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Posted to issues@flink.apache.org by "zhijiang (Jira)" <ji...@apache.org> on 2020/02/11 03:05:00 UTC

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

     [ https://issues.apache.org/jira/browse/FLINK-15980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

zhijiang reassigned FLINK-15980:
--------------------------------

    Assignee: shuai.xu

> 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
>            Assignee: shuai.xu
>            Priority: Major
>
> 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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