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https://issues.apache.org/jira/browse/FLINK-6197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15944785#comment-15944785
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ASF GitHub Bot commented on FLINK-6197:
---------------------------------------
Github user kl0u commented on a diff in the pull request:
https://github.com/apache/flink/pull/3624#discussion_r108365413
--- Diff:
flink-libraries/flink-cep-scala/src/main/scala/org/apache/flink/cep/scala/pattern/Pattern.scala
---
@@ -138,7 +139,7 @@ class Pattern[T , F <: T](jPattern: JPattern[T, F]) {
* @param filter Or filter function
* @return The same pattern operator where the new filter condition is
set
*/
- def or(filter: FilterFunction[F]): Pattern[T, F] = {
+ def or(filter: IterativeCondition[F]): Pattern[T, F] = {
--- End diff --
Fixing this
> 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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