org.apache.calcite.rex

Class RexSimplify.Comparison

java.lang.Object

org.apache.calcite.rex.RexSimplify.Comparison

Enclosing class:

RexSimplify

private static class RexSimplify.Comparison
extends Object

Comparison between a RexInputRef or RexFieldAccess and a literal. Literal may be on left or right side, and may be null.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) SqlKind	kind
(package private) RexLiteral	literal
(package private) RexNode	ref

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Comparison(RexNode ref, SqlKind kind, RexLiteral literal)

Method Summary

Modifier and Type	Method and Description
(package private) static RexSimplify.Comparison	of(RexNode e) Creates a comparison, or returns null.

Methods inherited from class java.lang.Object

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

Field Detail

ref

final RexNode ref

kind

final SqlKind kind

literal

final RexLiteral literal

Constructor Detail

Comparison

private Comparison(RexNode ref,
                   SqlKind kind,
                   RexLiteral literal)

Method Detail

of

static RexSimplify.Comparison of(RexNode e)

Creates a comparison, or returns null.