[jira] [Commented] (BEAM-1806) a new option `asLeftOuterJoin` for CoGroupByKey

2017-03-27 Thread Xu Mingmin (JIRA) 

[ 
https://issues.apache.org/jira/browse/BEAM-1806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15943614#comment-15943614
 ] 

Xu Mingmin commented on BEAM-1806:
--

[~aviemzur] thanks to point it, I only noticed CoGroupByKey and GroupByKey 
before, will try join-library first.

> a new option `asLeftOuterJoin` for CoGroupByKey
> ---
>
> Key: BEAM-1806
> URL: https://issues.apache.org/jira/browse/BEAM-1806
> Project: Beam
>  Issue Type: Improvement
>  Components: sdk-java-core
>Reporter: Xu Mingmin
>Assignee: Xu Mingmin
>
> Similar as BEAM-1805, restrict it as left-outer-join. 
> The first {{PCollection}} is used as the key, if it's empty, output is 
> ignored.



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[jira] [Commented] (BEAM-1806) a new option `asLeftOuterJoin` for CoGroupByKey

2017-03-26 Thread Aviem Zur (JIRA) 

[ 
https://issues.apache.org/jira/browse/BEAM-1806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15942642#comment-15942642
 ] 

Aviem Zur commented on BEAM-1806:
-

Have you taken a look at 
[join-library|https://github.com/apache/beam/blob/master/sdks/java/extensions/join-library/src/main/java/org/apache/beam/sdk/extensions/joinlibrary/Join.java]?

> a new option `asLeftOuterJoin` for CoGroupByKey
> ---
>
> Key: BEAM-1806
> URL: https://issues.apache.org/jira/browse/BEAM-1806
> Project: Beam
>  Issue Type: Improvement
>  Components: sdk-java-core
>Reporter: Xu Mingmin
>Assignee: Xu Mingmin
>
> Similar as BEAM-1805, restrict it as left-outer-join. 
> The first {{PCollection}} is used as the key, if it's empty, output is 
> ignored.



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