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https://issues.apache.org/jira/browse/HIVE-9009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pengcheng Xiong updated HIVE-9009:
----------------------------------
    Summary: order by (limit) meaning for the last subquery of union in Hive is 
different from other main stream RDBMS  (was: order by (limit) meaning for the 
last subquery of union in Hive is different from other main stream DBMS)

> order by (limit) meaning for the last subquery of union in Hive is different 
> from other main stream RDBMS
> ---------------------------------------------------------------------------------------------------------
>
>                 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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