zjuwangg commented on a change in pull request #17272:
URL: https://github.com/apache/flink/pull/17272#discussion_r707865281
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File path:
flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/plan/rules/FlinkStreamRuleSets.scala
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@@ -159,6 +159,12 @@ object FlinkStreamRuleSets {
CoreRules.FILTER_MERGE
)
+ /**
+ * RuleSet to extracts sub-condition which can be pushed into join inputs
Review comment:
```suggestion
* RuleSet to extract sub-condition which can be pushed into join inputs
```
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