Github user sunjincheng121 commented on a diff in the pull request: https://github.com/apache/flink/pull/5202#discussion_r160047907 --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/expressions/ScalarFunctionsTest.scala --- @@ -1216,6 +1216,64 @@ class ScalarFunctionsTest extends ScalarTypesTestBase { ) } + @Test + def testShiftLeft(): Unit = { --- End diff -- Add a test case using column defined in `ScalarTypesTestBase `, just like as follow: ``` testSqlApi( "SHIFT_LEFT(f4,1)", // f4 is BIGINT type "88" ) ```
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