weng1424 commented on code in PR #22222:
URL: https://github.com/apache/flink/pull/22222#discussion_r1143299018
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flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/planner/plan/metadata/FlinkRelMdWindowProperties.scala:
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@@ -252,13 +254,40 @@ class FlinkRelMdWindowProperties private extends
MetadataHandler[FlinkMetadata.W
}
def getWindowProperties(
- rel: StreamPhysicalWindowAggregate,
+ rel: StreamPhysicalWindowAggregateBase,
mq: RelMetadataQuery): RelWindowProperties = {
+ rel match {
+ case _: StreamPhysicalWindowAggregate =>
+ val aggregate = rel.asInstanceOf[StreamPhysicalWindowAggregate]
+ getWindowAggregateWindowProperties(
+ aggregate.grouping.length + aggregate.aggCalls.size(),
+ aggregate.namedWindowProperties,
+ aggregate.windowing.getWindow,
+ aggregate.windowing.getTimeAttributeType
+ )
+ case _: StreamPhysicalGlobalWindowAggregate =>
+ val aggregate = rel.asInstanceOf[StreamPhysicalGlobalWindowAggregate]
+ getWindowAggregateWindowProperties(
+ aggregate.grouping.length + aggregate.aggCalls.size(),
+ aggregate.namedWindowProperties,
+ aggregate.windowing.getWindow,
+ aggregate.windowing.getTimeAttributeType
+ )
+ case _ =>
Review Comment:
Can the input of window join be `StreamPhysicalGroupWindowAggregateBase`? If
the answer is yes, it may need to add the case of
`StreamPhysicalGroupWindowAggregateBase`.
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