Jark Wu created FLINK-16887:
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Summary: Refactor retraction rules to support inferring
ChangelogMode
Key: FLINK-16887
URL: https://issues.apache.org/jira/browse/FLINK-16887
Project: Flink
Issue Type: Improvement
Components: Table SQL / Planner
Reporter: Jark Wu
Assignee: Jark Wu
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.
A detailed design documentation will be attached soon.
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