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The Internals of Spark SQL

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The Internals of Spark SQL

spark-sql-internals

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Features
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- Adaptive Query Execution
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    Subexpression Elimination
    
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- SparkSession Registries
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    Catalog
    
    Catalog
    
    CatalogImpl
    
    CatalogStatistics
    
    CatalogUtils
  - ExperimentalMethods
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    ExternalCatalog
    
    ExternalCatalog
    
    InMemoryCatalog
    
    ExternalCatalogWithListener
  - FunctionRegistry
    FunctionRegistry
    
    FunctionRegistry
    
    FunctionRegistryBase
    
    SimpleFunctionRegistry
    
    SimpleFunctionRegistryBase
    
    SimpleTableFunctionRegistry
    
    TableFunctionRegistry
  - GlobalTempViewManager
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    SessionCatalog
    
    CatalogStorageFormat
    
    CatalogTable
    
    CatalogTablePartition
  - V2SessionCatalog
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    SessionState
    
    SessionState
    
    BaseSessionStateBuilder
    
    SessionStateBuilder
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    CacheManager
    
    CacheManager
  - RuntimeConfig
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- Catalyst
  Catalyst
- Encoder
  Encoder
- Catalyst Expressions
  Catalyst Expressions
  - AggregateExpression
  - AggregateFunction
  - AggregateWindowFunction
  - Aggregator
  - ArrayFilter
  - AttributeSeq
  - Attribute
  - BasePredicate
  - BinaryComparison
  - BinaryOperator
  - BloomFilterAggregate
  - BloomFilterMightContain
  - BoundReference
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  - CreateNamedStruct
  - CreateStruct
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  - DynamicPruningExpression
  - DynamicPruningSubquery
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  - EqualNullSafe
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  - ExecSubqueryExpression
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  - First
  - Generator
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  - HashPartitioning
  - Higher-Order Functions
    Higher-Order Functions
    
    HigherOrderFunction
    
    ArrayBasedSimpleHigherOrderFunction
    
    MapBasedSimpleHigherOrderFunction
    
    SimpleHigherOrderFunction
  - ImperativeAggregate
  - In
  - Inline
  - InSet
  - InSubqueryExec
  - InterpretedProjection
  - JsonToStructs
  - LessThanOrEqual
  - ListQuery
  - Literal
  - MonotonicallyIncreasingID
  - Murmur3Hash
  - MutableProjection
  - NamedExpression
  - Nondeterministic
  - OffsetWindowFunction
  - ParseToDate
  - ParseToTimestamp
  - PlanExpression
  - Predicate
  - Projection
  - RowOrdering
  - RuntimeReplaceable
  - ScalaAggregator
  - ScalarSubquery
  - ScalarSubquery (ExecSubqueryExpression)
  - ScalaUDF
  - SortOrder
  - SparkUserDefinedFunction
  - Stateful
  - StaticInvoke
  - SubqueryExpression
  - TimeWindow
  - TypedImperativeAggregate
  - UnaryExpression
  - Unevaluable
  - UnixTimestamp
  - UnresolvedAttribute
  - UnresolvedFunction
  - UnresolvedGenerator
  - UnresolvedOrdinal
  - UnresolvedStar
  - UnsafeProjection
  - UserDefinedAggregator
  - User-Defined Functions
    User-Defined Functions
    
    User-Defined Functions
    
    UserDefinedExpression
    
    UserDefinedFunction
    
    UDFs are Blackbox
  - UserDefinedAggregateFunction
  - WindowExpression
  - WindowFunction
  - WindowSpecDefinition
- Physical Operators
  Physical Operators
  - AdaptiveSparkPlanExec
  - AggregateCodegenSupport
  - AggregationIterators
    AggregationIterators
    
    AggregationIterator
    
    ObjectAggregationIterator
    
    ObjectAggregationMap
    
    SortBasedAggregationIterator
    
    TungstenAggregationIterator
  - AliasAwareOutputExpression
  - AliasAwareOutputOrdering
  - AliasAwareOutputPartitioning
  - AlterTableExec
  - AQEShuffleReadExec
  - AtomicTableWriteExec
  - BaseAggregateExec
  - BaseJoinExec
  - BaseSubqueryExec
  - BatchWriteHelper
  - BatchScanExec
  - BroadcastExchangeExec
  - BroadcastExchangeLike
  - BroadcastHashJoinExec
  - BroadcastNestedLoopJoinExec
  - BroadcastQueryStageExec
  - CoalesceExec
  - CollectLimitExec
  - CollectMetricsExec
  - ColumnarToRowExec
  - ColumnarToRowTransition
  - CreateTableAsSelectExec
  - CodegenSupport
  - DataSourceScanExec
  - DataSourceV2ScanExecBase
  - DataWritingCommandExec
  - DebugExec
  - DeleteFromTableExec
  - DescribeTableExec
  - DeserializeToObjectExec
  - DropNamespaceExec
  - EvalPythonExec
  - Exchange
  - ExecutedCommandExec
  - ExternalRDDScanExec
  - FileSourceScanExec
  - FilterExec
  - GenerateExec
  - HashAggregateExec
  - HashedRelation
  - HashJoin
  - InMemoryTableScanExec
  - InputAdapter
  - JoinCodegenSupport
  - LocalTableScanExec
  - LongHashedRelation
  - ObjectConsumerExec
  - ObjectHashAggregateExec
  - ObjectProducerExec
  - OverwriteByExpressionExec
  - ProjectExec
  - QueryStageExec
  - RangeExec
  - ReusedExchangeExec
  - ReusedSubqueryExec
  - RowDataSourceScanExec
  - RowToColumnarExec
  - SerializeFromObjectExec
  - SetCatalogAndNamespaceExec
  - ShowCreateTableExec
  - ShowTablesExec
  - ShowTablePropertiesExec
  - ShuffleExchangeExec
  - ShuffleExchangeLike
  - ShuffledHashJoinExec
  - ShuffledJoin
  - ShuffleOrigin
  - ShuffleQueryStageExec
  - SortAggregateExec
  - SortMergeJoinExec
    SortMergeJoinExec
    
    SortMergeJoinExec
    
    SortMergeJoinScanner
  - SortExec
  - SparkPlan
  - SubqueryExec
  - TableWriteExecHelper
  - TruncateTableExec
  - UnaryExecNode
  - V2CommandExec
  - V2ExistingTableWriteExec
  - V2TableWriteExec
  - WholeStageCodegenExec
  - WindowExec
    WindowExec
    
    WindowExec
  - WindowExecBase
  - Distribution and Partitioning
    Distribution and Partitioning
    
    Distribution
    
    Partitioning
    
    Distribution Specifications
    Distribution Specifications
    
    AllTuples
    
    BroadcastDistribution
    
    ClusteredDistribution
    
    HashClusteredDistribution
    
    OrderedDistribution
    
    UnspecifiedDistribution
    
    Broadcast Modes
    Broadcast Modes
    
    BroadcastMode
    
    HashedRelationBroadcastMode
    
    ShuffleSpec
- Logical Analysis Rules
  Logical Analysis Rules
- Logical Optimizations
  Logical Optimizations
- Execution Planning Strategies
  Execution Planning Strategies
- Physical Optimizations
  Physical Optimizations
- SQLExecution
- SQLMetric
- Tungsten Execution Backend
  Tungsten Execution Backend
- RDDs
  RDDs
  - FileScanRDD
SQL
SQL
Connectors
Connectors
- Avro
  Avro
- Console
  Console
  - ConsoleSinkProvider
- CSV
  CSV
  - CSVFileFormat
  - CSVScanBuilder
- File-Based
  File-Based
- Hive
  Hive
- JDBC
  JDBC
- JSON
  JSON
  - JsonFileFormat
  - JsonDataSource
- Kafka
  Kafka
- Noop
  Noop
- ORC
  ORC
  - OrcScanBuilder
  - OrcFileFormat
- Parquet
  Parquet
- Text
  Text
  - TextFileFormat
- BaseDynamicPartitionDataWriter
- BasicWriteTaskStatsTracker
- DataWritingSparkTask
- DataSourceV2Utils
- DynamicPartitionDataConcurrentWriter
- DynamicPartitionDataSingleWriter
- OutputWriter
- WriteTaskStatsTracker
High-Level APIs
High-Level APIs
- Basic Aggregation
  Basic Aggregation
  - KeyValueGroupedDataset
  - RelationalGroupedDataset
- ColumnarRule
- Dataset
- DataFrame
- DataFrameReader
- DataFrameWriter
- DataFrameWriterV2
- Encoders
- Observation
- QueryExecutionListener
- SparkSession
- SparkSession.Builder
- SparkSessionExtensions
- Standard Functions
  Standard Functions
- Window Functions
  Window Functions
Web UI
Web UI
Demo
Demo
Misc
Misc
- AggregatingAccumulator
- Bloom Filter
  Bloom Filter
  - BloomFilter
  - BloomFilterImpl
- PushDownUtils
- UnsafeExternalRowSorter
- BindReferences
- IntervalUtils
- ExplainUtils
- SerializerBuildHelper
- SQLExecutionRDD
- DataSourceRDD
- DataSourceRDDPartition
- Dataset, DataFrame and RDD
- Dataset and SQL
- Implicits
- Row
- Data Source API
  Data Source API
- Dataset API
  Dataset API
- Column
  Column
- Data Types
  Data Types
- Caching and Persistence
  Caching and Persistence
  - Caching and Persistence
  - User-Friendly Names of Cached Queries in web UI
- Checkpointing
- Performance Tuning and Debugging
  Performance Tuning and Debugging
- Spark Thrift Server
  Spark Thrift Server
  - HiveThriftServer2
  - SparkSQLEnv
- RDDConversions
- ShuffledRowRDD
- CheckAnalysis
- CatalystTypeConverters
- SubExprUtils
- PredicateHelper
- AggUtils
- ExtractEquiJoinKeys
- ExtractSingleColumnNullAwareAntiJoin
- ExtractJoinWithBuckets
- PhysicalAggregation
- PhysicalOperation
- KnownSizeEstimation
- CompressionCodecs
- JoinStrategyHint

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Logical Operators

RowLevelWrite Logical Operators¶

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