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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3243) Fix Interplay of TimeCharacteristic and Time Windows
Date Tue, 09 Feb 2016 09:29:18 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15138616#comment-15138616
] 

ASF GitHub Bot commented on FLINK-3243:
---------------------------------------

Github user aljoscha commented on the pull request:

    https://github.com/apache/flink/pull/1513#issuecomment-181777122
  
    You're right, I'm changing it. But it was also me who didn't notice when we put it in
initially :sweat_smile: 


> Fix Interplay of TimeCharacteristic and Time Windows
> ----------------------------------------------------
>
>                 Key: FLINK-3243
>                 URL: https://issues.apache.org/jira/browse/FLINK-3243
>             Project: Flink
>          Issue Type: Bug
>          Components: Streaming
>    Affects Versions: 1.0.0
>            Reporter: Aljoscha Krettek
>            Assignee: Aljoscha Krettek
>            Priority: Blocker
>
> As per the discussion on the Dev ML: http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-Time-Behavior-in-Streaming-Jobs-Event-time-processing-time-td9616.html.
> The discussion seems to have converged on option 2):
> - Add dedicated WindowAssigners for processing time and event time
> - {{timeWindow()}} and {{timeWindowAll()}} respect the set {{TimeCharacteristic}}. 
> This will make the easy stuff easy, i.e. using time windows and quickly switching the
time characteristic. Users will then have the flexibility to mix different kinds of window
assigners in their job.



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