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

["Juntao Hu (Jira)" <ji...@apache.org>]

Juntao Hu created FLINK-31017:
---------------------------------

             Summary: 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: 1.16.1, 1.15.3, 1.17.0
            Reporter: Juntao Hu
             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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