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https://issues.apache.org/jira/browse/KYLIN-4068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16892841#comment-16892841
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ASF GitHub Bot commented on KYLIN-4068:
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nichunen commented on pull request #729: [KYLIN-4068] append limit and offset
to sql reliably
URL: https://github.com/apache/kylin/pull/729
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> 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
>
> {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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