io.crate.sql.tree

Class InputReference

java.lang.Object

io.crate.sql.tree.Node

io.crate.sql.tree.Expression

io.crate.sql.tree.InputReference

public class InputReference
extends Expression

A reference to an execution engine Input.

This is used to replace a QualifiedNameReference with a direct reference to the physical channel and field to avoid unnecessary lookups in a symbol -> input map during evaluation

Constructor Summary

Constructors

Constructor and Description
InputReference(Input input)

Method Summary

Modifier and Type	Method and Description
<R,C> R	accept(AstVisitor<R,C> visitor, C context)
boolean	equals(java.lang.Object o)
Input	getInput()
int	hashCode()

Methods inherited from class io.crate.sql.tree.Expression

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

InputReference

public InputReference(Input input)

Method Detail

getInput

public Input getInput()

accept

public <R,C> R accept(AstVisitor<R,C> visitor,
                      C context)

Overrides:

accept in class Expression

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in class Node

hashCode

public int hashCode()

Specified by:

hashCode in class Node