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https://issues.apache.org/jira/browse/FLINK-3977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15334087#comment-15334087
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ASF GitHub Bot commented on FLINK-3977:
---------------------------------------
GitHub user fhueske opened a pull request:
https://github.com/apache/flink/pull/2118
[FLINK-3977] InternalWindowFunctions implement OutputTypeConfigurable and
forward calls to wrapped functions.
- [X] General
- The pull request references the related JIRA issue ("[FLINK-XXX] Jira
title text")
- The pull request addresses only one issue
- Each commit in the PR has a meaningful commit message (including the
JIRA id)
- [X] Tests & Build
- Functionality added by the pull request is covered by tests
- `mvn clean verify` has been executed successfully locally or a Travis
build has passed
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/fhueske/flink windowOutTConfig
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2118.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 #2118
----
commit 973ee7fd797bb5e92c5e664075e2e33d21eed28f
Author: Fabian Hueske <fhue...@apache.org>
Date: 2016-06-16T07:09:40Z
[FLINK-3977] InternalWindowFunctions implement OutputTypeConfigurable and
forward calls to wrapped functions.
----
> Subclasses of InternalWindowFunction must support OutputTypeConfigurable
> ------------------------------------------------------------------------
>
> Key: FLINK-3977
> URL: https://issues.apache.org/jira/browse/FLINK-3977
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Reporter: Aljoscha Krettek
> Assignee: Fabian Hueske
> Priority: Critical
>
> Right now, if they wrap functions and a wrapped function implements
> {{OutputTypeConfigurable}}, {{setOutputType}} is never called. This manifests
> itself, for example, in FoldFunction on a window with evictor not working.
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