yuemeng created FLINK-4827:

             Summary: Sql on streaming example use scala with wrong variable 
                 Key: FLINK-4827
                 URL: https://issues.apache.org/jira/browse/FLINK-4827
             Project: Flink
          Issue Type: Bug
          Components: Documentation
    Affects Versions: 1.1.2, 1.1.0
            Reporter: yuemeng
            Priority: Minor
             Fix For: 1.1.3

val env = StreamExecutionEnvironment.getExecutionEnvironment
val tEnv = TableEnvironment.getTableEnvironment(env)

// read a DataStream from an external source
val ds: DataStream[(Long, String, Integer)] = env.addSource(...)
// register the DataStream under the name "Orders"
tableEnv.registerDataStream("Orders", ds, 'user, 'product, 'amount)
// run a SQL query on the Table and retrieve the result as a new Table
val result = tableEnv.sql(
  "SELECT product, amount FROM Orders WHERE product LIKE '%Rubber%'")

There is no variable named tableEnv defined here,it's tEnv defined here

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