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https://issues.apache.org/jira/browse/FLINK-6089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15938782#comment-15938782
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ASF GitHub Bot commented on FLINK-6089:
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Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/3564
Thanks for the update @hequn8128.
I think this PR is good to merge once you addressed @twalthr's comment
about extending the method docs.
Thank you, Fabian
> Implement decoration phase for rewriting predicated logical plan after
> volcano optimization phase
> -------------------------------------------------------------------------------------------------
>
> Key: FLINK-6089
> URL: https://issues.apache.org/jira/browse/FLINK-6089
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Shaoxuan Wang
> Assignee: Hequn Cheng
>
> At present, there is no chance to modify the DataStreamRel tree after the
> volcano optimization. We consider to add a decoration phase after volcano
> optimization phase. Decoration phase is dedicated for rewriting predicated
> logical plan and is independent of cost module. After decoration phase is
> added, we get the chance to apply retraction rules at this phase.
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