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The Internals of Spark SQL

ReusedExchangeExec

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The Internals of Spark SQL

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  - ProjectExec
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  - RowDataSourceScanExec
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  - SampleExec
  - SerializeFromObjectExec Unary Physical Operator
  - SetCatalogAndNamespaceExec
  - ShowCurrentNamespaceExec
  - ShowTablesExec
  - ShowTablePropertiesExec
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  - ShuffleExchangeLike
  - ShuffledHashJoinExec
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    WindowExec Unary Physical Operator
    
    AggregateProcessor
    
    WindowFunctionFrame
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  - WriteToDataSourceV2Exec Physical Operator
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New & Noteworthy
New & Noteworthy
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    AQEOptimizer
    
    DemoteBroadcastHashJoin
    
    EliminateJoinToEmptyRelation
  - Physical Optimizations
    Physical Optimizations
    
    CoalesceShufflePartitions
    
    CustomShuffleReaderRule
    
    OptimizeSkewedJoin
    
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    ReuseAdaptiveSubquery
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    Subexpression Elimination In Code-Generated Expression Evaluation (Common Expression Reuse)
    
    EquivalentExpressions
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High-Level APIs
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Misc
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ReusedExchangeExec Leaf Physical Operator¶

ReusedExchangeExec is a SparkPlan.md#LeafExecNode[leaf physical operator] that...FIXME

Last update: 2020-07-29

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