Package org.apache.drill.exec.physical.config

Class Filter

java.lang.Object

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

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

org.apache.drill.exec.physical.config.Filter

All Implemented Interfaces:

Iterable<PhysicalOperator>, GraphValue<PhysicalOperator>, PhysicalOperator

public class Filter
extends AbstractSingle

Field Summary

Fields

Modifier and Type	Field	Description
static final 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	Description
Filter(PhysicalOperator child, LogicalExpression expr, float selectivity)

Method Summary

Modifier and Type	Method	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.
LogicalExpression	getExpr()
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 Details

OPERATOR_TYPE

public static final String OPERATOR_TYPE

See Also:

• Constant Field Values

Constructor Details

Filter

public Filter(PhysicalOperator child,
 LogicalExpression expr,
 float selectivity)

Method Details

getExpr

public LogicalExpression getExpr()

accept

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

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()