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From "Aljoscha Krettek (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-3977) Subclasses of InternalWindowFunction must support OutputTypeConfigurable
Date Thu, 26 May 2016 07:47:13 GMT
Aljoscha Krettek created FLINK-3977:
---------------------------------------

             Summary: 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
            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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