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https://issues.apache.org/jira/browse/FLINK-7293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16105070#comment-16105070
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Kostas Kloudas commented on FLINK-7293:
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Hi [~dian.fu]!
Could you explain a bit why this is needed and how this is going to play well
with the {{Time}} semantics?
With an example use-case if possible.
When both event-time and a custom order-by is used, who is going to win?
> Support custom order by in PatternStream
> ----------------------------------------
>
> Key: FLINK-7293
> URL: https://issues.apache.org/jira/browse/FLINK-7293
> Project: Flink
> Issue Type: Sub-task
> Components: CEP
> Reporter: Dian Fu
> Assignee: Dian Fu
>
> Currently, when {{ProcessingTime}} is configured, the events are fed to NFA
> in the order of the arriving time and when {{EventTime}} is configured, the
> events are fed to NFA in the order of the event time. It should also allow
> custom {{order by}} to allow users to define the order of the events besides
> the above factors.
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