Jark Wu created FLINK-15339:
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             Summary: Correct the terminology of "Time-windowed Join" to 
"Interval Join" in Table API & SQL
                 Key: FLINK-15339
                 URL: https://issues.apache.org/jira/browse/FLINK-15339
             Project: Flink
          Issue Type: Sub-task
          Components: Documentation
            Reporter: Jark Wu
             Fix For: 1.10.0


Currently, in the docuementation, we call the joins with time conditions as 
"Time-windowed Join". However, it is called "Interval Join" in DataStream. We 
should align the terminology in Flink project. 

>From my point of view, "Interval Join" is more suitable, because it joins a 
>time interval range of right stream[1]. And "Windowed Join" should be joins 
>data in the same window, this is also described in DataStream API. 

For Table API & SQL, the "Time-windowed Join" is the "Interval Join" in 
DataStream. And we miss the new feature "Windowed Join" in Table API & SQL.

I propose to correct the terminology in docs before 1.10 is release. 


[1]: 
https://ci.apache.org/projects/flink/flink-docs-master/dev/stream/operators/joining.html#interval-join
[2]: 
https://ci.apache.org/projects/flink/flink-docs-master/dev/stream/operators/joining.html#window-join



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