ulysses you created SPARK-35137:
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             Summary: 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


Revise the outputPartitioning number in some `SparkPlan`

* UnionExec
* RowDataSourceScanExec
* LogicalRDD
* RDDScanExec
* ExternalRDDScanExec
* ExpandExec
* BroadcastNestedLoopJoinExec
* CoGroupExec

The mian change follow the logical
1. if rdd is known, using `rdd.partitions.length`
2. using `child.outputPartitioning.numPartitions`

 



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