[jira] [Commented] (FLINK-2998) Support range partition comparison for multi input nodes.

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-2998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15217300#comment-15217300 ] 

ASF GitHub Bot commented on FLINK-2998:
---------------------------------------

GitHub user gallenvara opened a pull request:

    https://github.com/apache/flink/pull/1838

    [FLINK-2998] Support range partition comparison for multi input nodes.

    The PR implements range partition comparison in operation such as join and cogroup for multi inputs, now optimizer can optimize the dag to avoid re-partition if it find the data distributions user supplied are equal.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/gallenvara/flink flink-2998

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/1838.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 #1838
    
----
commit 37e6147a829e50ba8a45c26f225e16e7695f6489
Author: gallenvara <ga...@126.com>
Date:   2016-03-29T14:36:21Z

    Support range partition comparison for multi input nodes.

----


> Support range partition comparison for multi input nodes.
> ---------------------------------------------------------
>
>                 Key: FLINK-2998
>                 URL: https://issues.apache.org/jira/browse/FLINK-2998
>             Project: Flink
>          Issue Type: New Feature
>          Components: Optimizer
>            Reporter: Chengxiang Li
>            Priority: Minor
>
> The optimizer may have potential opportunity to optimize the DAG while it found two input range partition are equivalent, we does not support the comparison yet.



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