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From sunjincheng121 <...@git.apache.org>
Subject [GitHub] flink pull request #3641: [FLINK-5654] - Add processing time OVER RANGE BETW...
Date Wed, 29 Mar 2017 15:41:16 GMT
Github user sunjincheng121 commented on a diff in the pull request:

    https://github.com/apache/flink/pull/3641#discussion_r108709629
  
    --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/scala/stream/sql/SqlITCase.scala
---
    @@ -696,6 +716,205 @@ class SqlITCase extends StreamingWithStateTestBase {
           "6,8,Hello world,51,9,5,9,1")
         assertEquals(expected.sorted, StreamITCase.testResults.sorted)
       }
    +
    +  @Test
    +  def testAvgSumAggregatationPartition(): Unit = {
    +
    +    val env = StreamExecutionEnvironment.getExecutionEnvironment
    +    val tEnv = TableEnvironment.getTableEnvironment(env)
    +    env.setParallelism(1)
    +    StreamITCase.testResults = mutable.MutableList()
    +
    +    val sqlQuery = "SELECT a, AVG(c) OVER (PARTITION BY a ORDER BY procTime()" +
    +      "RANGE BETWEEN INTERVAL '10' SECOND PRECEDING AND CURRENT ROW) AS avgC," +
    +      "SUM(c) OVER (PARTITION BY a ORDER BY procTime()" +
    +      "RANGE BETWEEN INTERVAL '10' SECOND PRECEDING AND CURRENT ROW) as sumC FROM MyTable"
    +
    +    val t = StreamTestData.get5TupleDataStream(env)
    +      .toTable(tEnv).as('a, 'b, 'c, 'd, 'e)
    +
    +    tEnv.registerTable("MyTable", t)
    +
    +    val result = tEnv.sql(sqlQuery).toDataStream[Row]
    +    result.addSink(new StreamITCase.StringSink)
    +    env.execute()
    +
    +    val expected = mutable.MutableList(
    +      "1,0,0",
    +      "2,1,1",
    +      "2,1,3",
    +      "3,3,3",
    +      "3,3,7",
    +      "3,4,12",
    +      "4,6,13",
    +      "4,6,6",
    +      "4,7,21",
    +      "4,7,30",
    +      "5,10,10",
    +      "5,10,21",
    +      "5,11,33",
    +      "5,11,46",
    +      "5,12,60")
    +
    +    assertEquals(expected.sorted, StreamITCase.testResults.sorted)
    +  }
    +
    +  @Test
    +  def testAvgSumAggregatationNonPartition(): Unit = {
    +
    +    val env = StreamExecutionEnvironment.getExecutionEnvironment
    +    val tEnv = TableEnvironment.getTableEnvironment(env)
    +    env.setParallelism(1)
    +    StreamITCase.testResults = mutable.MutableList()
    +
    +    val sqlQuery = "SELECT a, Count(c) OVER (ORDER BY procTime()" +
    +      "RANGE BETWEEN INTERVAL '10' SECOND PRECEDING AND CURRENT ROW) AS avgC," +
    +      "MIN(c) OVER (ORDER BY procTime()" +
    +      "RANGE BETWEEN INTERVAL '10' SECOND PRECEDING AND CURRENT ROW) as sumC FROM MyTable"
    +
    +    val t = StreamTestData.get5TupleDataStream(env)
    +      .toTable(tEnv).as('a, 'b, 'c, 'd, 'e)
    +
    +    tEnv.registerTable("MyTable", t)
    +
    +    val result = tEnv.sql(sqlQuery).toDataStream[Row]
    +    result.addSink(new StreamITCase.StringSink)
    +    env.execute()
    +
    +    val expected = mutable.MutableList(
    +      "1,1,0",
    +      "2,2,0",
    +      "2,3,0",
    +      "3,4,0",
    +      "3,5,0",
    +      "3,6,0",
    +      "4,7,0",
    +      "4,8,0",
    +      "4,9,0",
    +      "4,10,0",
    +      "5,11,0",
    +      "5,12,0",
    +      "5,13,0",
    +      "5,14,0",
    +      "5,15,0")
    +
    +    assertEquals(expected.sorted, StreamITCase.testResults.sorted)
    +  }
    +
    +  
    +  @Test
    +  def testCountAggregatationProcTimeHarnessPartitioned(): Unit = {
    +    val env = StreamExecutionEnvironment.getExecutionEnvironment
    --- End diff --
    
    Can you explain why we need this test?


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