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Posted to issues@spark.apache.org by "Chao Sun (Jira)" <ji...@apache.org> on 2024/05/02 23:15:00 UTC

[jira] [Assigned] (SPARK-48065) SPJ: allowJoinKeysSubsetOfPartitionKeys is too strict

     [ https://issues.apache.org/jira/browse/SPARK-48065?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chao Sun reassigned SPARK-48065:
--------------------------------

    Assignee: Szehon Ho

> SPJ: allowJoinKeysSubsetOfPartitionKeys is too strict
> -----------------------------------------------------
>
>                 Key: SPARK-48065
>                 URL: https://issues.apache.org/jira/browse/SPARK-48065
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.4.3
>            Reporter: Szehon Ho
>            Assignee: Szehon Ho
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>
> If spark.sql.v2.bucketing.allowJoinKeysSubsetOfPartitionKeys.enabled is true, then SPJ no longer triggers if there are more join keys than partition keys.  It is triggered only if join keys is equal to , or less than, partition keys.
>  
> We can relax this constraint, as this case was supported if the flag is not enabled.



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