Package org.apache.drill.exec.physical.base

Interface Summary

Interface	Description
DbGroupScan	A DbGroupScan operator represents the scan associated with a database.
DbSubScan
Exchange
FileGroupScan	FileGroupScan operator represents all data which will be scanned from FileSystem by a given physical plan.
FragmentLeaf	A Physical Operator that can be the leaf node of one particular execution fragment.
FragmentRoot	Describes the root operation within a particular Fragment.
GroupScan	A GroupScan operator represents all data which will be scanned by a given physical plan.
HasAffinity	Describes a physical operator that has affinity to particular nodes.
IndexGroupScan	An IndexGroupScan operator represents the scan associated with an Index.
LateralContract	Contract between Lateral Join and any operator on right side of it consuming the input from left side.
Leaf	Operator which specifically is a lowest level leaf node of a query plan across all possible fragments.
PhysicalOperator
PhysicalVisitor<RETURN,EXTRA,EXCEP extends Throwable>	Visitor class designed to traversal of a operator tree.
Receiver	A receiver is one half of an exchange operator.
Root	Marker interface describe the root of a query plan.
Scan
Sender	A sender is one half of an exchange node operations.
Store	An interface which supports storing a record stream.
SubScan	A SubScan operator represents the data scanned by a particular major/minor fragment.
Writer	Writer physical operator

Class Summary

Class	Description
AbstractBase
AbstractDbGroupScan
AbstractDbSubScan
AbstractExchange
AbstractFileGroupScan
AbstractGroupScan
AbstractGroupScanWithMetadata<P extends TableMetadataProvider>	Represents table group scan with metadata usage.
AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer<B extends AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer<B>>	This class is responsible for filtering different metadata levels.
AbstractJoinPop
AbstractMultiple	Describes an operator that expects more than one children operators as its input.
AbstractPhysicalVisitor<T,X,E extends Throwable>
AbstractReceiver
AbstractSender
AbstractSingle	Describes an operator that expects a single child operator as its input.
AbstractStore
AbstractSubScan
AbstractWriter
PhysicalOperatorUtil
ScanStats	Cost estimate for a scan.
SchemalessBatchCreator	The operator for creating SchemalessBatch instances
SchemalessScan	The type of scan operator, which allows to scan schemaless tables (DynamicDrillTable with null selection)

Enum Summary

Enum	Description
Exchange.ParallelizationDependency	Exchanges are fragment boundaries in physical operator tree.
ScanStats.GroupScanProperty