[GitHub] [flink] YongjinZhou opened a new pull request #13297: [FLINK-19105][docs]update demo error

[GitBox]

YongjinZhou opened a new pull request #13297:
URL: https://github.com/apache/flink/pull/13297


   ## What is the purpose of the change
   This pull request correct demo error
   
   ## Brief change log
   tableEnv.connect(new FileSystem("/path/to/file")
   ->
   tableEnv.connect(new FileSystem().path("/path/to/file"))
   
   DataTypes.LONG()
   ->DataTypes.BIGINT()
   
   
   
   ## Verifying this change
   
   This change added tests and can be verified as follows:
   before
   
![image](https://user-images.githubusercontent.com/8166352/91835545-1f182f80-ec7c-11ea-8919-ae00f1fd02b6.png)
   after
   
![image](https://user-images.githubusercontent.com/8166352/91835575-28a19780-ec7c-11ea-8e03-4ffe53185b14.png)
   
   
   ## Does this pull request potentially affect one of the following parts:
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (yes / no) no
     - If yes, how is the feature documented? (not applicable / docs / JavaDocs 
/ not documented)
   


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