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https://issues.apache.org/jira/browse/SPARK-58320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-58320:
-----------------------------------
Labels: pull-request-available (was: )
> Build SCD2 AutoCDC auxiliary table spec and materialization
> -----------------------------------------------------------
>
> Key: SPARK-58320
> URL: https://issues.apache.org/jira/browse/SPARK-58320
> Project: Spark
> Issue Type: Sub-task
> Components: Declarative Pipelines
> Affects Versions: 5.0.0
> Reporter: Andreas Neumann
> Priority: Major
> Labels: pull-request-available
>
> Implement buildScd2AuxiliaryTableSpecFor in AutoCdcAuxiliaryTable.scala
> (currently throws an internal error: 'SCD2 auxiliary table derivation is not
> yet implemented'). The SCD2 auxiliary table shape is keys + _cdc_metadata +
> the aux-only __spark_autocdc_deleted_by_batch_id column, which is richer than
> the SCD1 aux table. Confirm DatasetManager materializes and schema-evolves
> the SCD2 aux table correctly. Dormant until the switch-flip subtask, since no
> SCD2 flow can resolve before then. Sub-task of the SCD2 end-to-end enablement
> effort under SPARK-56249.
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