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Posted to dev@hive.apache.org by "Pengcheng Xiong (JIRA)" <ji...@apache.org> on 2014/12/02 20:05:14 UTC

[jira] [Updated] (HIVE-9009) order by meaning for the last subquery in Hive is different from other main stream DBMS

     [ https://issues.apache.org/jira/browse/HIVE-9009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pengcheng Xiong updated HIVE-9009:
----------------------------------
    Summary: order by meaning for the last subquery in Hive is different from other main stream DBMS  (was: order by)

> order by meaning for the last subquery in Hive is different from other main stream DBMS
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-9009
>                 URL: https://issues.apache.org/jira/browse/HIVE-9009
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Pengcheng Xiong
>
> Currently Hive will treat
> select id from A 
> union all
> select id from B
> order by id
> as
> select id from A 
> union all
> (select id from B
> order by id)
> However, it should be treated as
> (select id from A 
> union all
> select id from B)
> order by id



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