org.apache.drill.common.logical.data

Class Project

java.lang.Object

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

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

org.apache.drill.common.logical.data.Project

All Implemented Interfaces:

Iterable<LogicalOperator>, GraphValue<LogicalOperator>, LogicalOperator

public class Project
extends SingleInputOperator

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Project.Builder

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

LogicalOperator.NodeBuilder<T extends LogicalOperator>

Constructor Summary

Constructors

Constructor and Description
Project(List<NamedExpression> selections)

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 Project.Builder	builder()
List<NamedExpression>	getSelections()

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

getInput, iterator, 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 Detail

Project

public Project(List<NamedExpression> selections)

Method Detail

getSelections

public List<NamedExpression> getSelections()

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

builder

public static Project.Builder builder()