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https://issues.apache.org/jira/browse/SPARK-35881?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Graves updated SPARK-35881:
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Fix Version/s: 3.2.0
> [SQL] AQE does not support columnar execution for the final query stage
> -----------------------------------------------------------------------
>
> Key: SPARK-35881
> URL: https://issues.apache.org/jira/browse/SPARK-35881
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.3, 3.1.2, 3.2.0
> Reporter: Andy Grove
> Assignee: Andy Grove
> Priority: Major
> Fix For: 3.2.0, 3.3.0
>
>
> In AdaptiveSparkPlanExec, a query is broken down into stages and these stages
> are executed until the entire query has been executed. These stages can be
> row-based or columnar. However, the final stage, produced by the private
> getFinalPhysicalPlan method is always assumed to be row-based. The only way
> to execute the final stage is by calling the various doExecute methods on
> AdaptiveSparkPlanExec, and doExecuteColumnar is not implemented. The
> supportsColumnar method also always returns false.
> In the RAPIDS Accelerator for Apache Spark, we currently call the private
> getFinalPhysicalPlan method using reflection and then determine if that plan
> is columnar or not, and then call the appropriate doExecute method, bypassing
> the doExecute methods on AdaptiveSparkPlanExec. We would like a supported
> mechanism for executing a columnar AQE plan so that we do not need to use
> reflection.
>
>
>
>
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