Github user fhueske commented on a diff in the pull request: https://github.com/apache/flink/pull/3585#discussion_r107707074 --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/scala/stream/sql/SqlITCase.scala --- @@ -293,6 +297,82 @@ class SqlITCase extends StreamingWithStateTestBase { assertEquals(expected.sorted, StreamITCase.testResults.sorted) } + @Test + def testBoundPartitionedEventTimeWindowWithRow(): Unit = { + val env = StreamExecutionEnvironment.getExecutionEnvironment + env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime) + env.setStateBackend(getStateBackend) + val tEnv = TableEnvironment.getTableEnvironment(env) + StreamITCase.clear + + val t1 = env.fromCollection(data) + .assignTimestampsAndWatermarks(new TimestampWithLatenessWatermark(0)) + .toTable(tEnv).as('a, 'b, 'c) + + tEnv.registerTable("T1", t1) + + val sqlQuery = "SELECT " + + "c, a, " + + "sum(a) OVER (PARTITION BY c ORDER BY RowTime() ROWS BETWEEN 2 preceding AND CURRENT ROW)" + + "from T1" + + val result = tEnv.sql(sqlQuery).toDataStream[Row] + result.addSink(new StreamITCase.StringSink) + env.execute() + + val expected = mutable.MutableList( + "Hello,1,1", "Hello,2,3", "Hello,3,6", "Hello,4,9", "Hello,5,12", + "Hello,6,15", "Hello World,7,7", "Hello World,8,15", "Hello World,20,35") + assertEquals(expected.sorted, StreamITCase.testResults.sorted) + } + + @Test + def testBoundPartitionedEventTimeWindowWithRowWithLateEvent(): Unit = { + + val data = List( + (1L, 1, "Hello"), + (2L, 2, "Hello"), + (4L, 4, "Hello"), + (3L, 3, "Hello"), + (7L, 7, "Hello"), + (8L, 8, "Hello World"), + (7L, 8, "Hello"), + (5L, 5, "Hello"), + (20L, 20, "Hello World"), + (9L, 9, "Hello World")) + + val env = StreamExecutionEnvironment.getExecutionEnvironment + env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime) + env.setStateBackend(getStateBackend) + StreamITCase.clear + + // set the parallelism to 1 such that the test elements are arrived in order. For instance, + // element (20L, 20, "Hello World") arrives before element (9L, 9, "Hello World"). + env.setParallelism(1) + + val tEnv = TableEnvironment.getTableEnvironment(env) + StreamITCase.testResults = mutable.MutableList() + + val t1 = env.fromCollection(data) + .assignTimestampsAndWatermarks(new TimestampWithLatenessWatermark(2)) // allowedLateness = 2 --- End diff -- I don't think we need to test this case. The complete logic of the over window is the same, just the input is different but very similar as before.
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