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

Interface Summary

Interface	Description
Exchange
FileGroupScan
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.
Leaf	An 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
AbstractExchange
AbstractFileGroupScan
AbstractGroupScan
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

Enum Summary

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