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Posted to issues@kylin.apache.org by "weibin0516 (Jira)" <ji...@apache.org> on 2019/09/09 06:30:00 UTC

[jira] [Resolved] (KYLIN-4068) Automatically add limit has bug

     [ https://issues.apache.org/jira/browse/KYLIN-4068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

weibin0516 resolved KYLIN-4068.
-------------------------------
    Resolution: Fixed

> Automatically add limit has bug
> -------------------------------
>
>                 Key: KYLIN-4068
>                 URL: https://issues.apache.org/jira/browse/KYLIN-4068
>             Project: Kylin
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: v2.6.2
>            Reporter: weibin0516
>            Assignee: weibin0516
>            Priority: Major
>             Fix For: v3.0.0-alpha2
>
>
> {code:sql}
> SELECT E_Name FROM Employees_China
> UNION
> SELECT E_Name FROM Employees_USA
> {code}
> will convert to 
> {code:sql}
> SELECT E_Name FROM Employees_China
> UNION
> SELECT E_Name FROM Employees_USA
> LIMIT 50000
> {code}
> This limit is not working on the result of union, but on SELECT E_Name FROM Employees_USA.
> We should use a more secure way to achieve the limit effect.



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