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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5845) CEP: unify key and non-keyed operators
Date Tue, 21 Feb 2017 10:02:44 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15875719#comment-15875719
] 

ASF GitHub Bot commented on FLINK-5845:
---------------------------------------

Github user kl0u commented on the issue:

    https://github.com/apache/flink/pull/3375
  
    R @tillrohrmann 


> CEP: unify key and non-keyed operators
> --------------------------------------
>
>                 Key: FLINK-5845
>                 URL: https://issues.apache.org/jira/browse/FLINK-5845
>             Project: Flink
>          Issue Type: Sub-task
>          Components: CEP
>    Affects Versions: 1.3.0
>            Reporter: Kostas Kloudas
>            Assignee: Kostas Kloudas
>             Fix For: 1.3.0
>
>
> Currently the keyed and non-keyed operators in the CEP library have different implementations.
This issue targets to unify them into one. 
> This new implementation will always be applied on a keyed stream, and in the case of
non-keyed usecases, the input stream will be keyed on a dummy key, as done in the case of
the {{DataStream.windowAll()}} method, where the input stream is keyed using the {{NullByteKeySelector}}.
> This is a first step towards making the CEP operators rescalable.



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