Package org.apache.drill.common.logical.data

Class Window

java.lang.Object

org.apache.drill.common.logical.data.LogicalOperatorBase

org.apache.drill.common.logical.data.SingleInputOperator

org.apache.drill.common.logical.data.Window

All Implemented Interfaces:

Iterable<LogicalOperator>, GraphValue<LogicalOperator>, LogicalOperator

public class Window
extends SingleInputOperator

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Window.Builder

Nested classes/interfaces inherited from interface org.apache.drill.common.logical.data.LogicalOperator

LogicalOperator.NodeBuilder<T extends LogicalOperator>

Constructor Summary

Constructors

Constructor	Description
Window(List<NamedExpression> withins, List<NamedExpression> aggregations, List<Order.Ordering> orderings, Long start, Long end)

Method Summary

Modifier and Type	Method	Description
<T, X, E extends Throwable> T	accept(LogicalVisitor<T,X,E> logicalVisitor, X value)	Provides capability to build a set of output based on traversing a query graph tree.
List<NamedExpression>	getAggregations()
long	getEnd()
List<Order.Ordering>	getOrderings()
long	getStart()
List<NamedExpression>	getWithins()
Iterator<LogicalOperator>	iterator()

Methods inherited from class org.apache.drill.common.logical.data.SingleInputOperator

getInput, setInput

Methods inherited from class org.apache.drill.common.logical.data.LogicalOperatorBase

accept, equals, getMemo, hashCode, nodeBuilder, registerAsSubscriber, setMemo, setupAndValidate, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

Window

public Window(List<NamedExpression> withins,
 List<NamedExpression> aggregations,
 List<Order.Ordering> orderings,
 Long start,
 Long end)

Method Details

getWithins

public List<NamedExpression> getWithins()

getStart

public long getStart()

getEnd

public long getEnd()

getAggregations

public List<NamedExpression> getAggregations()

getOrderings

public List<Order.Ordering> getOrderings()

accept

public <T,
X,
E extends Throwable> T accept(LogicalVisitor<T,X,E> logicalVisitor,
 X value)
                                   throws E

Description copied from interface: LogicalOperator

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

Returns:

Throws:

E extends Throwable

iterator

public Iterator<LogicalOperator> iterator()

Specified by:

iterator in interface Iterable<LogicalOperator>

Overrides:

iterator in class SingleInputOperator