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Posted to issues@flink.apache.org by "Leonard Xu (Jira)" <ji...@apache.org> on 2020/10/29 10:02:00 UTC

[jira] [Created] (FLINK-19881) Optimize temporal join with upsert-Source(upsert-kafka)

Leonard Xu created FLINK-19881:
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             Summary: Optimize temporal join with upsert-Source(upsert-kafka)
                 Key: FLINK-19881
                 URL: https://issues.apache.org/jira/browse/FLINK-19881
             Project: Flink
          Issue Type: Sub-task
            Reporter: Leonard Xu


Currently upsert-kafka will do normalize in a physical node named `ChangelogNormalize`, the normalization will do a deduplicate using state and produce `UPDATE_AFTER`, `DELETE` changelog. We do same thing In the state of temporal join operator,  we can merge them to one as an optimization  if the query contains temporal join an upsert-kafka.

 



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