org.apache.calcite.rex

Class RexVariable

java.lang.Object

org.apache.calcite.rex.RexNode

org.apache.calcite.rex.RexVariable

Direct Known Subclasses:

RexCorrelVariable, RexDynamicParam, RexSlot

public abstract class RexVariable
extends RexNode

A row-expression which references a field.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	name
protected RelDataType	type

Fields inherited from class org.apache.calcite.rex.RexNode

digest

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RexVariable(String name, RelDataType type)

Method Summary

Modifier and Type	Method and Description
String	getName() Returns the name of this variable.
RelDataType	getType()

Methods inherited from class org.apache.calcite.rex.RexNode

accept, accept, equals, getKind, hashCode, isA, isA, isAlwaysFalse, isAlwaysTrue, nodeCount, toString

Methods inherited from class java.lang.Object

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

Field Detail

name

protected final String name

type

protected final RelDataType type

Constructor Detail

RexVariable

protected RexVariable(String name,
                      RelDataType type)

Method Detail

getType

public RelDataType getType()

Specified by:

getType in class RexNode

getName

public String getName()

Returns the name of this variable.