[GitHub] [flink] godfreyhe commented on a change in pull request #8707: [FLINK-12815] [table-planner-blink] Supports CatalogManager in blink planner

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godfreyhe commented on a change in pull request #8707: [FLINK-12815] [table-planner-blink] Supports CatalogManager in blink planner
URL: https://github.com/apache/flink/pull/8707#discussion_r293766563
 
 

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 File path: flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/plan/util/RelShuttles.scala
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 @@ -97,14 +97,15 @@ class ExpandTableScanShuttle extends RelShuttleImpl {
   }
 
   /**
-    * Converts [[LogicalTableScan]] the result [[RelNode]] tree by calling [[RelTable]]#toRel
+    * Converts [[LogicalTableScan]] the result [[RelNode]] tree
+    * by calling [[QueryOperationCatalogViewTable]]#toRel
     */
   override def visit(scan: TableScan): RelNode = {
     scan match {
       case tableScan: LogicalTableScan =>
-        val relTable = tableScan.getTable.unwrap(classOf[RelTable])
-        if (relTable != null) {
-          val rel = relTable.toRel(RelOptUtil.getContext(tableScan.getCluster), tableScan.getTable)
+        val viewTable = tableScan.getTable.unwrap(classOf[QueryOperationCatalogViewTable])
 
 Review comment:
   thanks for your suggestion @docete , I have add a `TODO` in DatabaseCalciteSchema, and will support expanding `GenericCatalogView` later

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