org.apache.drill.exec.physical.config

Class Sort

java.lang.Object

org.apache.drill.exec.physical.base.AbstractBase

org.apache.drill.exec.physical.base.AbstractSingle

org.apache.drill.exec.physical.config.Sort

All Implemented Interfaces:

Iterable<PhysicalOperator>, GraphValue<PhysicalOperator>, PhysicalOperator

Direct Known Subclasses:

ExternalSort, TopN

public class Sort
extends AbstractSingle

Field Summary

Fields

Modifier and Type	Field and Description
static String	OPERATOR_TYPE
protected List<Order.Ordering>	orderings
protected boolean	reverse

Fields inherited from class org.apache.drill.exec.physical.base.AbstractSingle

child

Fields inherited from class org.apache.drill.exec.physical.base.AbstractBase

INIT_ALLOCATION, initialAllocation, MAX_ALLOCATION, maxAllocation

Constructor Summary

Constructors

Constructor and Description
Sort(PhysicalOperator child, List<Order.Ordering> orderings, boolean reverse)

Method Summary

Modifier and Type	Method and Description
<T,X,E extends Throwable> T	accept(PhysicalVisitor<T,X,E> physicalVisitor, X value) Provides capability to build a set of output based on traversing a query graph tree.
protected PhysicalOperator	getNewWithChild(PhysicalOperator child)
String	getOperatorType()
List<Order.Ordering>	getOrderings()
boolean	getReverse()
BatchSchema.SelectionVectorMode	getSVMode() Describes the SelectionVector Mode for the output steam from this physical op.
String	toString()

Methods inherited from class org.apache.drill.exec.physical.base.AbstractSingle

getChild, getNewWithChildren, iterator

Methods inherited from class org.apache.drill.exec.physical.base.AbstractBase

accept, getCost, getInitialAllocation, getMaxAllocation, getOperatorId, getUserName, isBufferedOperator, isExecutable, setCost, setMaxAllocation, setOperatorId

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

OPERATOR_TYPE

public static final String OPERATOR_TYPE

See Also:

Constant Field Values

orderings

protected final List<Order.Ordering> orderings

reverse

protected boolean reverse

Constructor Detail

Sort

public Sort(PhysicalOperator child,
            List<Order.Ordering> orderings,
            boolean reverse)

Method Detail

getOrderings

public List<Order.Ordering> getOrderings()

getReverse

public boolean getReverse()

accept

public <T,X,E extends Throwable> T accept(PhysicalVisitor<T,X,E> physicalVisitor,
                                          X value)
                                   throws E extends Throwable

Description copied from interface: PhysicalOperator

Provides capability to build a set of output based on traversing a query graph tree.

Throws:

E extends Throwable

getNewWithChild

protected PhysicalOperator getNewWithChild(PhysicalOperator child)

Specified by:

getNewWithChild in class AbstractSingle

getSVMode

public BatchSchema.SelectionVectorMode getSVMode()

Description copied from interface: PhysicalOperator

Describes the SelectionVector Mode for the output steam from this physical op. This property is used during physical plan creating using PhysicalPlanCreator.

Specified by:

getSVMode in interface PhysicalOperator

Overrides:

getSVMode in class AbstractBase

getOperatorType

public String getOperatorType()

toString

public String toString()

Overrides:

toString in class Object