Shaoxuan Wang created FLINK-6089:
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Summary: 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
Reporter: Shaoxuan Wang
Assignee: Shaoxuan Wang
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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