Hi Yue,

Thanks for providing the benefit of this feature. After this feature is merged, 
you are welcome to try this feature in business scenarios.

Regards,
Nicholas Jiang

On 2022/05/06 11:31:48 yue ma wrote:
> hi Nicholas,
> 
> Thanks for bringing this discussion, we also think it's a useful feature.
> Some fine-grained timeout pattern matching  can be implemented in CEP which
> makes Flink CEP more powerful
> 
> Nicholas <programg...@163.com> 于2022年5月5日周四 14:28写道:
> 
> > Hi everyone,
> >
> >
> >
> >
> > Pattern#withIn interface in CEP defines the maximum time interval in which
> > a matching pattern has to be completed in order to be considered valid,
> > which interval corresponds to the maximum time gap between first and the
> > last event. The interval representing the maximum time gap between events
> > is required to define in the scenario like purchasing good within a maximum
> > of 5 minutes after browsing.
> >
> >
> >
> >
> > I would like to start a discussion about FLIP-228[1], in which within
> > between events is proposed in Pattern to support the definition of the
> > maximum time interval in which a completed partial matching pattern is
> > considered valid, which interval represents the maximum time gap between
> > events for partial matching Pattern.
> >
> >
> >
> >
> > Hence we propose the Pattern#partialWithin interface to define the maximum
> > time interval in which a completed partial matching pattern is considered
> > valid. Please take a look at the FLIP page [1] to get more details. Any
> > feedback about the FLIP-228 would be appreciated!
> >
> >
> >
> >
> > [1]
> > https://cwiki.apache.org/confluence/display/FLINK/FLIP-228%3A+Support+Within+between+events+in+CEP+Pattern
> >
> >
> >
> >
> > Best regards,
> >
> > Nicholas Jiang
> 

Reply via email to