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https://issues.apache.org/jira/browse/SPARK-35137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17325003#comment-17325003
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Apache Spark commented on SPARK-35137:
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User 'ulysses-you' has created a pull request for this issue:
https://github.com/apache/spark/pull/32236
> Revise outputpartitioning number in some SparkPlan
> --------------------------------------------------
>
> Key: SPARK-35137
> URL: https://issues.apache.org/jira/browse/SPARK-35137
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: ulysses you
> Priority: Minor
>
> Revise the outputPartitioning number in some `SparkPlan`
> * UnionExec
> * RowDataSourceScanExec
> * LogicalRDD
> * RDDScanExec
> * ExternalRDDScanExec
> * LocalTableScanExec
> * ExpandExec
> * BroadcastNestedLoopJoinExec
> * CoGroupExec
> * DataSourceV2ScanExecBase
> The mian change follow the logical
> 1. if rdd is known, using `rdd.partitions.length`
> 2. using `child.outputPartitioning.numPartitions`
>
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