Package io.substrait.relation

Class Project

java.lang.Object

io.substrait.relation.AbstractRel

io.substrait.relation.SingleInputRel

io.substrait.relation.Project

All Implemented Interfaces:

HasExtension, Rel

Direct Known Subclasses:

ImmutableProject

@Immutable
public abstract class Project
extends SingleInputRel
implements HasExtension

Nested Class Summary

Nested classes/interfaces inherited from interface io.substrait.relation.Rel

Rel.Remap

Constructor Summary

Constructors

Constructor	Description
Project()

Method Summary

Modifier and Type	Method	Description
<O, C extends VisitationContext, E extends Exception> O	accept(RelVisitor<O,C,E> visitor, C context)
static ImmutableProject.Builder	builder()
Type.Struct	deriveRecordType()
abstract List<Expression>	getExpressions()

Methods inherited from class io.substrait.relation.SingleInputRel

getInput, getInputs

Methods inherited from class io.substrait.relation.AbstractRel

getRecordType

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.substrait.relation.HasExtension

getExtension

Methods inherited from interface io.substrait.relation.Rel

getCommonExtension, getHint, getRemap

Constructor Details

Project

public Project()

Method Details

getExpressions

public abstract List<Expression> getExpressions()

deriveRecordType

public Type.Struct deriveRecordType()

Specified by:

deriveRecordType in class AbstractRel

accept

public <O,
C extends VisitationContext,
E extends Exception>
O accept(RelVisitor<O,C,E> visitor,
 C context)
  throws E

Specified by:

accept in interface Rel

Throws:

E extends Exception

builder

public static ImmutableProject.Builder builder()