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https://issues.apache.org/jira/browse/FLINK-22318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17331781#comment-17331781
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todd commented on FLINK-22318:
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Hi [~jark]
mysql allows primary key column renaming，indexes and foreign keys that refer to
the old column , are automatically renamed.
I think when changing the column name, RowtimeAttribute of Watermark, primary
key column, and partition column should also be renamed together. Modifying the
column name has less impact on the job.
> 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
> Labels: pull-request-available
>
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