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Posted to issues@spark.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/07/24 06:04:00 UTC

[jira] [Updated] (SPARK-58319) Derive SCD2 AutoCDC target table schema

     [ https://issues.apache.org/jira/browse/SPARK-58319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SPARK-58319:
-----------------------------------
    Labels: pull-request-available  (was: )

> Derive SCD2 AutoCDC target table schema
> ---------------------------------------
>
>                 Key: SPARK-58319
>                 URL: https://issues.apache.org/jira/browse/SPARK-58319
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Declarative Pipelines
>    Affects Versions: 5.0.0
>            Reporter: Andreas Neumann
>            Priority: Major
>              Labels: pull-request-available
>
> Implement the ScdType.Type2 branch of AutoCdcMergeFlow.schema (and load) in Flow.scala, appending the SCD2 framework columns (__START_AT, __END_AT, _cdc_metadata) to the user-selected schema, analogous to the existing SCD1 branch which appends only _cdc_metadata. This is additive and dormant: the AUTOCDC_SCD2_NOT_SUPPORTED flow-construction gate remains until the switch-flip subtask, so no SCD2 flow is constructible yet. Sub-task of the SCD2 end-to-end enablement effort under SPARK-56249.



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