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Posted to issues@spark.apache.org by "Boyang Jerry Peng (Jira)" <ji...@apache.org> on 2022/06/24 20:56:00 UTC

[jira] [Created] (SPARK-39587) Schema Evolution for Stateful Pipelines in Structured Streaming

Boyang Jerry Peng created SPARK-39587:
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             Summary: Schema Evolution for Stateful Pipelines in Structured Streaming 
                 Key: SPARK-39587
                 URL: https://issues.apache.org/jira/browse/SPARK-39587
             Project: Spark
          Issue Type: Improvement
          Components: Structured Streaming
    Affects Versions: 3.3.0
            Reporter: Boyang Jerry Peng


Support for schema evolution of stateful operators is non-existent. There is no clear path to evolve the schema for existing built-in stateful operators.  For use defined stateful operators such as map/flatMapGroupsWithState, there is no path for evolving state as well.



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