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https://issues.apache.org/jira/browse/SPARK-47289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan reassigned SPARK-47289:
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Assignee: Parth Chandra
> Allow extensions to log extended information in explain plan
> ------------------------------------------------------------
>
> Key: SPARK-47289
> URL: https://issues.apache.org/jira/browse/SPARK-47289
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Parth Chandra
> Assignee: Parth Chandra
> Priority: Major
> Labels: pull-request-available
>
> With session extensions, Spark planning can be extended to apply additional
> rules and modify the execution plan. If an extension replaces a node in the
> plan, the new node will be displayed in the plan. However, it is sometimes
> useful for extensions provided extended information to the end user to
> explain the impact of the extension. For instance an extension may
> automatically enable/disable some feature that it provides and can provide
> this extended information in the plan.
> The proposal is to optionally turn on extended plan information from
> extensions. Extensions can add additional planning information via a new
> interface that internally uses a new TreeNodeTag, say 'explainPlan'.
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