Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/2811#discussion_r88434876
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/api/scala/batch/sql/CalcITCase.scala
---
@@ -270,6 +271,24 @@ class CalcITCase(
}
@Test
+ def testNotInWithNestedSelect(): Unit = {
+ val env = ExecutionEnvironment.getExecutionEnvironment
+ val tEnv = TableEnvironment.getTableEnvironment(env, config)
+ tEnv.getConfig.setNullCheck(true)
+
+ val ds = CollectionDataSets.getSmall3TupleDataSet(env)
+ val table = ds.toTable(tEnv).as('a1, 'a2, 'a3)
+ tEnv.registerTable("A", table)
+ val excludedVal = 1
+ val sqlQuery = s"SELECT a1 FROM A WHERE a1 NOT IN (SELECT a1 FROM A
WHERE a1 = $excludedVal)"
+
+ val expectedCnt = ds.collect.count(_._1 != excludedVal)
+ val rowsCnt = tEnv.sql(sqlQuery).count
--- End diff --
Can we check the exact result here? ITCases are quite heavy, so it makes
sense to make the check as precise as possible.
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