org.apache.drill.common.logical.data

Class Order

java.lang.Object

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

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

org.apache.drill.common.logical.data.Order

All Implemented Interfaces:

Iterable<LogicalOperator>, GraphValue<LogicalOperator>, LogicalOperator

public class Order
extends SingleInputOperator

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Order.Builder
static class	Order.Ordering Representation of a SQL <sort specification>.

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

LogicalOperator.NodeBuilder<T extends LogicalOperator>

Constructor Summary

Constructors

Constructor and Description
Order(FieldReference within, List<Order.Ordering> orderings)

Method Summary

Modifier and Type	Method and 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.
static Order.Builder	builder()
List<Order.Ordering>	getOrderings()
FieldReference	getWithin()
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, getMemo, hashCode, nodeBuilder, registerAsSubscriber, setMemo, setupAndValidate, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

Order

public Order(FieldReference within,
             List<Order.Ordering> orderings)

Method Detail

getOrderings

public List<Order.Ordering> getOrderings()

getWithin

public FieldReference getWithin()

accept

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

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

builder

public static Order.Builder builder()