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https://issues.apache.org/jira/browse/FLINK-16887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu updated FLINK-16887:
----------------------------
Parent: FLINK-16987
Issue Type: Sub-task (was: Improvement)
> Refactor retraction rules to support inferring ChangelogMode
> ------------------------------------------------------------
>
> Key: FLINK-16887
> URL: https://issues.apache.org/jira/browse/FLINK-16887
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / Planner
> Reporter: Jark Wu
> Assignee: Jark Wu
> Priority: Major
> Fix For: 1.11.0
>
>
> Current retraction machanism only support 2 message kinds (+ and -). However,
> since FLIP-95, we will introduce more message kinds to users
> (insert/delete/update_before/update_after).
> In order to support that, we should first refactor current retraction rules
> to support ChangelogMode inference. In previous, every node will be attached
> with a AccMode trait after retraction rule. In the proposed design, we will
> infer ChangelogMode trait for every node.
> Design documentation:
> https://docs.google.com/document/d/1n_iXIQsKT3uiBqENR8j8RdjRhZfzMhhB66QZvx2rFjE/edit?ts=5e8419c1#
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