[GitHub] flink pull request #3397: [FLINK-5803][TableAPI&SQL] Add [partitioned] proce...

[fhueske <gi...@git.apache.org>]

Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/3397#discussion_r102952622
  
    --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/scala/stream/sql/SqlITCase.scala ---
    @@ -171,4 +183,79 @@ class SqlITCase extends StreamingMultipleProgramsTestBase {
         val expected = mutable.MutableList("Hello", "Hello world")
         assertEquals(expected.sorted, StreamITCase.testResults.sorted)
       }
    +
    +  @Test
    +  def testUnboundPartitionedProcessingWindowWithRange(): Unit = {
    +    val env = StreamExecutionEnvironment.getExecutionEnvironment
    +    val tEnv = TableEnvironment.getTableEnvironment(env)
    +    StreamITCase.testResults = mutable.MutableList()
    +
    +    val t1 = env.fromCollection(data).toTable(tEnv).as('a, 'b, 'c)
    +
    +    tEnv.registerTable("T1", t1)
    +
    +    //TODO ORDER BY will be fixed, once FLINK-5710 is solved
    +    tEnv.registerFunction("ProcTime", ProcTime)
    +    val sqlQuery = "SELECT c, count(a) OVER (PARTITION BY c ORDER BY ProcTime() RANGE " +
    --- End diff --
    
    This query returns the same result (see ORDER BY):
    ```
    "SELECT " +
    "  c, " +
    "  COUNT(a) OVER (PARTITION BY c ORDER BY b RANGE UNBOUNDED PRECEDING) AS cnt1, " +
    "  COUNT(a) OVER (PARTITION BY c ORDER BY b RANGE UNBOUNDED PRECEDING) AS cnt2 " +
    "FROM T1"
    ```


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