[GitHub] [flink] KurtYoung commented on a change in pull request #8468: [FLINK-12399][table][table-planner] Fix FilterableTableSource does not change after applyPredicate

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KurtYoung commented on a change in pull request #8468: [FLINK-12399][table][table-planner] Fix FilterableTableSource does not change after applyPredicate
URL: https://github.com/apache/flink/pull/8468#discussion_r325453512
 
 

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 File path: flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/plan/nodes/logical/FlinkLogicalTableSourceScan.scala
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 @@ -76,9 +76,25 @@ class FlinkLogicalTableSourceScan(
     val terms = super.explainTerms(pw)
         .item("fields", tableSource.getTableSchema.getFieldNames.mkString(", "))
 
+    val auxiliarySourceDesc = tableSource match {
+      case fts: FilterableTableSource[_] =>
+        s"FilterPushDown=${fts.isFilterPushedDown.toString}"
 
 Review comment:
   I'm not sure if we can do this for users. 

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