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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3977) Subclasses of InternalWindowFunction must support OutputTypeConfigurable
Date Wed, 24 Aug 2016 14:28:20 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15435017#comment-15435017
] 

ASF GitHub Bot commented on FLINK-3977:
---------------------------------------

Github user rvdwenden closed the pull request at:

    https://github.com/apache/flink/pull/2086


> 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
>             Fix For: 1.1.0
>
>
> 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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