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Posted to issues@flink.apache.org by "xxntti3n (via GitHub)" <gi...@apache.org> on 2025/09/03 16:59:13 UTC

Re: [PR] [FLINK-37332] Support any column as chunk key column (postgres, orcale, db2, sqlserver) #3922 [flink-cdc]

xxntti3n commented on PR #3928:
URL: https://github.com/apache/flink-cdc/pull/3928#issuecomment-3250041929

   # PostgreSQL Incremental Snapshot Configuration Error
   
   ## Paraphrased Error Message
   When using an incremental snapshot on a PostgreSQL table that *does not have primary keys*
   This is my config:  
   `scan.incremental.snapshot.chunk.key-column=public.dag_run:updated_at`
   
   Otherwise, the job raise the error:
   
   > "To use incremental snapshot, 'scan.incremental.snapshot.chunk.key-column' must be set when the table doesn't have primary keys."
   
   
   


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