godfrey he created FLINK-12524:
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Summary: Introduce planner rules about rank
Key: FLINK-12524
URL: https://issues.apache.org/jira/browse/FLINK-12524
Project: Flink
Issue Type: New Feature
Components: Table SQL / Planner
Reporter: godfrey he
Assignee: godfrey he
This issue aims to introduce planner rules about rank, rules include:
1. {{CalcRankTransposeRule}}, that transposes {{FlinkLogicalCalc}} past
{{FlinkLogicalRank}}
to reduce rank input fields.
2. {{RankNumberColumnRemoveRule}}, that emoves the output column of rank number
iff there is a equality condition for the rank column.
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