[jira] [Created] (FLINK-15980) The notFollowedBy in the end of GroupPattern may be ignored

[Shang Yuanchun (Jira)]

shuai.xu created FLINK-15980:
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             Summary: The notFollowedBy in the end of GroupPattern may be ignored
                 Key: FLINK-15980
                 URL: https://issues.apache.org/jira/browse/FLINK-15980
             Project: Flink
          Issue Type: Bug
          Components: Library / CEP
    Affects Versions: 1.9.0
            Reporter: shuai.xu


If we write a Pattern like this:
Pattern group = Pattern.begin('A').notFollowedBy("B");
Pattern pattern = Pattern.begin(group).followedBy("C");
Let notFollowedBy as the last part of a GroupPattern.

This pattern can be compile normally, but the notFollowedBy("B") doesn't work in fact.



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