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Posted to dev@flink.apache.org by "Florian Schmidt (JIRA)" <ji...@apache.org> on 2018/01/22 15:53:00 UTC

[jira] [Created] (FLINK-8478) Add support for time-bounded joins in DataStream API

Florian Schmidt created FLINK-8478:
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             Summary: Add support for time-bounded joins in DataStream API
                 Key: FLINK-8478
                 URL: https://issues.apache.org/jira/browse/FLINK-8478
             Project: Flink
          Issue Type: New Feature
          Components: DataStream API, Java API, Scala API
            Reporter: Florian Schmidt


The goal is to implement a DataStream API to join together two streams based on a key and user defined time boundaries. 

This feature should mirror what is already possible in Flink SQL:
{code:java}
SELECT s1.value, s2.value FROM Table s1 JOIN Table s2 ON o.key = s.key AND o.rowtime BETWEEN s.rowtime AND s.rowtime + INTERVAL '1' HOUR;
{code}



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