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

Interface BinaryPhysicalOpForLogicalOp

All Superinterfaces:

BinaryPhysicalOp, PhysicalOperator, PhysicalOperatorForLogicalOperator

All Known Implementing Classes:

BaseForPhysicalOpBinaryJoin, PhysicalOpBinaryUnion, PhysicalOpHashJoin, PhysicalOpHashRJoin, PhysicalOpNaiveNestedLoopsJoin, PhysicalOpSymmetricHashJoin

public interface BinaryPhysicalOpForLogicalOp
extends PhysicalOperatorForLogicalOperator, BinaryPhysicalOp

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

Method Summary

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

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

createExecOp

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

getExpectedVariables, getID, visit

Method Details

getLogicalOperator

BinaryLogicalOp getLogicalOperator()

Description copied from interface: PhysicalOperatorForLogicalOperator

Returns the logical operator implemented by this physical operator.

Specified by:

getLogicalOperator in interface PhysicalOperatorForLogicalOperator