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https://issues.apache.org/jira/browse/FLINK-11590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dong closed FLINK-11590.
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Resolution: Not A Bug
Release Note: it is not a bug but should notice in flink doc
> Redundant spaces occur when the string true is generated using 'case when'
> grammar
> ----------------------------------------------------------------------------------
>
> Key: FLINK-11590
> URL: https://issues.apache.org/jira/browse/FLINK-11590
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.6.4, 1.7.0
> Reporter: dong
> Priority: Major
>
> {code:java}
> case when conditionA then 'false' else 'true' end as field
> {code}
> When I execute the above statement, if the field is true, the output will be
> 'true ' with an extra space.
>
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