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Posted to issues@flink.apache.org by "Yanquan Lv (Jira)" <ji...@apache.org> on 2025/12/25 08:59:00 UTC

[jira] [Resolved] (FLINK-38818) [posgtres-cdc] Emit initial table schemas from state

     [ https://issues.apache.org/jira/browse/FLINK-38818?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yanquan Lv resolved FLINK-38818.
--------------------------------
    Fix Version/s: cdc-3.6.0
       Resolution: Fixed

Merged in master via c3f66570739f4f4bfc76c17c14fa02ef1d90a333.

> [posgtres-cdc] Emit initial table schemas from state 
> -----------------------------------------------------
>
>                 Key: FLINK-38818
>                 URL: https://issues.apache.org/jira/browse/FLINK-38818
>             Project: Flink
>          Issue Type: Improvement
>          Components: Flink CDC
>            Reporter: ouyangwulin
>            Assignee: ouyangwulin
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: cdc-3.6.0
>
>
> As FLINK-38045, only support mysql , and now we support pgsql.
>  
> We add postgres implement.
> `
> For historical reasons, the current implementation does not utilize the Source to build a schema cache. This requires the TransformOperator to maintain its own complex state.
> An optimization is proposed: to build a reusable schema cache at the Source (or in an operator immediately following it).
> The primary benefit of this approach is that the transform operator can be made completely stateless. This simplifies its design, improves architectural modularity, and makes the entire pipeline more robust and maintainable.
> `
>  



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