Github user twalthr commented on a diff in the pull request: https://github.com/apache/flink/pull/5202#discussion_r160687249 --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/expressions/ScalarFunctionsTest.scala --- @@ -1216,6 +1216,74 @@ class ScalarFunctionsTest extends ScalarTypesTestBase { ) } + @Test + def testShiftLeft(): Unit = { + testSqlApi( --- End diff -- Add tests with null arguments.
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