org.apache.drill.exec.physical.config

Class Limit

java.lang.Object

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

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

org.apache.drill.exec.physical.config.Limit

All Implemented Interfaces:

Iterable<PhysicalOperator>, GraphValue<PhysicalOperator>, PhysicalOperator

Direct Known Subclasses:

PartitionLimit

public class Limit
extends AbstractSingle

Field Summary

Fields

Modifier and Type	Field and Description
static String	OPERATOR_TYPE

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, userName

Constructor Summary

Constructors

Constructor and Description
Limit(PhysicalOperator child, Integer first, Integer last)

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.
Integer	getFirst()
Integer	getLast()
protected PhysicalOperator	getNewWithChild(PhysicalOperator child)
String	getOperatorType()
BatchSchema.SelectionVectorMode	getSVMode() Describes the SelectionVector Mode for the output steam from this physical op.

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, toString, 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

Constructor Detail

Limit

public Limit(PhysicalOperator child,
             Integer first,
             Integer last)

Method Detail

getFirst

public Integer getFirst()

getLast

public Integer getLast()

getNewWithChild

protected PhysicalOperator getNewWithChild(PhysicalOperator child)

Specified by:

getNewWithChild in class AbstractSingle

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

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()