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Posted to issues@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2020/06/05 11:21:00 UTC
[jira] [Closed] (FLINK-15339) Correct the terminology of
"Time-windowed Join" to "Interval Join" in Table API & SQL
[ https://issues.apache.org/jira/browse/FLINK-15339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jark Wu closed FLINK-15339.
---------------------------
Resolution: Fixed
- master (1.12.0): b39ef6c861feeaf22110e1d59a6eeee51c9ae530192
- 1.11.0: ce63fd191f5ef4065a45d7b94d10dba2e79a4
> 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: Task
> Components: Documentation, Table SQL / API
> Reporter: Jark Wu
> Assignee: Jark Wu
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.11.0
>
>
> 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
> Discussion thread: http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-Correct-the-terminology-of-quot-Time-windowed-Join-quot-to-quot-Interval-Join-quot-in-Table-L-td36202.html#a36208
> Voting thread: http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/VOTE-Rename-terminology-quot-Time-windowed-Join-quot-to-quot-Interval-Join-quot-in-Table-API-amp-SQL-td36370.html
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