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Subject [GitHub] [flink] twalthr commented on a change in pull request #8162: [FLINK-12174][table] Introduce FlinkAggregateExtractProjectRule and remove extractFieldReferences
Date Tue, 16 Apr 2019 12:16:35 GMT
twalthr commented on a change in pull request #8162: [FLINK-12174][table] Introduce FlinkAggregateExtractProjectRule
and remove extractFieldReferences
URL: https://github.com/apache/flink/pull/8162#discussion_r275761509
 
 

 ##########
 File path: flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/plan/rules/FlinkRuleSets.scala
 ##########
 @@ -49,6 +51,15 @@ object FlinkRuleSets {
   val POST_EXPAND_CLEAN_UP_RULES: RuleSet = RuleSets.ofList(
     EnumerableToLogicalTableScan.INSTANCE)
 
+  /**
+    * Pre-processing for logical optimization.
+    */
+  val PRE_LOGICAL_OPT_RULES: RuleSet = RuleSets.ofList(
+    new FlinkAggregateExtractProjectRule(
 
 Review comment:
   extract this into a static final variable in `FlinkAggregateExtractProjectRule`?

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