JingsongLi commented on a change in pull request #14880:
URL: https://github.com/apache/flink/pull/14880#discussion_r619963485
##########
File path:
flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/planner/runtime/stream/sql/OverAggregateITCase.scala
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@@ -55,6 +55,36 @@ class OverAggregateITCase(mode: StateBackendMode) extends
StreamingWithStateTest
env.getCheckpointConfig.enableUnalignedCheckpoints(false)
}
+ @Test
+ def testRowNumberOnOver(): Unit = {
+ val t = failingDataSource(TestData.tupleData5)
+ .toTable(tEnv, 'a, 'b, 'c, 'd, 'e, 'proctime.proctime)
+ tEnv.registerTable("MyTable", t)
+ val sqlQuery = "SELECT a, ROW_NUMBER() OVER (PARTITION BY a ORDER BY
proctime()) FROM MyTable"
+
+ val sink = new TestingAppendSink
+ tEnv.sqlQuery(sqlQuery).toAppendStream[Row].addSink(sink)
+ env.execute()
+
+ val expected = List(
+ "1,1",
+ "2,1",
+ "2,2",
+ "3,1",
+ "3,2",
+ "3,3",
+ "4,1",
+ "4,2",
+ "4,3",
+ "4,4",
+ "5,1",
+ "5,2",
+ "5,3",
+ "5,4",
+ "5,5")
+ assertEquals(expected, sink.getAppendResults)
Review comment:
No sort here, this case is unstable.
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