godfreyhe commented on a change in pull request #11340: [Flink 14338] Upgrade
Calcite version to 1.22 for Flink SQL
URL: https://github.com/apache/flink/pull/11340#discussion_r391404642
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/nodes/logical/FlinkLogicalOverAggregate.scala
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@@ -72,7 +72,7 @@ class FlinkLogicalOverAggregateConverter
override def convert(rel: RelNode): RelNode = {
val window = rel.asInstanceOf[LogicalWindow]
- val mq = rel.getCluster.getMetadataQuery
+ val mq = rel.getCluster.getMetadataQuery.asInstanceOf[RelMetadataQuery]
Review comment:
unnecessary cast
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