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https://issues.apache.org/jira/browse/KYLIN-5353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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pengfei.zhan resolved KYLIN-5353.
---------------------------------
Resolution: Fixed
> Failed to save model which contains computed column using functions of
> timestampadd or timestampdiff
> -----------------------------------------------------------------------------------------------------
>
> Key: KYLIN-5353
> URL: https://issues.apache.org/jira/browse/KYLIN-5353
> Project: Kylin
> Issue Type: Bug
> Components: Modeling
> Affects Versions: 5.0-alpha
> Reporter: pengfei.zhan
> Assignee: pengfei.zhan
> Priority: Major
> Fix For: 5.0-alpha
>
> Attachments: kylin5.jpeg
>
>
> When saving the model containing some computed columns using functions of
> `timestampdiff` or `timestampadd`, it failed with throwing an exception as
> follows.
> !kylin5.jpeg!
> This happens because
> `ModelSemanticHelper#discardInvalidComputedColumnsForBrokenModel` used the
> `innerExpression` of the computed column other than `expression`. By design,
> the `innerExpression` is used for spark, the expression used by calcite
> parser.
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