Package 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	Description
protected final String	name
protected final RelDataType	type

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

digest

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	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 Details

name

protected final String name

type

protected final RelDataType type

Constructor Details

RexVariable

protected RexVariable(String name,
 RelDataType type)

Method Details

getType

public RelDataType getType()

Specified by:

getType in class RexNode

getName

public String getName()

Returns the name of this variable.