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https://issues.apache.org/jira/browse/FLINK-6927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16068531#comment-16068531
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ASF GitHub Bot commented on FLINK-6927:
---------------------------------------
Github user kl0u commented on the issue:
https://github.com/apache/flink/pull/4153
Hi @dianfu and @dawidwys .
I think that we should stick to the current API as:
1) a new API will raise serious backwards compatibility concerns,
2) people have already started using the current API and
3) there are two parallel efforts going on (SQL/ CEP standalone) and we
should not block one on the other.
If we agree on this, then this PR is ready for review @dawidwys .
> Support pattern group in CEP
> ----------------------------
>
> Key: FLINK-6927
> URL: https://issues.apache.org/jira/browse/FLINK-6927
> Project: Flink
> Issue Type: Sub-task
> Components: CEP
> Reporter: Dian Fu
> Assignee: Dian Fu
>
> We should add support for pattern group. This would enrich the set of
> supported patterns. For example, users can write patterns like this with this
> feature available:
> {code}
> A --> (B --> C.times(3)).optional() --> D
> {code}
> or
> {code}
> A --> (B --> C).times(3) --> D
> {code}
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