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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