beyond1920 commented on a change in pull request #16024:
URL: https://github.com/apache/flink/pull/16024#discussion_r643085769
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/rules/FlinkBatchRuleSets.scala
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@@ -307,6 +307,9 @@ object FlinkBatchRuleSets {
CoreRules.PROJECT_TO_CALC,
FlinkCalcMergeRule.INSTANCE,
+ // remove output of rank number when it is not used by successor calc
+ RedundantRankNumberColumnRemoveRule.INSTANCE,
Review comment:
The rule should be in a HepPlanner phase instead of VolcanoPlanner phase.
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