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https://issues.apache.org/jira/browse/FLINK-33227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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xiaoran updated FLINK-33227:
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Summary: Flink SQL CEP support 'notFollowedBy' semantics (was: Flink SQL
cep support 'notFollowedBy' semantics)
> Flink SQL CEP support 'notFollowedBy' semantics
> -----------------------------------------------
>
> Key: FLINK-33227
> URL: https://issues.apache.org/jira/browse/FLINK-33227
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / API
> Affects Versions: 1.16.0
> Reporter: xiaoran
> Priority: Major
>
> Currently, the cep mode of the Flink API can support next, notNext,
> followedBy, followedByAny, and notFollowedBy semantics, but Flink SQL only
> supports next semantics. The remaining notNext and followedBy semantics are
> implemented by other alternatives, while the notFollowedBy semantics are not
> currently implemented. At present, this semantics is generally implemented in
> business scenarios, such as judging that a user has placed an order within 15
> minutes without paying. Therefore, I suggest to provide new functionality to
> support notFollowedBy in sql mode, along with the other three semantics
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