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https://issues.apache.org/jira/browse/FLINK-6789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16067694#comment-16067694
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ASF GitHub Bot commented on FLINK-6789:
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GitHub user zhangminglei opened a pull request:
https://github.com/apache/flink/pull/4216
[FLINK-6789] [optimizer] Remove duplicated test utility reducer in op…
Removed ```DummyReducer``` class, keep ```SelectOneReducer``` instead.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhangminglei/flink flink-6789
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4216.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 #4216
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commit 1426b14198f33ef886498bc46964485b14afb8d0
Author: zhangminglei <zml13856086...@163.com>
Date: 2017-06-29T03:49:30Z
[FLINK-6789] [optimizer] Remove duplicated test utility reducer in optimizer
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> Remove duplicated test utility reducer in optimizer
> ---------------------------------------------------
>
> Key: FLINK-6789
> URL: https://issues.apache.org/jira/browse/FLINK-6789
> Project: Flink
> Issue Type: Improvement
> Components: Optimizer, Tests
> Affects Versions: 1.4.0
> Reporter: Chesnay Schepler
> Assignee: mingleizhang
>
> The {{DummyReducer}} and {{SelectOneReducer}} in
> {{org.apache.flink.optimizer.testfunctions}} are identical; we could remove
> one of them.
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