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https://issues.apache.org/jira/browse/FLINK-22318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17331548#comment-17331548
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Jark Wu commented on FLINK-22318:
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Yes, you are right [~todd5167], but we need a third step: store the new
CatalogTable (with the new schema) into catalog.
> I'm not sure, PrimaryKey, RowtimeAttribute of Watermark, whether it is
> allowed to modify the column name.
Could you investigate how other database vendors handle this? e.g. MySQL,
Postgres.
> Support RENAME column name for ALTER TABLE statement
> ----------------------------------------------------
>
> Key: FLINK-22318
> URL: https://issues.apache.org/jira/browse/FLINK-22318
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Jark Wu
> Priority: Major
>
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