Package se.liu.ida.hefquin.engine.queryplan.physical

Interface PhysicalOperatorForLogicalOperator

All Superinterfaces:

PhysicalOperator

All Known Subinterfaces:

BinaryPhysicalOpForLogicalOp, NaryPhysicalOpForLogicalOp, NullaryPhysicalOpForLogicalOp, UnaryPhysicalOpForLogicalOp

All Known Implementing Classes:

BaseForPhysicalOpBinaryJoin, BaseForPhysicalOpMultiwayJoin, BaseForPhysicalOpMultiwayLeftJoin, BaseForPhysicalOpSingleInputJoin, PhysicalOpBinaryUnion, PhysicalOpBindJoin, PhysicalOpBindJoinWithFILTER, PhysicalOpBindJoinWithUNION, PhysicalOpBindJoinWithVALUES, PhysicalOpFilter, PhysicalOpGlobalToLocal, PhysicalOpHashJoin, PhysicalOpHashRJoin, PhysicalOpIndexNestedLoopsJoin, PhysicalOpLocalToGlobal, PhysicalOpMultiwayUnion, PhysicalOpNaiveNestedLoopsJoin, PhysicalOpRequest, PhysicalOpSymmetricHashJoin

public interface PhysicalOperatorForLogicalOperator
extends PhysicalOperator

An interface for any type of PhysicalOperator that directly implements a particular logical operator. That logical operator can be accessed via the getLogicalOperator() function.

Method Summary

Modifier and Type	Method	Description
LogicalOperator	getLogicalOperator()	Returns the logical operator implemented by this physical operator.

Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.physical.PhysicalOperator

createExecOp, getExpectedVariables, getID, visit

Method Details

getLogicalOperator

LogicalOperator getLogicalOperator()

Returns the logical operator implemented by this physical operator.