[ https://issues.apache.org/jira/browse/FLINK-6927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16069902#comment-16069902 ]
ASF GitHub Bot commented on FLINK-6927: --------------------------------------- Github user dawidwys commented on a diff in the pull request: https://github.com/apache/flink/pull/4153#discussion_r124994181 --- Diff: flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFAStateNameHandler.java --- @@ -55,6 +55,11 @@ public void checkNameUniqueness(String name) { if (usedNames.contains(name)) { throw new MalformedPatternException("Duplicate pattern name: " + name + ". Names must be unique."); } + usedNames.add(name); + } + --- End diff -- javadoc missing > Support pattern group in CEP > ---------------------------- > > Key: FLINK-6927 > URL: https://issues.apache.org/jira/browse/FLINK-6927 > Project: Flink > Issue Type: Sub-task > Components: CEP > Reporter: Dian Fu > Assignee: Dian Fu > > We should add support for pattern group. This would enrich the set of > supported patterns. For example, users can write patterns like this with this > feature available: > {code} > A --> (B --> C.times(3)).optional() --> D > {code} > or > {code} > A --> (B --> C).times(3) --> D > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)