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Posted to issues@flink.apache.org by "Caizhi Weng (Jira)" <ji...@apache.org> on 2023/03/14 02:52:00 UTC

[jira] [Created] (FLINK-31430) Support migrating states between different instances of TableWriteImpl and AbstractFileStoreWrite

Caizhi Weng created FLINK-31430:
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             Summary: Support migrating states between different instances of TableWriteImpl and AbstractFileStoreWrite
                 Key: FLINK-31430
                 URL: https://issues.apache.org/jira/browse/FLINK-31430
             Project: Flink
          Issue Type: Sub-task
          Components: Table Store
    Affects Versions: table-store-0.4.0
            Reporter: Caizhi Weng
            Assignee: Caizhi Weng
             Fix For: table-store-0.4.0


Currently {{Table}} and {{TableWrite}} in Flink Table Store have a fixed schema. However to consume schema changes, Flink Table Store CDC sinks should have the ability to change its schema during a streaming job.

This require us to pause and store the states of a {{TableWrite}}, then create a {{TableWrite}} with newer schema and recover the states in the new {{TableWrite}}.



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