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