Github user fhueske commented on a diff in the pull request: https://github.com/apache/flink/pull/3623#discussion_r112680743 --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/runtime/dataset/DataSetUserDefinedFunctionITCase.scala --- @@ -117,6 +117,187 @@ class DataSetUserDefinedFunctionITCase( } @Test + def testDynamicSchema(): Unit = { --- End diff -- Also, these are many integration tests which all run a full job. Aren't `TableTestBase` sufficient to check if the plan is correctly translated? IMO, we should have only few integration tests and more unit tests based on `TableTestBase`. What do you think?
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