YuvalItzchakov commented on a change in pull request #17845:
URL: https://github.com/apache/flink/pull/17845#discussion_r754823553
##########
File path:
flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/planner/plan/stream/sql/join/LookupJoinTest.scala
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@@ -525,7 +525,21 @@ class LookupJoinTest(legacyTableSource: Boolean) extends
TableTestBase with Seri
verifyTranslationSuccess(sql)
}
- //
==========================================================================================
+ @Test
+ def testJoinTemporalTableWithCTE(): Unit = {
+ val sql =
+ """
+ |WITH MyLookupTable AS (SELECT * FROM MyTable),
+ |OtherLookupTable AS (SELECT * FROM LookupTable)
+ |SELECT MyLookupTable.b FROM MyLookupTable
+ |JOIN OtherLookupTable FOR SYSTEM_TIME AS OF MyLookupTable.proctime AS
D
+ |ON MyLookupTable.a = D.id AND D.age = 10
+ """.stripMargin
+
+ verifyTranslationSuccess(sql)
Review comment:
@tsreaper I can add an additional test that verifies to exec plan, as it
was similar before and after my change (I originally tried using it in my test,
but the `NullPointerException` did not reproduce using it).
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