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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2018/07/06 08:25:00 UTC

[jira] [Closed] (FLINK-4187) Support for outer joins on DataStream

     [ https://issues.apache.org/jira/browse/FLINK-4187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen closed FLINK-4187.
-------------------------------
    Resolution: Duplicate

Subsumed by FLINK-8483 and closed due to inactivity.

> Support for outer joins on DataStream
> -------------------------------------
>
>                 Key: FLINK-4187
>                 URL: https://issues.apache.org/jira/browse/FLINK-4187
>             Project: Flink
>          Issue Type: New Feature
>          Components: DataStream API
>            Reporter: Ignacio N. Lucero Ascencio
>            Priority: Minor
>              Labels: features
>   Original Estimate: 672h
>  Remaining Estimate: 672h
>
> It would be nice to have support for outer joins on DataStream. DataSet supports all the outer joins (left, right, full) but DataStream only provides the inner join. 
> It has been pointed out that an outer join can be achieved with a coGroup, but I am of the opinion that having first-class support for outer joins would be nicer.



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