Github user sunjincheng121 commented on a diff in the pull request: https://github.com/apache/flink/pull/5212#discussion_r159411155 --- Diff: flink-libraries/flink-table/src/test/scala/org/apache/flink/table/expressions/ScalarFunctionsTest.scala --- @@ -356,8 +356,117 @@ class ScalarFunctionsTest extends ScalarTypesTestBase { // Math functions // ---------------------------------------------------------------------------------------------- + @Test + def testAdd(): Unit = { --- End diff -- Make sense to me.
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