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From "Jingsong Lee (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (BEAM-1772) Support merging WindowFn other than IntervalWindow on Flink Runner
Date Fri, 24 Mar 2017 01:49:41 GMT

     [ https://issues.apache.org/jira/browse/BEAM-1772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jingsong Lee reassigned BEAM-1772:
----------------------------------

    Assignee: Jingsong Lee  (was: Aljoscha Krettek)

> Support merging WindowFn other than IntervalWindow on Flink Runner
> ------------------------------------------------------------------
>
>                 Key: BEAM-1772
>                 URL: https://issues.apache.org/jira/browse/BEAM-1772
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink
>            Reporter: Ismaël Mejía
>            Assignee: Jingsong Lee
>
> Flink currently supports merging IntervalWindows, however if you have a WindowFn who
extends IntervalWindow the execution breaks.
> I found this while executing a Pipeline in Flink's batch mode.
> This will involve probably changing the window merging logic in `FlinkMergingReduceFunction.mergeWindows()`
and other similar parts to really use the merging logic of the `WindowFn`.



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