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      Api will looks like:

      DataStream[(String, Long, Int)] input = ???
      // upsert with keyTable 
      table = tEnv.upsertFromStream(input, 'a, 'b, 'c.key)
      // upsert without key -> single row tableTable 
      table = tEnv.upsertFromStream(input, 'a, 'b, 'c)

      A simple design doc about this subtask.

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              • Assignee:
                hequn8128 Hequn Cheng
                Reporter:
                hequn8128 Hequn Cheng
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