libenchao commented on code in PR #23779:
URL: https://github.com/apache/flink/pull/23779#discussion_r1415033772
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flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/planner/expressions/ScalarFunctionsTest.scala:
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@@ -2661,6 +2665,37 @@ class ScalarFunctionsTest extends ScalarTypesTestBase {
// "1996-11-10 06:55:44.333")
}
+ @Test
+ def testRandAndIf(): Unit = {
Review Comment:
Currently we only have tests for rand with seed, actually the case reported
in FLINK-33541 is without seed. I know currently the test suite cannot do this
(check a expression/query runs without checking the expected result, or
checking the result is in a range), so I won't have a strong opinion that we
must add such a test case.
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