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Posted to issues@spark.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/09/29 13:32:00 UTC

[jira] [Updated] (SPARK-59861) Propagate trusted DataSource V2 primary keys as Catalyst distinct keys

     [ https://issues.apache.org/jira/browse/SPARK-59861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SPARK-59861:
-----------------------------------
    Labels: pull-request-available  (was: )

>  Propagate trusted DataSource V2 primary keys as Catalyst distinct keys 
> ------------------------------------------------------------------------
>
>                 Key: SPARK-59861
>                 URL: https://issues.apache.org/jira/browse/SPARK-59861
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 4.4.0
>            Reporter: Hemanth Boyina
>            Priority: Major
>              Labels: pull-request-available
>
> Data Source V2 tables can expose primary-key constraints through Table.constraints(). However, DataSourceV2Relation and DataSourceV2ScanRelation do not currently expose trusted primary keys through Catalyst's distinctKeys.
>  
>  As a result, existing optimizer rules cannot use DSv2 primary-key metadata to eliminate redundant duplicate-removal operations.
>  



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