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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