org.apache.drill.exec.physical.config

Class WindowPOP

java.lang.Object

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

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

org.apache.drill.exec.physical.config.WindowPOP

All Implemented Interfaces:

Iterable<PhysicalOperator>, GraphValue<PhysicalOperator>, PhysicalOperator

public class WindowPOP
extends AbstractSingle

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WindowPOP.Bound

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

Constructor Summary

Constructors

Constructor and Description
WindowPOP(PhysicalOperator child, List<NamedExpression> withins, List<NamedExpression> aggregations, List<Order.Ordering> orderings, boolean frameUnitsRows, WindowPOP.Bound start, WindowPOP.Bound end)

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.
List<NamedExpression>	getAggregations()
WindowPOP.Bound	getEnd()
protected PhysicalOperator	getNewWithChild(PhysicalOperator child)
String	getOperatorType()
List<Order.Ordering>	getOrderings()
WindowPOP.Bound	getStart()
List<NamedExpression>	getWithins()
boolean	isFrameUnitsRows()
static WindowPOP.Bound	newBound(org.apache.calcite.rex.RexWindowBound windowBound)
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, getSVMode, 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

Constructor Detail

WindowPOP

public WindowPOP(PhysicalOperator child,
                 List<NamedExpression> withins,
                 List<NamedExpression> aggregations,
                 List<Order.Ordering> orderings,
                 boolean frameUnitsRows,
                 WindowPOP.Bound start,
                 WindowPOP.Bound end)

Method Detail

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

getOperatorType

public String getOperatorType()

getStart

public WindowPOP.Bound getStart()

getEnd

public WindowPOP.Bound getEnd()

getAggregations

public List<NamedExpression> getAggregations()

getWithins

public List<NamedExpression> getWithins()

getOrderings

public List<Order.Ordering> getOrderings()

isFrameUnitsRows

public boolean isFrameUnitsRows()

toString

public String toString()

Overrides:

toString in class Object

newBound

public static WindowPOP.Bound newBound(org.apache.calcite.rex.RexWindowBound windowBound)