[jira] [Updated] (FLINK-31017) Early-started partial match timeout not yield completed matches

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-31017?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-31017:
-----------------------------------
    Labels: pull-request-available  (was: )

> Early-started partial match timeout not yield completed matches
> ---------------------------------------------------------------
>
>                 Key: FLINK-31017
>                 URL: https://issues.apache.org/jira/browse/FLINK-31017
>             Project: Flink
>          Issue Type: Bug
>          Components: Library / CEP
>    Affects Versions: 1.17.0, 1.15.3, 1.16.1
>            Reporter: Juntao Hu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.18.0
>
>
> Pattern example:
> {code:java}
> Pattern.begin("A").where(startsWith("a")).oneOrMore().consecutive().greedy()
>     .followedBy("B")
>     .where(count("A") > 2 ? startsWith("b") : startsWith("c"))
>     .within(Time.seconds(3));{code}
> Sequence example, currently without any output:
> a1 a2 a3 a4 c1
> When match[a3, a4, c1] completes, partial match[a1, a2, a3, a4] is earlier, so NFA#processMatchesAccordingToSkipStrategy() won't give any result, which is the expected behavior. However, when partial match[a1, a2, a3, a4] is timed-out, completed match[a3, a4, c1] should be "freed" from NFAState to output.



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