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https://issues.apache.org/jira/browse/FLINK-13742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-13742:
-----------------------------------
Labels: pull-request-available (was: )
> Fix code generation when aggregation contains both distinct aggregate with
> and without filter
> ---------------------------------------------------------------------------------------------
>
> Key: FLINK-13742
> URL: https://issues.apache.org/jira/browse/FLINK-13742
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: Jark Wu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.1
>
>
> The following test will fail when the aggregation contains {{COUNT(DISTINCT
> c)}} and {{COUNT(DISTINCT c) filter ...}}.
> {code:java}
> @Test
> def testDistinctWithMultiFilter(): Unit = {
> val sqlQuery =
> "SELECT b, " +
> " SUM(DISTINCT (a * 3)), " +
> " COUNT(DISTINCT SUBSTRING(c FROM 1 FOR 2))," +
> " COUNT(DISTINCT c)," +
> " COUNT(DISTINCT c) filter (where MOD(a, 3) = 0)," +
> " COUNT(DISTINCT c) filter (where MOD(a, 3) = 1) " +
> "FROM MyTable " +
> "GROUP BY b"
> val t =
> failingDataSource(StreamTestData.get3TupleData).toTable(tEnv).as('a, 'b, 'c)
> tEnv.registerTable("MyTable", t)
> val result = tEnv.sqlQuery(sqlQuery).toRetractStream[Row]
> val sink = new TestingRetractSink
> result.addSink(sink)
> env.execute()
> val expected = List(
> "1,3,1,1,0,1",
> "2,15,1,2,1,0",
> "3,45,3,3,1,1",
> "4,102,1,4,1,2",
> "5,195,1,5,2,1",
> "6,333,1,6,2,2")
> assertEquals(expected.sorted, sink.getRetractResults.sorted)
> }
> {code}
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