[GitHub] [flink] hongshuboy commented on pull request #18851: [hotfix][docs] Unified variable naming

[GitBox]

hongshuboy commented on pull request #18851:
URL: https://github.com/apache/flink/pull/18851#issuecomment-1045549999


   
   **Session Window Join and other examples** 
   the variable names are named `first` and `second`
   <img width="860" alt="image" 
src="https://user-images.githubusercontent.com/40915465/154781641-11b54922-c6a4-4a25-b38f-7c140b8a935e.png";>
   **Interval Join Example**
   the variable names are named `left` and `right`
   <img width="881" alt="image" 
src="https://user-images.githubusercontent.com/40915465/154781678-e0894629-98fc-4cf9-a013-fcddc87113b7.png";>
   


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