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https://issues.apache.org/jira/browse/BEAM-7386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17547842#comment-17547842
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Kenneth Knowles commented on BEAM-7386:
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This issue has been migrated to https://github.com/apache/beam/issues/19553
> Add Utility BiTemporalStreamJoin
> --------------------------------
>
> Key: BEAM-7386
> URL: https://issues.apache.org/jira/browse/BEAM-7386
> Project: Beam
> Issue Type: Improvement
> Components: sdk-ideas
> Affects Versions: 2.12.0
> Reporter: Reza ardeshir rokni
> Priority: P3
> Time Spent: 20h 10m
> Remaining Estimate: 0h
>
> Add utility class that enables a temporal join between two streams where
> Stream A is matched to Stream B where
> A.timestamp = (max(b.timestamp) where b.timestamp <= a.timestamp)
> This will use the following overall flow:
> KV(key, Timestamped<V>)
> | Window
> | GBK
> | Statefull DoFn
>
>
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