[FLINK-12559][table-planner-blink] Introduce metadata handlers on window aggregate

This closes apache#8487

Author: godfreyhe

flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/plan/metadata/AggCallSelectivityEstimator.scala

@@ -19,7 +19,7 @@
 package org.apache.flink.table.plan.metadata
 
 import org.apache.flink.table.JDouble
-import org.apache.flink.table.plan.nodes.physical.batch.BatchExecGroupAggregateBase
+import org.apache.flink.table.plan.nodes.physical.batch.{BatchExecGroupAggregateBase, BatchExecLocalHashWindowAggregate, BatchExecLocalSortWindowAggregate, BatchExecWindowAggregateBase}
 import org.apache.flink.table.plan.stats._
 import org.apache.flink.table.plan.util.AggregateUtil
 
@@ -62,6 +62,14 @@ class AggCallSelectivityEstimator(agg: RelNode, mq: FlinkRelMetadataQuery)
         (rel.getGroupSet.toArray ++ auxGroupSet, otherAggCalls)
       case rel: BatchExecGroupAggregateBase =>
         (rel.getGrouping ++ rel.getAuxGrouping, rel.getAggCallList)
+      case rel: BatchExecLocalHashWindowAggregate =>
+        val fullGrouping = rel.getGrouping ++ Array(rel.inputTimeFieldIndex) ++ rel.getAuxGrouping
+        (fullGrouping, rel.getAggCallList)
+      case rel: BatchExecLocalSortWindowAggregate =>
+        val fullGrouping = rel.getGrouping ++ Array(rel.inputTimeFieldIndex) ++ rel.getAuxGrouping
+        (fullGrouping, rel.getAggCallList)
+      case rel: BatchExecWindowAggregateBase =>
+        (rel.getGrouping ++ rel.getAuxGrouping, rel.getAggCallList)
       case _ => throw new IllegalArgumentException(s"Cannot handle ${agg.getRelTypeName}!")
     }
     require(outputIdx >= fullGrouping.length)