[GitHub] hequn8128 edited a comment on issue #6381: [FLINK-7205] [table] Add UUID supported in SQL and TableApi

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hequn8128 edited a comment on issue #6381: [FLINK-7205] [table] Add UUID supported in SQL and TableApi
URL: https://github.com/apache/flink/pull/6381#issuecomment-410680365
 
 
   @buptljy Ok, you are right. Thanks for pointing it out.
   How about add a test in `CalcITCase` in package of `org.apache.flink.table.runtime.stream.table`. 
   
   ```
     @Test
     def testUDFNotDeterministic(): Unit = {
       val env = StreamExecutionEnvironment.getExecutionEnvironment
       val tEnv = TableEnvironment.getTableEnvironment(env)
       StreamITCase.testResults = mutable.MutableList()
       val ds = StreamTestData.getSmall3TupleDataStream(env).toTable(tEnv).select(uuid())
   
       val results = ds.toAppendStream[Row]
       results.print()
       results.addSink(new StreamITCase.StringSink[Row])
       env.execute()
   
       assert(StreamITCase.testResults.distinct.size > 1)
     }
   ```

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