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Posted to dev@flink.apache.org by "Timo Walther (Jira)" <ji...@apache.org> on 2021/10/13 12:21:00 UTC

[jira] [Created] (FLINK-24532) Invalid deletions for time-versioned join with ChangelogNormalize

Timo Walther created FLINK-24532:
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             Summary: Invalid deletions for time-versioned join with ChangelogNormalize
                 Key: FLINK-24532
                 URL: https://issues.apache.org/jira/browse/FLINK-24532
             Project: Flink
          Issue Type: Bug
          Components: Table SQL / Planner, Table SQL / Runtime
            Reporter: Timo Walther


ChangelogNormalize replaces a +D row with a -U row derived from the previous inserted row. This means that the rowtime column is reset to the insertion time. In this case, time-version joins produce an invalid result as a deletion is applied immediately instead of the original deletion timestamp.



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