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https://issues.apache.org/jira/browse/FLINK-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14710155#comment-14710155
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ASF GitHub Bot commented on FLINK-2106:
---------------------------------------
GitHub user r-pogalz opened a pull request:
https://github.com/apache/flink/pull/1052
[FLINK-2106] Runtime part
This PR includes the implementation of 3 drivers (Left-, Right-,
FullOuterJoinDriver) and adapts the DriverStrategy for the merge based outer
joins (LEFT_, RIGHT_, FULL_OUTER_MERGE). Furthermore, DriverStrategy.MERGE has
been renamed to DriverStrategy.INNER_MERGE.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/r-pogalz/flink feature/FLINK-2106-Runtime
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/1052.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1052
----
commit ef37bd3b7aa28bd68b144f73bbe9c414a2bd27c9
Author: r-pogalz <[email protected]>
Date: 2015-08-06T21:13:16Z
[FLINK-2106] [runtime] Add Outer Join drivers and Outer Merge strategies to
Runtime
commit baeb689c4cac90ff6fc2da0d4ef65459be08df67
Author: r-pogalz <[email protected]>
Date: 2015-08-11T19:40:21Z
[FLINK-2106] [runtime] Rename DriverStrategy.MERGE to
DriverStrategy.INNER_MERGE
----
> Add outer joins to API, Optimizer, and Runtime
> ----------------------------------------------
>
> Key: FLINK-2106
> URL: https://issues.apache.org/jira/browse/FLINK-2106
> Project: Flink
> Issue Type: Sub-task
> Components: Java API, Local Runtime, Optimizer, Scala API
> Reporter: Fabian Hueske
> Assignee: Ricky Pogalz
> Priority: Minor
> Fix For: pre-apache
>
>
> Add left/right/full outer join methods to the DataSet APIs (Java, Scala), to
> the optimizer, and the runtime of Flink.
> Initially, the execution strategy should be a sort-merge outer join
> (FLINK-2105) but can later be extended to hash joins for left/right outer
> joins.
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