RexSimplify.Comparison (Apache Calcite API)

java.lang.Object
- org.apache.calcite.rex.RexSimplify.Comparison

All Implemented Interfaces:

RexSimplify.Predicate

Enclosing class:

RexSimplify
```
private static class RexSimplify.Comparison
extends java.lang.Object
implements RexSimplify.Predicate
```
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 Description
  
  (package private) SqlKind kind
  
  (package private) RexLiteral literal
  
  (package private) RexNode ref
- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  private Comparison(RexNode ref, SqlKind kind, RexLiteral literal)
- Method Summary
  
  All Methods Static Methods Concrete Methods
  Modifier and Type Method 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.