wuchong commented on a change in pull request #15003:
URL: https://github.com/apache/flink/pull/15003#discussion_r582675036
##########
File path:
flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/planner/plan/stream/sql/agg/WindowAggregateTest.scala
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@@ -683,4 +682,165 @@ class WindowAggregateTest extends TableTestBase {
"must be an integral multiple of step, but got maxSize 3600000 ms and
step 1500000 ms")
util.verifyExplain(sql)
}
+
+ @Test
Review comment:
Could you add some tests for other grouping sets syntax, including
`CUBE`, `ROLLUP`.
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