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https://issues.apache.org/jira/browse/FLINK-36854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17903304#comment-17903304
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yux commented on FLINK-36854:
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[~ruanhang1993] I'm interested in this. Could you please assign it to me?
> Column comments and default expressions gone after being transformed
> --------------------------------------------------------------------
>
> Key: FLINK-36854
> URL: https://issues.apache.org/jira/browse/FLINK-36854
> Project: Flink
> Issue Type: Bug
> Components: Flink CDC
> Affects Versions: cdc-3.2.1
> Reporter: yux
> Priority: Major
>
> Currently, transform operator will swallow metadata of projected columns,
> including comments and default expressions, which isn't ideal. This could be
> fixed by modifying generateProjection method in TransformParser.
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