[jira] [Created] (FLINK-6197) Add support for iterative conditions.

[Shang Yuanchun (Jira)]

Kostas Kloudas created FLINK-6197:
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             Summary: Add support for iterative conditions.
                 Key: FLINK-6197
                 URL: https://issues.apache.org/jira/browse/FLINK-6197
             Project: Flink
          Issue Type: Bug
          Components: CEP
    Affects Versions: 1.3.0
            Reporter: Kostas Kloudas
            Assignee: Kostas Kloudas
             Fix For: 1.3.0


So far, the {{where}} clause only supported simple {{FilterFunction}} conditions.

With this, we want to add support for conditions where the an event is accepted not only based on its own properties, e.g. name, as it was before, but also based on some statistic computed over previously accepted events in the pattern, e.g. if the price is higher than the average of the prices of the previously accepted events.

This in combination with the recently added quantifiers will allow for a lot more expressive patterns.



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