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https://issues.apache.org/jira/browse/FLINK-22804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17353682#comment-17353682
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Jark Wu commented on FLINK-22804:
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Hi [~yulei0824], computed columns, metadata columns, watermark and constraint
are belong to catalog table, a view shouldn't have those information because
it's just a query. Why do you care about them on a query?
> "CREATE VIEW" statement loses computed columns, metadata columns, watermark
> and table constraint
> ------------------------------------------------------------------------------------------------
>
> Key: FLINK-22804
> URL: https://issues.apache.org/jira/browse/FLINK-22804
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Legacy Planner, Table SQL / Planner
> Affects Versions: 1.13.0, 1.12.3
> Reporter: tim yu
> Priority: Major
>
> Lose computed columns, metadata columns, watermark and table constraint when
> SqlToOperationConverter converts SqlCreateView to CreateViewOperation.
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