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https://issues.apache.org/jira/browse/KYLIN-5756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17832160#comment-17832160
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ASF subversion and git services commented on KYLIN-5756:
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Commit 572d78a45b6e0cabb248b6772a9b434221d9f323 in kylin's branch
refs/heads/kylin5 from Zhiting Guo
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=572d78a45b ]
KYLIN-5756 Concat string and number with + gives unexpected result
KYLIN-5747 duplicated
Co-authored-by: Zhiting Guo <[email protected]>
> Concat string and number with '+' gives unexpected result
> ---------------------------------------------------------
>
> Key: KYLIN-5756
> URL: https://issues.apache.org/jira/browse/KYLIN-5756
> Project: Kylin
> Issue Type: Improvement
> Components: Query Engine
> Affects Versions: 5.0-beta
> Reporter: pengfei.zhan
> Assignee: pengfei.zhan
> Priority: Major
> Fix For: 5.0-beta
>
>
> Concat string and number gives unexpected result.
> For example:
> 1. concat constant with plus operator, gives unexpected result
> {code:java}
> 1' + 3 + 3 // 7 (correct)
> '1' + 3 + '3' // 4.03 (wrong result)
> '1' + '3' + 'a' // error
> {code}
> 2. concat string and number, the first '+' produces null
> {code:java}
> 'q' + 1 + 1 // error
> {code}
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