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 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

Methods

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)
int	getOperatorType()
List<Order.Ordering>	getOrderings()
WindowPOP.Bound	getStart()
List<NamedExpression>	getWithins()
boolean	isFrameUnitsRows()
static WindowPOP.Bound	newBound(org.apache.calcite.rex.RexWindowBound windowBound)

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, toString, wait, wait, wait

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.

Returns:

Throws:

E extends Throwable

getOperatorType

public int 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()

newBound

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