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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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