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https://issues.apache.org/jira/browse/FLINK-39358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Nuyanzin updated FLINK-39358:
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Component/s: Table SQL / Planner
> Constraint and watermark should stay while CoA MT if there is no explicit
> change with schema or contraint definition
> --------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-39358
> URL: https://issues.apache.org/jira/browse/FLINK-39358
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: Sergey Nuyanzin
> Assignee: Sergey Nuyanzin
> Priority: Major
>
> The idea is that if existing table has a constraint or watermark
> and then there is CoA DDL without schema or constraint definition then the
> existing constraint/watermark should stay.
>
> If there are explicit schema/constraint, then they should be applied
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