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yux commented on FLINK-36610:
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Good idea! I've just finished a simple POC for gh-ost here[1], but haven't
figured out how pt-online works. It would be great if you'd like to work on it.
[1] https://github.com/yuxiqian/flink-cdc/tree/FLINK-36610
> MySQL CDC supports parsing gh-ost generated schema changes
> ----------------------------------------------------------
>
> Key: FLINK-36610
> URL: https://issues.apache.org/jira/browse/FLINK-36610
> Project: Flink
> Issue Type: Improvement
> Components: Flink CDC
> Reporter: yux
> Priority: Major
>
> GitHub's gh-ost utility[1] uses some swap technique to perform schema
> changes, but CDC could not parse it for now since RENAME TABLE is not
> supported yet.
> This use-case could be supported by tweaking DDL parsing logic.
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